Cayin HA-2A

Valve amplifier up to 1000mW power
€1.449,00 €1.449,00 per 
Tube headphone amplifier.
Details

0Cayin HA-2A, a first-class experience

0

The Cayin HA-2A is Cayin's new tube amplifier, with a panel design and style that reveals dual VU meters. On its front panel we find 4pin XLR (BAL), 4.4mm (BAL) and 6.35mm (SE) connections. 

The HA-2A differs from other HA series in that it is Cayin's first vacuum tube headphone amplifier designed with all vintage NOS tubes. NOS (New Old Stock) refers to a tube that has never been used and comes from an old production. The amplifier consists of a total of five tubes, with the RCA 17AX4GT being the one that acts as a rectifier valve and supplies power to the electrode plate of the preamplifier tubes. This will fully exercise the unique harmonic richness and warm and delicate audio characteristics of tube rectification.

Both the preamplifier and the power tubes use Amperex components. The two Amperex ECF82/6U8 in the preamp stage and the two Amperex 17BF11 in the power output stage have to go through a rigorous internal testing and matching process before we can install them in our amplifier.

The HA-2A differs from common headphone amplifiers because the nominal frequency response of the HA-2A can reach 20 Hz-50 kHz in a range of +/- 3 dB. In addition, it is constructed by point-to-point welding to ensure the shortest signal path and improve the transparency and refinement of audio performance.

It features dual RCA and XLR inputs and is equipped with 6.35mm balanced, 4-pin XLR and 4.4mm balanced headphone outputs. It also offers high, medium and low impedance adjustment modes, making it convenient for users to pair them with headphones of different impedances and power handling requirements.

The unit is compact and weighs just 10kg, making it relatively small among tube headphone amplifiers and well suited for desktop use. In fact, it is part of the new Cayin series of devices so it is fully compatible with the iDAP-8, iDAC-8 and iHA-8.

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Specifications

0Amplifier specifications

  • Inputs: XLR x2, RCA  x2
  • Vac:
    • Output: Amperex 17BF11 x 2
    • Driver: Amperez ECF82/6U8 x 2
    • Rectifier: RCA 17AX4GT
  • Dimensions: 270 mm x 247 mm x 143 mm
  • Weight: 10kg< /li>
  • Fuse: 
    • 220V-240V: T500mAL250V
    • 100V-120V: T125mAE250V
  • Output Tube Fuse: TL125mAE250V
  • Consumption power: 60W
  • Temperature
    • "Working": 0º-40º >
    • "Storage": -20º-70º; Humidity: 20%-90%

1Headphone output specifications

  • 4 XLR pin (BAL): 800mW (L); 900mW (H)
  • 4.4mm (BAL): 200mW (L); >
  • 6.35mm (SE): 330mW (L); 550mW (M); 750mW (H)
  • Frequency response: 20Hz-50kZ +3dB
  • TH+D : 0.2% (1kHz, 100mW)
  • Sensitivity: 450mW-600mW
  • S/N Ratio: 100dB (A-Weighted)
  • Headphone impedance: L : 8-64 Ohms; M:65-250 Ohms; H:251-600 Ohms
  • Headphone connector: 4 pin >
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