starting SE47 guitar
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| Posted on April 15, 2014 at 13:56:06 | ||
    Recycling an old steel chassis from an aircraft surveillance thing. Replaced central PC board with a piece of 1/8" aluminum, now the small park surrounding the 47. One of two 6.3v filament windings on the PT is 2.5A, so it then sees FWB-LC for 2.5DCV/1.75A for the 47. The dcr of the choke with the draw, accidentally comes to about 2.5 w/o a resistor. It's trying to be a quiet as possible, yet still highish gain, not too loud living room guitar amp that's also LESS powerful than a SE6V6 type amp. If half the power is 3db down, I'll take it. Plus with a higher grid bias to put out half the power, it should be able to take more preamp gain before itself distorts/saturates? This might be good or bad depending on tastes. I don't know what it will sound like yet. Will start with late fifties Fender input and cathode follower driven tone stack, the 5D8 Twin 12AY7 version but include a middle control. The the two stages driving the tone stack are direct coupled so one tube is best for that. That leaves the other twin triode to be the first and last stages.
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| RE: starting SE47 guitar, posted on April 17, 2014 at 20:01:31 | |
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If everythings works out- a Marshall 4x12 half stack with a Les Paul plugged in would be be fun!
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