Out of stock

Out of Stock

If you are interested in purchasing this product or a product with similar audio characteristics, please feel free to contact us.

  • Cayin HA-1A MK3 - Black
  • Cayin HA-1A MK3 - Silver

Cayin HA-1A MK3

Class A Desktop Vacuum-Tube Amplifier and Preamplifier

  • Pure vacuum-tube amplification circuit with 12AU7/ECC82 and EL84/6BQ5 tubes
  • Class-A topology prioritizing linearity, tonal density, and long-term listening comfort
  • Custom power and output transformers specifically matched to the amplifier circuit
  • Multiple headphone impedance settings for low-impedance planar and high-impedance dynamic headphones
  • 6.35mm single-ended and 4-pin XLR balanced headphone outputs
  • Dedicated PRE-OUT for use as a tube preamplifier with active loudspeakers or power amplifiers
  • ALPS volume potentiometer with carefully selected components and hand assembly
Black
Silver
Regular price $1,351.00
Sale price $1,351.00 Regular price
Unit price
Save

VAT and Duties Included for UK and Eligible EU Customers.

If you are outside the UK or EU, the price does not include any taxes. Local taxes and import duties will be extra. They will be raised by the local authorities and billed directly to the customer.

VAT and Import Taxes FAQ
Cayin HA-1A MK3

Cayin HA-1A MK3

Classic Cayin Character

Pure Tube Design

At the heart of the HA-1A MK3 is a pure vacuum-tube amplification circuit designed to deliver the natural tonal richness, smoothness, and musical engagement that have made Cayin tube amplifiers popular among headphone enthusiasts around the world.

The amplifier employs 12AU7/ECC82 and EL84/6BQ5-family vacuum tubes, working together to create a refined and expressive presentation with the unmistakable character of tube amplification.

linearity and sonic purity

Class A Tube Amplification

The HA-1A MK3 operates with a Class A amplification topology, prioritizing linearity and sonic purity. Rather than pursuing output power alone, the amplifier has been carefully tuned to achieve a balance between tonal density, detail, dynamics, and long-term listening comfort - making it equally suitable for vocals, acoustic music, jazz, classical music, and modern productions.

Custom-Designed Transformers

Transformers have always played an important role in Cayin tube amplifier designs. For the HA-1A MK3, Cayin has developed dedicated power and output transformers specifically matched to the amplifier circuit.
Together with carefully arranged internal power-supply sections, the design provides a stable foundation for the signal path and helps minimize unwanted interference.

Designed for Different Headphone Loads

Different headphones present very different electrical demands, especially when moving between low-impedance planar headphones and higher-impedance dynamic designs.
The HA-1A MK3 therefore provides multiple headphone impedance settings, allowing users to better match the amplifier with the characteristics of their headphones. Both 6.35 mm single-ended and 4-pin XLR balanced headphone outputs are provided on the front panel.

Headphone Amplifier and Preamplifier in One

The HA-1A MK3 is not limited to headphone listening. A dedicated PRE-OUT is provided on the rear panel, allowing the amplifier to serve as a tube preamplifier for active loudspeakers or an external power amplifier.
With both headphone amplification and preamplifier functionality integrated into one compact chassis, the HA-1A MK3 can easily become the heart of a personal desktop audio system.

Carefully Selected Components

Inside the HA-1A MK3, careful attention has been paid to components that directly influence sound quality and long-term reliability. Highlights include an ALPS volume potentiometer, dedicated power-supply sections, custom transformers, and Cayin's traditional attention to internal layout and assembly. The amplifier continues Cayin's long-established manufacturing philosophy, combining modern production consistency with extensive hand assembly and inspection.

Specifications

Headphone Output

  • 2,400 mW + 2,400 mW

  • 2,700 mW + 2,700 mW

  • 20 Hz - 20 kHz, -3 dB

  • 0.3% (1 kHz, 200 mW; <5% at rated output power)

  • 1,200 mV - 2,000 mV

  • 110 dB (A-weighted)

  • L: 8-150 ohms; H: 151-600 ohms

  • 6.35 mm unbalanced jack; 4-pin XLR balanced jack

Preamplifier Output

  • 5 V

  • 9 dB

  • 0.1% (2 V RMS)

  • 105 dB (A-weighted)

  • 750 mV

  • 1.5 kohms

  • 1 pair RCA

General

  • 23 kohms

  • 2 pairs RCA

  • JJ 12AU7/ECC82 x2; Electro-Harmonix EL84EH/6BQ5 x2

  • 240 x 240 x 140 mm

  • 8.8 kg

  • AC 220-240V: T500mAL250V; AC 100-120V: T1AL250V

  • 62 W MAX

Recently Viewed Products