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tube amp 3w 6BX7 A

2017-12-22 04:24  
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Tube power amplifier 3W with 6BX7

Tube power amplifier 3W with 6BX7 circuit

POWER OUT3W/8 ohm - 1KHZ
INPUT SENSIV.600mV for 2W
DISTROTION

3%

FREQUENCY RESPONSE

22HZ-50KHZ   -3dB

S/N

90dB

Part List

R1= 22KohmC1-7-9= 100nF 1KVV1=ECC81
R2-3= 1KohmC2= 220uF 350VV2=6BX7
R4-5= 1.5KohmC3= 150nF 400VT1= 220V@2X250V/6.3V/6.3V
R6-7= 470KohmC4= 100uF 25VT2=Audio transformer
R8-9= 1Kohm2WC6-8= 2X100?F 350V
RV1= 250Kohm Log. pot.D1-2= 1N4007

 

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