Chord Electronics Alto Headphone Amp | Chord Electronics | Audio T
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Chord Electronics Alto Headphone Amp

Chord Electronics Alto Headphone Amp

The Alto is a compact powerhouse that defies its stature. At the heart of the Alto lies our world-class ULTIMA topology. This sophisticated dual-feed-forward error-correction technology monitors and refines the audio signal in real-time, eliminating distortion. The result is a breathtakingly transparent, lifelike performance with all the hallmarks of our larger ULTIMA amplifiers.

The Alto is designed to be the versatile centrepiece of many a modern hi-fi se-up. Featuring four front-mounted outputs, including a 4.4 mm for the latest high-end headphones, the Alto is ideal whether you are conducting an A/B comparison of your favourite pairs or enjoying a late-night or personal listening session.

For loudspeakers, the Alto provides 50 W of pure ULTIMA power (4 ohms). It brings incredible speed and clarity to speakers, making it the ideal partner for a luxury desktop or bedroom system.

The Alto’s elegant, compact footprint, barely larger than an A5 sheet, allows it to integrate seamlessly into any environment. From dedicated hi-fi racks to desktops and more, its understated British design and premium rear-panel banana plug terminals ensure it looks as refined as it sounds.


Dimensions 200 mm (W) x 44.45 mm (H) x 215 mm (D)

Frequency response 6 Hz-60 kHz

Output power (Speakers) 50 W into 4 O

Output power (Headphones) 2250 mW into 100 O

Signal-to-noise ratio 119.6 dB

THD (Speakers) 0.003 % into 4 O

THD (Headphones) 0.001 % into 100 O

Input maximum voltage 6 V RMS

Output maximum voltage 15 V RMS

Operation voltage 80-250 V AC auto-switching

Crosstalk -95 dB

  15.5 kg