conrad-johnson HVA-1 headphone amplifier

The name ‘conrad-johnson’ is no stranger to traditional audiophiles, but the HVA-1 is the brand’s first venture into the personal audio world. It’s clearly a product derived from the high-end audio line, with styling cues and circuit design alike hailing from the brand’s decades of high-performance audio. The HVA-1 is a bare-bones design, simply putting its money where it matters; in the design, execution, and build of a very good circuit. It’s a valve design, with 6922 double- triodes for each channel, coupled to a high-current FET buffer stage/source follower that delivers a healthy 3W of pure single-ended Class A …