Solidsteel HY-4 Four-Shelf Hi-Fi & AV Rack | Audio T
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Solidsteel HY-4 Four-Shelf Hi-Fi & AV Rack

Solidsteel HY-4 Four-Shelf Hi-Fi & AV Rack

Audio T Verdict

The Solidsteel HY-4 is the most substantial standard-width rack in the current HY range, giving a complete four-box hi-fi or AV system its own dedicated equipment levels without moving into the considerably wider HY-L format.

The standard layout is thoughtfully divided too. A generous 285mm equipment interval provides room for larger amplification, while two further 185mm spaces suit source components, preamplifiers, DACs, phono stages and power supplies. The completely open top remains available for a turntable or equipment needing unrestricted space above it.

Construction is considerably more substantial than conventional furniture. Three enclosed equipment levels and the open upper platform are supported by Solidsteel's full 39mm stainless-steel INOX structure, with rubber O-rings, adjustable spikes and the company's Hyperspike architecture forming the mechanical interfaces throughout the rack.

The HY-4 also gives large electronics useful room front-to-back. At approximately 500mm deep with around 508mm of usable internal width and a 70kg capacity per shelf, it is particularly well suited to serious separates systems containing sizeable amplification and substantial source components.

Check Which Component Needs the 285mm Space

The standard HY-4 has one approximately 285mm equipment interval and two approximately 185mm intervals. Larger amplifiers should normally use the more generous opening unless their ventilation requirements make the unrestricted top platform more appropriate.

Solidsteel HY-4 Four-Shelf Hi-Fi & AV Rack

The Solidsteel HY-4 is the four-level standard-width rack in Solidsteel's current HY Series of high-end audio and AV furniture.

Designed for complete separates systems, it provides four individual equipment platforms within a relatively conventional 600mm-wide footprint, while its 500mm depth gives substantial amplification and larger AV electronics more room than many conventional hi-fi racks.

The HY Series combines 30mm lacquered MDF equipment platforms with Solidsteel's four-pillar stainless-steel Hyperspike structure, rubber interfaces and adjustable floor spikes.

  • Four-level high-end hi-fi and AV rack
  • Current Solidsteel HY Series
  • Standard-width four-shelf configuration
  • Four-pillar Hyperspike architecture
  • Full stainless-steel INOX frame
  • 39mm-diameter structural frame
  • Four 30mm MDF equipment platforms
  • Black lacquered shelf finish
  • Approximately 600mm overall width
  • Approximately 875mm overall height
  • Approximately 500mm overall depth
  • Approximately 508mm usable internal equipment width
  • Approximately 285mm largest equipment clearance
  • Two approximately 185mm secondary equipment clearances
  • 70kg maximum load per shelf
  • Approximately 155lb capacity per shelf
  • Approximately 60kg rack weight
  • Rubber O-rings within the structure
  • Adjustable stainless-steel floor spikes
  • Stainless-steel protective floor discs included
  • Completely open rear for cable access
  • Open-sided construction for ventilation
  • Modular construction
  • Custom configuration kits available
  • Black finish
  • Made in Italy

Four Equipment Levels for a Complete Separates System

Four individual platforms provide enough room for a broad range of traditional and modern systems without requiring components to be stacked directly on top of one another.

Typical combinations could include:

  • Turntable, streamer, CD player and integrated amplifier
  • Turntable, phono stage, preamplifier and power amplifier
  • Network transport, DAC, preamplifier and power amplifier
  • Turntable, streamer, external power supply and integrated amplifier
  • AV processor, disc player, media source and power amplifier
  • Streamer, CD player, DAC and integrated amplifier

Each major component receives its own equipment platform, improving ventilation and making the system considerably easier to access and cable.

Why Avoid Stacking Hi-Fi Components?

Stacking electronics can appear convenient, but it can introduce several unnecessary compromises.

  • Restricted airflow
  • Heat transfer between components
  • Extra weight on the lower chassis
  • Harder access to controls
  • Difficult rear cable access
  • Direct mechanical interaction between equipment cases

The HY-4 provides enough individual levels for many systems to avoid stacking altogether.

One 285mm Equipment Interval

The largest enclosed space in the standard HY-4 provides approximately 285mm of vertical clearance.

This can suit larger equipment such as:

  • Integrated amplifiers
  • Power amplifiers
  • AV receivers
  • Large network amplifiers
  • Substantial external power supplies
  • Some Class A amplifiers
  • Some valve amplifiers

Use the Tallest Interval Where It Matters Most

The mixed-height layout allows the rack to devote more vertical room to the component that actually needs it instead of wasting the same tall gap around every source component.

Two 185mm Equipment Intervals

The remaining enclosed levels provide approximately 185mm of vertical clearance each.

These are particularly suitable for conventional-height source and control components, including:

  • Network streamers
  • CD and SACD players
  • Digital transports
  • DACs
  • Preamplifiers
  • Phono stages
  • Headphone amplifiers
  • External power supplies

185mm Can Be Restrictive for Amplification

Some integrated amplifiers may physically fit within a 185mm opening, but this does not automatically leave enough room for heat to escape. Always check the amplifier manufacturer's recommended ventilation clearance.

The Open Upper Platform

The uppermost equipment shelf has no platform above it and therefore provides unrestricted vertical space.

This makes it particularly useful for:

  • Turntables
  • Valve amplifiers
  • Class A amplifiers
  • Very tall integrated amplifiers
  • Large power amplifiers
  • Equipment exceeding the enclosed clearances

The correct system layout should follow component dimensions, ventilation and ease of operation rather than a fixed rule about which product belongs on each level.

Ideal for Turntable-Based Systems

Four levels provide plenty of scope for a developed vinyl system.

One possible arrangement might be:

  • Top: turntable
  • Upper enclosed level: phono stage or preamplifier
  • Middle level: streamer, CD player or power supply
  • Large 285mm interval: integrated or power amplifier

The actual arrangement should always follow the requirements of the individual components.

Turntables and Suspended Floors

The HY-4 provides a substantial and accurately levelled top platform, but severe footfall on a flexible suspended floor can still reach a turntable through the furniture. A suitably installed turntable wall shelf may remain preferable where floor movement is a significant problem.

Useful for Modern Streaming Systems

The HY-4 is equally useful with digital systems where several specialist components remain separate.

For example:

  • Network transport
  • DAC
  • Preamplifier
  • Power amplifier

External power supplies can also quickly increase the number of boxes in a high-end digital system, making a four-level rack more useful than it may initially appear.

Approximately 508mm Usable Equipment Width

The rack measures approximately 600mm wide overall, while the four structural pillars leave around 508mm of usable internal width.

This is sufficient for the majority of conventional full-width hi-fi equipment, including components based around 430mm to 450mm-wide chassis.

Use the Internal Width for Compatibility

The overall 600mm furniture width is not the space available to a component sitting between the pillars. Particularly wide electronics should be checked against the approximately 508mm usable internal dimension.

500mm Rack Depth

The HY-4 provides approximately 500mm of front-to-back equipment depth.

This is significantly more generous than many conventional hi-fi racks and is particularly useful with:

  • Large integrated amplifiers
  • Power amplifiers
  • AV receivers
  • AV processors
  • Substantial external power supplies
  • Deep high-end source components

Allow for Rear Connections

Component depth usually describes the equipment chassis rather than the space required once cables are connected.

Additional room may be required for:

  • IEC mains connectors
  • Large mains cables
  • RCA interconnects
  • XLR connectors
  • Speaker binding posts
  • Banana plugs and spades
  • HDMI cables
  • Ethernet cables
  • USB connections

Check Installed Depth, Not Just Chassis Depth

A component approaching 500mm deep may still require considerably more space once its rear connections are fitted. Leave enough room behind the rack for cables to exit naturally without sharp bends or excessive strain on sockets.

Completely Open Rear

The HY-4 has no rear furniture panel.

This is especially useful in a four-box system because it provides:

  • Easy access to every component
  • Flexible mains-cable routing
  • Space for large speaker connections
  • Room for XLR and RCA connectors
  • Fewer restrictions on HDMI and network cables
  • Improved airflow
  • Easier future equipment changes

70kg Capacity Per Equipment Shelf

Solidsteel currently rates each HY equipment platform for a maximum load of 70kg.

That is approximately 155lb per shelf.

This provides ample capacity for the vast majority of domestic turntables, source components, integrated amplifiers and power amplifiers.

Check More Than the Weight

A component weighing only 30kg may still be unsuitable if it is too wide, too deep or cannot be ventilated safely. Load capacity, dimensions, equipment feet, cooling and cable requirements should always be considered together.

30mm MDF Equipment Platforms

The current HY Series uses substantial 30mm MDF equipment shelves.

MDF provides a consistent engineered structure without the continuous natural grain found in solid timber.

The platforms use a lacquered finish rather than polymer laminate or genuine wood veneer.

Black Lacquered Finish

The current HY Series is available in Black.

The lacquered equipment platforms contrast with the exposed stainless-steel supporting structure and give the rack an understated appearance despite its substantial construction.

Customers looking for White or real-wood-veneer options should consider alternative Solidsteel ranges.

Full Stainless-Steel INOX Frame

The HY uses stainless steel throughout its principal supporting structure rather than the aluminium uprights found in Solidsteel's S Series.

Current HY construction includes stainless steel for:

  • The 39mm main structural frame
  • Upper terminations
  • Lower terminations
  • Structural screws
  • Adjustable floor spikes
  • Protective floor discs

This substantial construction contributes to the HY-4's approximately 60kg unladen weight.

39mm Four-Pillar Construction

Four stainless-steel pillars support each equipment level.

The structure provides rigidity without introducing large side or rear furniture panels, leaving the equipment accessible and well ventilated.

The standard HY models use this structure within a 600mm overall width, while the HY-L models space the pillars further apart to accommodate unusually wide components.

Solidsteel Hyperspike Architecture

The HY Series forms part of Solidsteel's established Hyperspike family.

Rather than treating the rack as a simple collection of shelves and furniture legs, the design uses rigid structural sections and defined mechanical contact points between its components.

Rubber O-rings are also incorporated at selected interfaces.

What Is Hyperspike?

Hyperspike is Solidsteel's approach to specialist equipment support using rigid metal structures, defined mechanical interfaces and adjustable pointed floor contacts. Its practical purpose is to create a stable and accurately levelled foundation for audio and AV equipment.

Rubber O-Ring Interfaces

Rubber O-rings are incorporated into the HY structure at selected contact points.

These introduce a compliant material between otherwise rigid structural elements and form part of Solidsteel's approach to managing mechanical interaction within the rack.

Can a Hi-Fi Rack Improve Sound?

The audible effect of changing equipment furniture depends on the system, floor, room and support being replaced.

Turntables and other mechanically sensitive components can be particularly dependent on the surface supporting them, while some solid-state electronics may show much smaller differences.

The HY-4 provides practical benefits regardless:

  • Individual support for each component
  • Accurate levelling
  • Open ventilation
  • Generous equipment depth
  • Easy rear cable access
  • High load capacity
  • Reduced need to stack electronics
  • Defined mechanical interfaces

Any audible difference should be assessed within the complete system rather than treated as a guaranteed result.

More About Hi-Fi Furniture

Matt from Audio T Cardiff explored equipment support, vibration and acoustic feedback after changing the furniture beneath his own system. Read Rack 'em up! - Dispelling the Myth Around Hi-Fi Furniture for a practical look at the subject.

Adjustable Stainless-Steel Floor Spikes

The HY-4 uses individually adjustable stainless-steel spikes at floor level.

These allow small variations in the underlying floor to be compensated for so the complete four-level structure can sit securely without rocking.

Accurate levelling is particularly worthwhile when a turntable occupies the top platform.

Protective Floor Discs Included

Matching stainless-steel floor-protection discs are included for use beneath the pointed spikes.

They should be used on vulnerable surfaces including:

  • Wooden flooring
  • Laminate
  • Tile
  • Stone
  • Other finished hard floors

Remember the Total Loaded Weight

The HY-4 weighs approximately 60kg before any equipment is installed. Add four substantial components and the complete installation can become extremely heavy. Check that the floor is suitable and position the rack before fully loading it wherever practical.

Modular Construction

The HY Series is modular rather than being limited to fixed pre-built furniture.

Solidsteel offers two, three and four-level standard racks, wider Large versions, dedicated amplifier stands and Custom Kits.

The manufacturer also states that shelf spacing can be customised as system requirements change.

Custom Spacing Can Be Useful

If one component needs substantially more or less room than the standard 285 / 185 / 185mm configuration provides, ask Audio T about the available HY configuration options before ordering.

HY-3 or HY-4?

HY-3

  • 3 equipment levels
  • Approximately 660mm overall height
  • 285mm / 185mm standard clearances
  • Approximately 42kg rack weight
  • 70kg capacity per shelf
  • Lower and more compact

HY-4

  • 4 equipment levels
  • Approximately 875mm overall height
  • 285mm / 185mm / 185mm standard clearances
  • Approximately 60kg rack weight
  • 70kg capacity per shelf
  • Additional full equipment platform

When Is the HY-3 Enough?

A three-level HY rack is likely to make more sense if the system genuinely consists of three major components and no additional boxes are planned.

The shorter rack keeps the system visually lower and reduces both furniture weight and overall height.

When Does the HY-4 Make More Sense?

The HY-4 becomes particularly useful when a fourth component is already present or realistically likely to be added.

That extra level could accommodate:

  • A separate phono stage
  • An external DAC
  • A network streamer
  • A CD player
  • An external power supply
  • A headphone amplifier

HY-4 or HY-4L?

HY-4

  • Approximately 600mm overall width
  • Approximately 508mm usable internal width
  • 500mm depth
  • 285mm / 185mm / 185mm clearances
  • Approximately 60kg rack weight
  • 70kg current shelf rating
  • More space-efficient footprint

HY-4L

  • Approximately 780mm overall width
  • Approximately 688mm usable internal width
  • 500mm depth
  • 285mm / 185mm / 185mm clearances
  • Approximately 67kg established rack weight
  • 70kg current shelf rating
  • Designed for unusually wide equipment

Do You Need the Large HY Version?

The HY-4L is useful when individual components genuinely need more than approximately 508mm of internal width.

If every component follows a conventional 430mm to 450mm chassis format, the standard HY-4 normally makes considerably more efficient use of room space while providing the same standard vertical clearances and current shelf-load rating.

HY-4 or S4-4?

HY-4

  • Approximately 600mm overall width
  • One approximately 508mm equipment area per level
  • 500mm depth
  • 285mm / 185mm / 185mm standard clearances
  • Full stainless-steel Hyperspike frame
  • 70kg current shelf capacity

S4-4

  • Approximately 1114mm overall width
  • Two conventional equipment areas per level
  • 430mm depth
  • 245mm / 225mm / 225mm standard clearances
  • StratoCell-damped aluminium structure
  • 110kg current shelf capacity

Single-Bay or Twin-Bay Equipment Layout?

The Solidsteel S4-4 is a fundamentally different format rather than simply a bigger HY-4.

The S4 is designed around two side-by-side equipment areas across each level and is therefore useful where several conventional-width components need to be arranged horizontally.

The HY-4 retains a conventional single-component-per-level layout but provides more front-to-back depth and moves to Solidsteel's full stainless-steel Hyperspike construction.

HY-4 or HF-4?

HY-4

  • Approximately 600mm overall width
  • Approximately 508mm usable width
  • 500mm depth
  • 285mm / 185mm / 185mm clearances
  • 70kg current shelf rating
  • Black lacquered finish
  • More compact overall footprint

HF-4

  • Approximately 645mm overall width
  • Approximately 535mm usable width
  • 561mm depth
  • 305mm / 205mm / 205mm clearances
  • 80kg current shelf rating
  • Flat Black, Gloss Black or Gloss White
  • More generous overall equipment space

The Solidsteel HF-4 is larger, deeper and more accommodating, with greater standard clearances and a higher shelf-load rating.

The HY-4 is the more compact interpretation of Solidsteel's stainless-steel Hyperspike approach and can make more sense where the additional HF dimensions are unnecessary.

HY-4 or S5-4?

HY-4

  • Full stainless-steel four-pillar structure
  • 30mm lacquered MDF shelves
  • 500mm depth
  • 285mm / 185mm / 185mm standard clearances
  • 70kg current shelf rating
  • Hyperspike architecture

S5-4

  • Advanced two-level decoupled platforms
  • StratoCell-damped aluminium supports
  • 430mm depth
  • 305mm / 205mm / 205mm standard clearances
  • 55kg current shelf rating
  • Greater emphasis on shelf-level decoupling

The Solidsteel S5-4 uses a more sophisticated two-level decoupled equipment-platform design and provides greater standard vertical clearance.

The HY-4 counters with a heavier all-stainless-steel structure, greater depth and a higher current shelf-load rating.

Made in Italy

Solidsteel has manufactured specialist hi-fi and AV furniture in Italy since 1990.

The HY Series combines the company's metalworking background with its long-established Hyperspike equipment-support architecture and modular rack design.

Who Is the Solidsteel HY-4 For?

  • Four-component hi-fi systems
  • Complete turntable-based separates systems
  • Streamer, DAC, preamplifier and power-amplifier systems
  • Systems containing separate phono stages or power supplies
  • Large integrated amplifiers
  • Substantial power amplifiers
  • AV processors and receivers
  • Conventional full-width hi-fi electronics
  • Deep components requiring up to approximately 500mm of rack depth
  • Components weighing up to 70kg per level
  • Customers wanting a full stainless-steel rack structure
  • Systems requiring open rear cable access
  • Customers wanting specialist Italian-made furniture

Who Is It Not For?

  • Systems where two or three levels are sufficient
  • Components exceeding the current 70kg shelf rating
  • Equipment wider than approximately 508mm within the structure
  • Components requiring more than approximately 500mm rack depth
  • Amplifiers that cannot be ventilated safely within the chosen interval
  • Oversized equipment requiring the wider HY-L format
  • Customers wanting White or wood-effect furniture
  • Systems better suited to a twin-bay AV rack

Key Features

  • Solidsteel HY-4
  • Four-shelf hi-fi and AV rack
  • Current HY Series
  • Standard-width format
  • Hyperspike architecture
  • Made in Italy
  • Four equipment platforms
  • Full stainless-steel INOX frame
  • 39mm-diameter structure
  • Four-pillar construction
  • 30mm MDF equipment shelves
  • Black lacquered finish
  • Approximately 600mm overall width
  • Approximately 875mm overall height
  • Approximately 500mm overall depth
  • Approximately 508mm usable internal width
  • Approximately 285mm main equipment clearance
  • Two approximately 185mm secondary clearances
  • 70kg maximum load per shelf
  • Approximately 155lb shelf capacity
  • Approximately 60kg rack weight
  • Rubber O-rings
  • Defined mechanical interfaces
  • Adjustable stainless-steel floor spikes
  • Protective stainless-steel floor discs included
  • Completely open rear
  • Open ventilation
  • Modular construction
  • Custom configuration kits available
  • Black finish

Frequently Asked Questions

What is the Solidsteel HY-4?

The Solidsteel HY-4 is a four-level high-end hi-fi and AV equipment rack using a full stainless-steel four-pillar Hyperspike structure and 30mm lacquered MDF platforms.

How many shelves does the Solidsteel HY-4 have?

The HY-4 has four equipment platforms, creating three enclosed equipment spaces plus an unrestricted upper level.

What are the dimensions of the Solidsteel HY-4?

The established HY-4 dimensions are approximately 600mm wide, 875mm high and 500mm deep.

How much usable equipment width does the HY-4 provide?

Approximately 508mm of clear internal width is available between the supporting pillars.

What are the shelf clearances on the Solidsteel HY-4?

The standard HY-4 provides approximately 285mm, 185mm and 185mm of vertical equipment clearance.

How much weight can each Solidsteel HY-4 shelf support?

Solidsteel's current HY specification gives a maximum load of 70kg per shelf, approximately 155lb.

How much does the Solidsteel HY-4 weigh?

The established model-specific specification gives an approximate unladen rack weight of 60kg.

How thick are the Solidsteel HY-4 shelves?

The current HY Series uses approximately 30mm-thick MDF equipment platforms with a lacquered finish.

What is the Solidsteel HY-4 frame made from?

The HY Series uses a full stainless-steel INOX structure with approximately 39mm-diameter main frame components.

What is Solidsteel Hyperspike?

Hyperspike is Solidsteel's equipment-support architecture using rigid metal structures, defined mechanical interfaces and adjustable pointed floor contacts to provide a stable and accurately levelled equipment foundation.

Is the Solidsteel HY-4 suitable for a turntable?

Yes. The open upper platform provides a practical position for a turntable and the adjustable floor spikes allow the complete rack to be levelled accurately.

Will a full-width amplifier fit in the HY-4?

Most conventional 430mm to 450mm-wide amplifiers should fit within the approximately 508mm internal width. Depth, total weight and ventilation requirements also need checking.

Can an integrated amplifier be used on the Solidsteel HY-4?

Yes, provided its dimensions, weight and ventilation requirements suit the chosen equipment level. The 285mm interval is normally the most accommodating enclosed position.

Can a power amplifier be used on the HY-4?

Yes. The 70kg shelf capacity and 500mm rack depth suit many substantial power amplifiers, subject to physical dimensions and cooling requirements.

Can a Class A amplifier be used on the Solidsteel HY-4?

Potentially. Class A amplifiers can run very warm, so the manufacturer's cooling requirements should be checked carefully. The unrestricted upper platform may be preferable where the 285mm enclosed space does not provide sufficient ventilation.

Can a valve amplifier be used on the Solidsteel HY-4?

Yes where its size and weight are compatible. Valve amplifiers requiring generous free space above their valves and transformers are generally better positioned on the open top.

Is the HY-4 suitable for AV receivers?

Yes, provided the receiver fits within the available width and depth, remains below the 70kg shelf rating and receives the ventilation recommended by its manufacturer.

Is the Solidsteel HY-4 suitable for deep equipment?

The rack provides approximately 500mm of equipment depth, making it more accommodating than many conventional hi-fi racks. Rear cables and connectors still require additional space.

Does the Solidsteel HY-4 have an open back?

Yes. The rear is completely open, making connections easier to reach and allowing flexible cable routing and airflow.

Does the Solidsteel HY-4 help manage vibration?

The HY Series uses a rigid stainless-steel structure, Hyperspike mechanical interfaces and rubber O-rings as part of its equipment-support design. Any audible effect depends on the component, floor and room rather than being guaranteed.

Does a specialist hi-fi rack improve sound quality?

The audible effect varies between systems. Mechanically sensitive equipment such as turntables can be particularly dependent on its supporting furniture, while individual equipment support, ventilation, levelling and cable access are useful practical benefits in any system.

Are the Solidsteel HY-4 spikes adjustable?

Yes. Each stainless-steel floor spike can be adjusted individually to help level the rack accurately.

Does the Solidsteel HY-4 include floor protectors?

Yes. Stainless-steel protective floor discs are included for use underneath the pointed spikes.

Can the Solidsteel HY-4 be used on wooden floors?

Yes. Use the supplied protective floor discs beneath the spikes on timber, laminate and other finished surfaces that could otherwise be marked.

Is the Solidsteel HY Series modular?

Yes. The current range includes standard and Large two, three and four-level racks, dedicated amplifier stands and Custom Kits.

Can the Solidsteel HY-4 shelf spacing be changed?

Yes. Solidsteel lists Custom Kits for the HY Series and states that shelf spacing can be customised to suit different equipment requirements.

What is the difference between the Solidsteel HY-3 and HY-4?

The HY-3 has three equipment levels with approximately 285mm and 185mm clearances. The HY-4 adds a fourth platform and another approximately 185mm equipment interval.

What is the difference between the Solidsteel HY-4 and HY-4L?

Both use four equipment levels, 500mm depth and the same 285 / 185 / 185mm standard spacing. The HY-4 provides approximately 508mm of internal width, while the wider HY-4L increases this to around 688mm.

Does the HY-4L support more weight than the HY-4?

No. Solidsteel's current specification rates both standard and Large HY racks at 70kg per shelf. Older HY-L information may quote higher figures.

What is the difference between the HY-4 and Solidsteel S4-4?

The HY-4 provides one approximately 508mm-wide equipment area per level within a full stainless-steel Hyperspike structure. The S4-4 is much wider and designed around two conventional equipment areas for side-by-side components.

What is the difference between the Solidsteel HY-4 and HF-4?

The HF-4 is wider and deeper, provides greater standard vertical clearance and currently carries 80kg per shelf. The HY-4 is more compact while retaining Solidsteel's stainless-steel Hyperspike construction.

What is the difference between the Solidsteel HY-4 and S5-4?

The HY-4 uses a full stainless-steel four-pillar Hyperspike frame and provides 500mm depth with a 70kg shelf rating. The S5-4 uses advanced two-level decoupled equipment platforms, StratoCell-damped aluminium supports and a current 55kg shelf rating.

What finish is available for the Solidsteel HY-4?

The current HY Series is offered in Black with lacquered MDF equipment platforms.

Is the Solidsteel HY-4 made from real wood?

No. The equipment platforms use engineered MDF with a lacquered finish rather than solid timber or genuine wood veneer.

Where is the Solidsteel HY-4 made?

Solidsteel manufactures specialist hi-fi and AV furniture in Italy.

Does the Solidsteel HY-4 require assembly?

Yes. The modular structure requires assembly and should be positioned and accurately levelled before particularly heavy equipment is installed.

Related Solidsteel Products and Audio T Guides

Why Buy the Solidsteel HY-4 From Audio T?

With four equipment levels and mixed shelf heights, getting the layout right is as important as choosing the rack itself. Amplifier ventilation, component width and depth, turntable positioning, support-foot locations and rear cable clearance can all determine which component belongs on which level.

Audio T can help check your equipment against the HY-4, compare it with the wider HY-L format and establish whether another Solidsteel rack would suit the dimensions and future direction of your system better.

  • Friendly specialist hi-fi and home cinema advice
  • Component dimension and weight checks
  • Amplifier ventilation guidance
  • Turntable placement advice
  • Four-level system-planning guidance
  • Standard and Large HY comparisons
  • HY, S4, S5 and HF Series comparisons
  • Custom shelf-spacing guidance
  • Spike and levelling assistance
  • Hard-floor protection advice
  • Rear cable-clearance guidance
  • Ongoing after-sales support

Contact your local Audio T store with your equipment details if you would like help checking whether the Solidsteel HY-4 is the right rack for your system.

General

  • Product: Solidsteel HY-4 Four-Shelf Hi-Fi & AV Rack
  • Series: HY Series
  • Current manufacturer size: 4 Shelves
  • Product type: Four-Level Hi-Fi / AV Equipment Rack
  • Number of equipment levels: 4
  • Construction: Four-Pillar Hyperspike Architecture
  • Country of manufacture: Italy

Dimensions and Weight

  • Overall width: Approximately 600mm
  • Overall height: Approximately 875mm
  • Overall depth: Approximately 500mm
  • Approximate imperial dimensions: 23.6 x 34.4 x 19.7 Inches (W x H x D)
  • Rack weight: Approximately 60kg / 132.3lb

Equipment Space

  • Approximate usable internal width: 508mm
  • Largest standard vertical clearance: Approximately 285mm
  • Second standard vertical clearance: Approximately 185mm
  • Third standard vertical clearance: Approximately 185mm
  • Equipment depth: Approximately 500mm
  • Approximate usable width: 20 Inches
  • Approximate vertical clearances: 11.2 / 7.3 / 7.3 Inches
  • Approximate depth: 19.7 Inches

Shelves

  • Number of equipment shelves: 4
  • Shelf material: Ennobled MDF
  • Shelf thickness: Approximately 30mm
  • Shelf finish: Lacquered
  • Colour: Black
  • Current maximum load per shelf: 70kg
  • Approximate imperial load: 155lb per Shelf
  • Genuine wood veneer: No

Frame

  • Main structure: Full Stainless Steel INOX
  • Main frame diameter: Approximately 39mm
  • Frame configuration: Four Pillars
  • Upper terminations: Stainless Steel
  • Lower terminations: Stainless Steel
  • Structural screws: Stainless Steel
  • Mechanical interfaces: Hyperspike Architecture
  • Damping interfaces: Rubber O-Rings

Floor Interface

  • Floor spikes: Adjustable Stainless Steel
  • Levelling: Individually Adjustable
  • Protective floor discs: Stainless Steel / Included
  • Hard-floor use: Use Supplied Protective Discs

Modular Configuration

  • Modular construction: Yes
  • Standard HY-4 clearances: Approximately 285mm / 185mm / 185mm
  • Custom Kits: Available Within the HY Series
  • Alternative shelf spacing: Supported Within the Modular HY System
  • Wide equivalent: HY-4L

Current HY Rack Family

  • HY-2: 2 Levels / Standard 600mm-Wide Format
  • HY-3: 3 Levels / Standard 600mm-Wide Format
  • HY-4: 4 Levels / Standard 600mm-Wide Format
  • HY-2L: 2 Levels / Large 780mm-Wide Format
  • HY-3L: 3 Levels / Large 780mm-Wide Format
  • HY-4L: 4 Levels / Large 780mm-Wide Format
  • HY-2 / HY-2L standard clearance: Approximately 285mm
  • HY-3 / HY-3L standard clearances: Approximately 285mm / 185mm
  • HY-4 / HY-4L standard clearances: Approximately 285mm / 185mm / 185mm
  • Current manufacturer load rating: 70kg per Shelf
  • Current finish: Black

HY-3 and HY-4 Comparison

  • HY-3 equipment levels: 3
  • HY-3 overall height: Approximately 660mm
  • HY-3 standard clearances: Approximately 285mm / 185mm
  • HY-3 weight: Approximately 42kg
  • HY-4 equipment levels: 4
  • HY-4 overall height: Approximately 875mm
  • HY-4 standard clearances: Approximately 285mm / 185mm / 185mm
  • HY-4 weight: Approximately 60kg
  • Current maximum load: 70kg per Shelf for Both Models
  • Primary HY-3 advantage: Lower Overall Profile
  • Primary HY-4 advantage: Additional Equipment Platform

HY-4 and HY-4L Comparison

  • HY-4 overall width: Approximately 600mm
  • HY-4 usable internal width: Approximately 508mm
  • HY-4 depth: Approximately 500mm
  • HY-4 standard clearances: Approximately 285mm / 185mm / 185mm
  • HY-4 weight: Approximately 60kg
  • HY-4L overall width: Approximately 780mm
  • HY-4L usable internal width: Approximately 688mm
  • HY-4L depth: Approximately 500mm
  • HY-4L standard clearances: Approximately 285mm / 185mm / 185mm
  • HY-4L established weight: Approximately 67kg
  • Current maximum load: 70kg per Shelf for Both Models
  • Primary HY-4 advantage: More Compact Overall Width
  • Primary HY-4L advantage: Approximately 180mm Greater Internal Equipment Width

HY-4 and S4-4 Comparison

  • HY-4 overall width: Approximately 600mm
  • HY-4 usable internal width: Approximately 508mm
  • HY-4 depth: Approximately 500mm
  • HY-4 standard clearances: Approximately 285mm / 185mm / 185mm
  • HY-4 current shelf load: 70kg
  • S4-4 overall width: Approximately 1114mm
  • S4-4 layout: Twin Conventional Equipment Bays
  • S4-4 depth: Approximately 430mm
  • S4-4 standard clearances: Approximately 245mm / 225mm / 225mm
  • S4-4 current shelf load: 110kg
  • Primary HY-4 advantage: More Compact Width, Greater Depth and Stainless-Steel Hyperspike Structure
  • Primary S4-4 advantage: Twin-Bay Layout and Higher Shelf Capacity

HY-4 and HF-4 Comparison

  • HY-4 overall width: Approximately 600mm
  • HY-4 usable width: Approximately 508mm
  • HY-4 depth: Approximately 500mm
  • HY-4 standard clearances: Approximately 285mm / 185mm / 185mm
  • HY-4 current shelf load: 70kg
  • HF-4 overall width: Approximately 645mm
  • HF-4 usable width: Approximately 535mm
  • HF-4 depth: Approximately 561mm
  • HF-4 standard clearances: Approximately 305mm / 205mm / 205mm
  • HF-4 current shelf load: 80kg
  • Primary HY-4 advantage: More Compact Overall Footprint
  • Primary HF-4 advantage: Greater Equipment Space, Higher Load Capacity and More Finish Choices

HY-4 and S5-4 Comparison

  • HY-4 frame: Full Stainless-Steel Four-Pillar Hyperspike Structure
  • HY-4 depth: Approximately 500mm
  • HY-4 standard clearances: Approximately 285mm / 185mm / 185mm
  • HY-4 current shelf load: 70kg
  • S5-4 structure: Two-Level Decoupled Equipment Platforms with Damped Aluminium Supports
  • S5-4 depth: Approximately 430mm
  • S5-4 standard clearances: Approximately 305mm / 205mm / 205mm
  • S5-4 current shelf load: 55kg
  • Primary HY-4 advantage: Greater Depth and Higher Current Load Capacity
  • Primary S5-4 advantage: Advanced Shelf-Level Decoupling and Greater Standard Vertical Clearance

Finish

  • Black: Current HY Series Finish
  • Shelf surface: Lacquered MDF
  • Genuine wood veneer: No

Recommended Applications

  • Turntables: Yes
  • Integrated amplifiers: Yes, Subject to Dimensions and Ventilation
  • Power amplifiers: Yes, Subject to Dimensions, Weight and Ventilation
  • Class A amplifiers: Open Top Recommended Where Additional Ventilation Is Required
  • Valve amplifiers: Open Top Recommended Where Additional Ventilation Is Required
  • Network streamers: Yes
  • CD / SACD players: Yes
  • Digital transports: Yes
  • DACs: Yes
  • Preamplifiers: Yes
  • Phono stages: Yes
  • Headphone amplifiers: Yes
  • External power supplies: Yes
  • AV processors: Yes, Subject to Dimensions
  • AV receivers: Yes, Subject to Dimensions and Ventilation

Installation Notes

  • Assembly required: Yes
  • Levelling: Via Adjustable Stainless-Steel Spikes
  • Hard-floor protection: Stainless-Steel Protective Discs Included
  • Internal equipment width: Check Against Approximately 508mm
  • Component ventilation: Follow Equipment Manufacturer Requirements
  • Rear cable clearance: Allow Additional Space Beyond the Chassis Where Required
  • Maximum current load: Do Not Exceed 70kg per Shelf
  • Positioning: Assemble, Position and Level Before Fully Loading Where Practical