最近為網友完成的特別版2A3 SE後級.

Gauss5831

(分享)最近為網友完成的特別版2A3 SE後級.

http://www.ys-audio.com/scor.htm

6SN7 driver tubes
SONICAP coupling capacitor
Hasimoto H-20-3.5U CUT CORE orient high B Output Transformer
Hasimoto CC-10-200W Choke
Hasimoto PT-160 Power Transformer
　



Specifications

Output and T.H.D :
1W per channel , 1kHz total harmonic distortion typically 0.5% ( 30Hz 1.6% , 20KHz 2.7%)
4.7W per channel , 1kHz total harmonic distortion typically 5% (rated output)

Input : RCA

Input Impedance : RCA is 100K ohm

Frequency Response:

Test at 1W 20Hz ~ 75kHz (20Hz -0.56dB, 20kHz -0.45dB, 75KHz -3dB)
Test at 4.7W 20Hz ~ 75kHz (20Hz -1.2dB, 20kHz -0.3dB, 75KHz -3dB)

Input Sensitivity : 0.83V / 4.7W (rated output)

Output impedance : 4 ohm, 8ohm , 16ohm

Noise: Less than 1mV
Phase Mode : Normal
Construction: Copper and High quality aluminum

Tubes Required: 6SN7 x2 , 2A3 x 2, 5U4G(VT-244) x 1
Dimension: 430mm x 340mm x 230mm (W x D x H)

Total Weight: 19kg
Power Source: 220-240V,50Hz