The Chord Electronics Alto is a professional-grade headphone and speaker amplifier that integrates over 35 years of British amplifier innovation. It features ULTIMA technology, versatile connectivity options, and the capability to drive both high-end headphones and compact loudspeakers with unmatched transparency and precision.

Design and Versatility

The Alto is a meticulously engineered amplifier designed to meet the demands of audio professionals and enthusiasts alike. It delivers uncompromising performance with the ability to drive up to four pairs of headphones and smaller loudspeakers, making it an essential tool for critical listening, A/B comparisons, and collaborative audio work. This amplifier introduces a 4.4 mm Pentaconn TRRRS output (pseudo-balanced), which aligns with the growing trend for balanced transmission in premium headphone systems. Its compact form, slightly larger than A5, ensures seamless integration into desktop setups, living spaces, and dedicated hi-fi systems, offering both power and portability.

Advanced Technology for Precision Audio

At the heart of the Alto lies Chord Electronics’ ULTIMA amplifier topology, which incorporates dual-feed-forward error-correction technology. This advanced design continuously monitors and corrects signals before the output stage, ensuring low distortion, exceptional speed, and remarkable clarity. For loudspeakers, the Alto provides 25 watts into 8 ohms (or 50 watts into 4 ohms), delivering the sonic fidelity expected of Chord Electronics. Stereo banana plug outputs on the rear panel accommodate a wide range of speaker connections, except for the largest plugs, offering professional-grade audio output for nearfield monitoring and compact loudspeaker systems.

Comprehensive Connectivity

The Alto features an array of inputs and outputs to cater to diverse professional needs. Input options include a set of XLR inputs for balanced connections and RCA inputs for unbalanced sources. It provides four front-mounted headphone connections on the output side: one 3.5 mm jack, two 6.35 mm (1/4-inch) jacks, and a single 4.4 mm Pentaconn jack. These outputs allow simultaneous listening and facilitate easy comparison of different headphones. Additionally, the amplifier offers a pair of rear-mounted banana sockets for loudspeakers, XLR outputs for volume control or signal passthrough, and a 12V DC jack for integration with other audio components.

The Chord Electronics Alto combines compact design, cutting-edge technology, and versatile connectivity to deliver unparalleled audio performance for professional applications. Whether used for high-fidelity headphone amplification or driving nearfield monitors, the Alto sets a new standard for precision and reliability in professional audio systems.