A Tube Amplifier for the Dedicated Headphone User
Discover the full-bodied, musical, and indulgent sound of the Cayin Audio HA-3A Tube Headphone Amplifier. Featuring three headphone outputs, the HA-3A is compatible with a range of headphones, from planar magnetics to high-sensitivity earphones and IEMs.
First-Class Engineering Plus Refined Styling
Decades of audio equipment manufacturing along with carefully selected performance-based components went into the development of the HA-3A tube amp. Implementing the circuit design with a high level of transparency and refinement improves overall efficiency and conductivity. The entire circuitry is hand wired by skillful craftsmen. The chassis and transformer pots are treated by Cayin's proprietary 14-round crafting process that includes scratch, spray, sanding, and baking. The high-gloss final finishing gives a refined and delicate texture and protects the amplifier for years of listening pleasure.
HA-3A Key Features
- 4-Pin XLR, 4.4mm, and 6.35mm headphone outputs
- ~A4 footprint, desktop-friendly design
- Low, mid, and high-Impedance matched headphone outputs
Clean Power with Minimum Interference
The HA-3A uses an RCA 22DE4 as a rectifier tube. While converting the incoming power source to a DC current, the 22DE4 rectifier tube minimizes interference and provides clean power to the amplification circuit.
Carefully Selected and Hand-Matched Vacuum Tubes
Driver tubes are dual 12AU7/ECC82 (matched pair) from JJ. Output Tubes are dual 6V6S (matched pair) from JJ.
Single-Ended Vacuum Tube Circuit
The HA-3A vacuum tube amplification is designed as a two-stage single-ended circuit. The 12AU7/ECC82 driver tubes will amplify the voltage level of the incoming audio signal so that the 6V6S output tubes will perform its amplification at a very linear condition.
The single-ended circuit design displaces the beautiful tone of your vacuum tubes without any cancellation. Single-ended uses matched pairs instead of matched quad-set tubes, so you can enjoy greater flexibility when you perform tube rolling.
