3Watts Tube Amplifier Class A Circuit Using 6BX7


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The amplifier circuit output is 3 watts in tube Class A with the 6BX7 tubes used to draw.
The project has a normal gain entry to the regular “Fender-like set of” full-range control, treble, FireflyStuffedLargebass, midrange and volume.

It is also possible for extra high gain jack, the second phase of the tunnel and its own gain control. This gives you, the predecessor of classical singing boogie Quickly.

New design dual-Stage Master is another control, with 3 watts can a child all the way back and still be able to talk about it! 

V1= ECC81 
V2= 6BX7
R1= 22Kohm 
R2-3= 1Kohm 
R4-5= 1.5Kohm
R6-7= 470Kohm
R8-9= 1Kohm 2W
RV1= 250Kohm Log. pot.
D1-2= 1N4007

C1-7-9= 100nF  1KV
C2= 220uF 350V
C3= 150nF 400V
C4= 100uF 25V
C6-8= 2X100uF 350V 
T1= 220V@2X250V/6.3V/6.3V
T2=Audio transformer

High-tech low noise all in a small cage 8 “x 12″ chassis Tiny tones.

The project also: push-pull-Profit / slight increase in high gain tube stage
Push-Pull switch
Push-Pull Gain Boost switch
Push and pull woofers make the transition

- Lots of things. This amplifier is designed for home practice (BEST) and registration –

     Here you can view the full-high-gain will be in very small quantities makes it easy to record and just live with it.

3Watt Tube Amp circuit

3Watt Tube Amp circuit

Electronic components

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