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Cayin HA-3A
Cayin HA-3A
The Cayin HA-3A is a feast for the eyes and ears: visually, the headphone amplifier scores points with its glowing tubes, shiny housing and attractive aluminum front, while the analog flair is underlined by the pointer-armored VU meters. Acoustically, excellent transformers and transformers as well as the puristic two-stage amplifier circuit in Class A operation and single-ended design ensure extremely clear, clean, dynamic and powerful amplification with ample reserves.
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The Cayin HA-3A tube headphone amplifier impresses with its carefully selected components and extensive features.
The chassis and the three transformer housings undergo 14 elaborate work steps. The result is an extremely high-quality finish, which is reflected in the paintwork with a fine texture and a deep glossy surface.
Another processing highlight: all assemblies are elaborately wired point-to-point by hand.
Two 12AU7/ECC82 driver tubes, which amplify the voltage level of the incoming audio signal, enable the 6V6S output tubes to operate at a very linear level.
The 22DE4 rectifier tube minimizes interference when converting to DC and supplies the amplifier circuit with clean current.
Two 6V6S output tubes drive a pair of custom-designed output transformers that support unbalanced and balanced headphone outputs. The secondary winding of the output transformers provides an alternative phase, creating a true balanced output. Voltage is supplied by our proprietary Premium Mains toroidal transformer.
The headphone impedance can be adjusted in three stages and offers a suitable sensitivity for all headphones:
L: 8Ω~64Ω
M: 65Ω~250Ω
H: 251Ω~600Ω
We have provided the HA-3A with three headphone output sockets for easy connection of all standard headphone connections:
6.35mm unbalanced
4.4 mm balanced - optimized for highly sensitive headphones and a
4-pin XLR balanced socket
To ensure that the signal reaches the headphones at 100%, a high-quality ALPS potentiometer controls the volume.
| Specification | Details |
|---|---|
| Inputs | XLR x2, RCA x2 |
| Tubes | Output Tubes: JJ 6V6S x2 Driver Tubes: JJ 12AU7/ECC82 x2 Rectifier Tube: RCA 22DE4 1 |
| Dimensions (WxDxH) | 306mm x 260mm x 170mm |
| Weight | 12kg |
| Power Consumption | 80W |
| Output Power | 4pin XLR (balanced): 600mW (L); 750mW (M); 850mW (H) 4.4mm (balanced): 230mW (L); 350mW (M); 400mW (H) 3.5mm (unbalanced): 400mW (L); 600mW (M); 700mW (H) |
| Frequency Range | 18Hz-30kHz ± 3dB |
| Distortion (THD) | 0.2% (1kHz, 200mW) |
| Input Sensitivity | 300mV-480mW |
| Signal-to-Noise Ratio | 100dB (A-weighted) |
| Selectable Headphone Impedance | L: 8-640Ω; M: 65-2500Ω; H: 251-600Ω |
| Headphone Outputs | 4pin XLR x1, 4.4mm x1, 6.35mm x1 |
The Cayin HA-3A is a feast for the eyes and ears: visually, the headphone amplifier scores points with its glowing tubes, shiny housing and attractive aluminum front, while the analog flair is underlined by the pointer-armored VU meters. Acoustically, excellent transformers and transformers as well as the puristic two-stage amplifier circuit in Class A operation and single-ended design ensure extremely clear, clean, dynamic and powerful amplification with ample reserves.