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Chord Alto
Chord Alto
Alto by Chord Electronics – a reference-class amplifier for headphones and speakers, built in the UK with ULTIMA technology.
Chord Electronics Alto – Reference-Class Amplification
We are proud to offer the Alto by Chord Electronics – a professional-grade amplifier for both headphones and speakers, built in the UK and backed by over 35 years of amplifier design experience.
At the heart of the Alto is Chord’s proprietary ULTIMA technology, delivering extreme transparency, lightning-fast signal handling, and ultra-low distortion. Whether you're mastering, mixing, or performing critical listening, Alto offers absolute control over your audio signal.
One of the Alto’s key strengths is its flexibility. It functions equally well as a headphone amplifier and as a monitor amplifier for loudspeakers, making it an excellent all-in-one solution for high-end studio environments or professional audio setups.
As expected from Chord Electronics, the build quality is outstanding. Every Alto unit is hand-assembled in the UK using premium components and engineered to last.
If you're seeking a no-compromise amplifier that combines high-performance design with practical versatility, Alto sets a new standard in professional audio.
Technical Specifications
| Output Power (Speakers) | 50 W into 4 Ω |
|---|---|
| Output Power (Headphones) | 2250 mW into 100 Ω |
| THD (Speakers) | 0.003 % into 4 Ω |
| THD (Headphones) | 0.001 % into 100 Ω |
| Signal-to-Noise Ratio | 120 dB |
| Frequency Response | 6 Hz – 60 kHz |
| Input Max Voltage | 6 V RMS |
| Crosstalk | -95 dB |
| Output Max Voltage | 15 V RMS into 8 Ω |
| Operating Voltage | 80–250 V AC (auto-switching) |
| Dimensions | 215 × 200 × 57 mm (L×W×H) |
| Net Weight | 1946 g |
Alto by Chord Electronics – a reference-class amplifier for headphones and speakers, built in the UK with ULTIMA technology.