Cayin HA-3A Class A HIFi Amplifier Vacuum Tube Headphone Amplifier

Product parameters:

Rated output power:

STD unbalanced output: 400mW+400mW(L); 600mW+600mW(M): 700mW+700mW(H)

4.4BAL balanced output: 230mW+230mW(L); 350mW+350mW(M); 400mW+400mW(H)

4PIN BAL balanced output: 600mW+600mW(L): 750mW+750mW(M): 850mW+850mw(H)

Frequency response: 18Hz~30kHz±3dB

Total harmonic distortion: 0.2% (1kHz, 200mW; rated output power less than 5%)

Sensitivity: 300mV~480mV

Signal-to-noise ratio: 100dB (A-weighted)

Headphone impedance matching: L: 8~64Ω; M: 65~250Ω; H: 251~600Ω

Headphone output socket: 6.35mm unbalanced headphone socket; 4.4mm balanced headphone socket; 4PIN balanced headphone socket

Input Impedance: 40kΩ

Input terminal: XLR, RCA

Vacuum tubes used: JJ 12AU7/ECC82×2, JJ 6V6S×2, RCA22DE4×1

Volume: 306mm×260mm×170mm

Net weight: 12KG

Main fuse: ~220V-240V:T1AL250V;~100V-120V:T2AL250V

External high voltage fuse: T125MAE250V

Power consumption of the whole machine: 80W

Working conditions: Temperature: 0°C~40°C Humidity: 20%~80%

Storage conditions: Temperature: -20°C~70°C Humidity: 20%~90%

Carefully selected

Two JJ6V6S imported vacuum tubes for single-ended pure class A power amplification

Two JJ12AU7 (ECC82) for voltage amplification

1: Power switch

2: Power indicator

3: Headphone output selection switch

4: 6.35mm single-ended headphone output

5: 4.4mm balanced headphone output

6: 4-Pin balanced headphone output

7: Headphone impedance selection

8: VU level meter

9: Audio input selection switch

10: Volume control knob