Description
About the Cayin HA-6A MK2 Tube Headphone Amplifier
The Cayin HA-6A MK2 Tube Headphone Amplifier stands out as a headphone amplifier that captures the magic of vacuum tubes while still delivering serious driving power. The use of Genalex Gold Lion KT88 tubes and Class-A circuitry creates a lush, engaging presentation with a wide soundstage and excellent dynamic range.
This updated MK2 version features a dual-chassis design with an external power supply, helping reduce noise and improve overall performance while maintaining the classic analogue character tube enthusiasts love.
What we particularly appreciate is the flexibility the amplifier offers. With selectable Triode and Ultra-Linear modes, users can tailor the sound signature to suit their headphones and music preferences. Whether you’re listening to delicate acoustic recordings or powerful electronic music, the HA-6 MK2 provides a wonderfully immersive listening experience.
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Frequently Asked Questions
- What tubes does the Cayin HA-6 MK2 use?
The amplifier uses KT88 output tubes, ECC82 driver tubes and GZ34 rectifier tubes. - What is the difference between Triode and Ultra-Linear modes?
Triode mode produces a warmer, smoother sound, while Ultra-Linear mode delivers more dynamic power and punch. - Can the Cayin HA-6 MK2 drive planar magnetic headphones?
With output power up to 4500mW per channel, it can drive many demanding headphones. - Does the amplifier support balanced headphones?
It includes 4-pin XLR and 4.4mm balanced headphone outputs. - What systems is the Cayin HA-6 MK2 best suited for?
It works best in high-end headphone systems paired with quality DACs and high-resolution sources.
What the Experts Say
- HiFi Pig – they note that the HA-6 MK2 delivers excellent flexibility and musical tube performance, capable of driving a wide range of headphones with ease.
- Head-Fi Community – Many enthusiasts praise the amplifier’s powerful output and tube tonal richness, making it a favourite among headphone enthusiasts.
Features
Single-Ended Class-A Tube Amplification
The HA-6 MK2 uses a single-ended Class-A tube circuit, delivering rich harmonics, smooth tonal balance and natural musicality.
Premium KT88 Output Tubes
Equipped with Genalex Gold Lion KT88 tubes, the amplifier produces powerful, dynamic sound with excellent detail and warmth.
Triode and Ultra-Linear Modes
Selectable Triode and Ultra-Linear operation allows users to switch between a smoother, warmer sound or a more dynamic and energetic presentation.
Dual-Chassis Design
The amplifier features a separate external power supply, reducing electrical noise and improving overall sonic performance.
Multiple Headphone Outputs
Compatible with a wide range of headphones through several output options:
- 6.35mm single-ended
- 4.4mm balanced
- 4-pin XLR balanced
Selectable Impedance Matching
Adjustable impedance settings ensure optimal matching for headphones from 8Ω to 600Ω.
Suggested System Pairing
The Cayin HA-6 MK2 Tube Headphone Amplifier pairs beautifully with high-quality DACs and headphones available from Rapallo AV.
DACs
Headphones
- Focal Stellia HiFi Closed-Back Headphones
- High-end planar magnetic headphones
- Reference dynamic headphones
Ideal For
- Premium headphone listening systems
- Audiophile desktop setups
- High-resolution music playback
Specifications
Brand: Cayin
Model: HA-6 MK2
Product Type: Tube Headphone Amplifier
Amplifier Design:
Single-ended Class-A vacuum tube
Tube Complement:
- KT88 output tubes
- ECC82 / 12AU7 driver tubes
- GZ34 rectifier tubes
Inputs:
- Balanced XLR
- RCA stereo
Headphone Outputs:
- 6.35mm single-ended
- 4.4mm balanced
- 4-pin XLR balanced
Operating Modes:
- Triode
- Ultra-Linear
Maximum Output Power:
Up to approx. 4500mW per channel
Frequency Response:
approx. 10Hz – 26kHz
Dimensions:
Amplifier: approx. 285 × 297 × 185 mm
Power Supply: approx. 160 × 297 × 185 mm
Weight:
Amplifier: approx. 11.2 kg
Power supply: approx. 8.2 kg
MPN: HA-6MK2
SKU: Cayin-HA6MK2
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










































