Description About the Cayin HA-3A Vacuum Tube Headphone Amplifier The Cayin HA-3A stands out as a wonderfully musical tube headphone amplifier that delivers a refined and immersive listening experience. The use of 6V6 output tubes gives the amplifier a beautifully smooth tonal character with excellent midrange richness and natural timbre. Vocals and acoustic instruments sound particularly lifelike, while the amplifier still maintains excellent clarity and detail retrieval. Its Class-A single-ended topology ensures low distortion and a smooth, fluid presentation that tube enthusiasts will immediately appreciate. Combining classic valve design with modern headphone connectivity, the HA-3A offers balanced and single-ended outputs along with selectable impedance settings, allowing it to drive a wide range of headphones while preserving the lush character tube amplifiers are known for. We also like the flexibility the HA-3A offers. With both balanced and single-ended outputs plus adjustable impedance matching, it pairs easily with many high-end headphones. If you’re looking for a headphone amplifier that captures the emotional engagement of tubes without sacrificing versatility, the HA-3A is a superb option. View Cayin Products >> Frequently Asked Questions What tubes does the Cayin HA-3A use?| The amplifier typically uses 6V6 output tubes, ECC82 / 12AU7 driver tubes and a rectifier tube. Does the HA-3A support balanced headphones?| It includes 4.4mm balanced and 4-pin XLR balanced headphone outputs, along with a 6.35mm single-ended output. What type of headphones pair best with the HA-3A?| The amplifier pairs beautifully with high-end dynamic headphones and many planar magnetic headphones, depending on impedance and sensitivity. Can the HA-3A drive high-impedance headphones? With selectable impedance matching up to 600Ω, it works well with many high-impedance headphone designs. Is the HA-3A suitable for desktop Hi-Fi systems? Its compact footprint and premium tube sound make it ideal for audiophile desktop headphone setups What the Experts Say Head-Fi Community – they highlight the HA-3A’s smooth, organic tube presentation and excellent synergy with high-end dynamic headphones. HiFi Reviews – Reviewers often praise the HA-3A for delivering classic tube warmth while maintaining impressive clarity and detail. Features Single-Ended Class-A Tube Amplification The HA-3A uses a pure Class-A single-ended tube circuit that produces natural tonal warmth, rich harmonics and a highly engaging listening experience. 6V6 Output Tubes Classic 6V6 tubes provide smooth, musical performance with excellent midrange presence and beautifully textured vocals. Balanced and Single-Ended Headphone Outputs The amplifier supports multiple headphone connections for maximum compatibility: 6.35mm single-ended 4.4mm balanced 4-pin XLR balanced Adjustable Headphone Impedance Selectable impedance matching allows the HA-3A to work effectively with headphones ranging from 8Ω to 600Ω. Multiple Input Options The HA-3A supports both balanced and single-ended sources. Balanced XLR input RCA stereo input Premium Tube Rectification A dedicated rectifier tube helps deliver smoother power supply performance and contributes to the amplifier’s classic tube tonality. High-Quality Construction Cayin’s robust chassis design and precision components ensure excellent reliability and reduced vibration, helping maintain signal integrity. Suggested System Pairing The Cayin HA-6 MK2 Tube Headphone Amplifier pairs beautifully with high-quality DACs and headphones available from Rapallo AV. DACs Cayin iDAC-8 Dual Timbre DAC Cayin iDAC-6 MK2 Tube DAC Headphones Focal Stellia HiFi Closed-Back Headphones High-end planar magnetic headphones Reference dynamic headphones Ideal For Audiophile headphone listening systems Desktop Hi-Fi setups Listeners who love the musicality of vacuum tube amplification Specifications Brand: Cayin Model: HA-3A Product Type: Tube Headphone Amplifier Amplifier Design: Single-ended Class-A vacuum tube amplifier Tube Complement: 6V6 output tubes ECC82 / 12AU7 driver tubes Rectifier tube Inputs: Balanced XLR RCA stereo Headphone Outputs: 6.35mm single-ended 4.4mm balanced 4-pin XLR balanced Headphone Impedance: 8Ω – 600Ω selectable Dimensions: approx. 280 × 190 × 185 mm Weight: approx. 8 kg MPN: HA-3A SKU: Cayin-HA3A EAN / UPC / GTIN: Not publicly published Why Buy From Rapallo ✔ New Zealand Hi-Fi specialists since 2005 ✔ Authorised Cayin dealer with genuine products and full manufacturer warranty ✔ Expert advice on DAC and headphone amplifier matching ✔ Carefully curated range of premium Hi-Fi equipment ✔ Free NZ shipping on orders over $299
