They no speaky zee English.looks like they used online translator... probably they got borred doing it by themselves (?)
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They no speaky zee English.looks like they used online translator... probably they got borred doing it by themselves (?)
@Nigel i was hopping it will be useful both for listening to music decent enough and as a small guitar amp... (i don't mind the output power at all...)
If I get time tonight I'll have a look for an old book I have, which show how to build decent quality valve amps - but they aren't really suitable for guitar.
Why not just build a better quality transistor or IC amp?.
nigel i have many chip amps, a tube amp is something different and more interesting if i manage to finish it.
well... i don't know... if you want check your books... thanks!
i was equaly interested using it for guitar and for listening music...but
i understand it's not possible.
Looks like one dual triode for input gain and tone control, and a tetrode output.Here's another design, this one uses two triodes instead fo the pentode preamp.
about the heater the transformer outputs 6.3V/3A and i think i'll leave it as is and if the hum is high we will see...
ok... but only the heaters? i was thinking to do it for every cable...
what about the other thing, do you think i need load?
Only the heaters cables feed AC.
You should NEVER run a valve amp without a load.
what about the input? i thought every cable inside there can catch noise...
when i'm saying "load" i mean a resistor in parallel after the rectification to dissipate some power...
the power supply is 220VAC/250mA
probably you mean that i must always have my speakers connected right?! if yes what's going to happen if i forget it? can i blow off the tubes or only the output transformers?
Nigel other than the schematics you send me i also found this one...
is there anything interesting? looks very similar to mine is it better?
**broken link removed**