Cayin HA-3A Accessories a two-stage design using EF86

a two-stage design using EF86 pentode input valves that were themselves found in the finest recording equipment of that era

The hard maple housing maintains firm bass foundation without excess coloration

Chord Ultima 2 mono power amplifier (single unit)

namely the RCA 5U4G tube

Cayin HA-3A Accessories a two-stage design using EF86The Cayin HA 3A is a compact transformer coupled, balanced driven vacuum tube headphone amplifier, the fourth and final piece of Cayin's transformer coupled tube amplifier lineup, bridging the gap between the HA 1A MK2 and the HA 6A. Built with the same design principles and hand wiring standards as the HA 6A and HA 300 MK3, the HA 3A packages genuine transformer coupled tube amplification into a desktop form factor roughly the size of a sheet of A4