just bought this,EVEREADY SKY QUEEN valve/tube radio, going to try and turn it into a guitar amp, never worked with valve's before so there'll be lot's of question's, started unsoldering everything at the moment,
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the pye record player amp's feed two 3 ohm speaker's in parallel, which seem's a strange setup to me, but it obviously worked ok, think the amp would still push a 4 ohm speaker,?
morgan jones has a few book's out, and a new one is coming out in october, just debating which one to buy,
another quick question, i've a speaker that read's 8 1/2 ohm's, now my 4 and 8 ohm speaker's read just under these value's ie about 3 and 6 ohm's, so is this a 10 ohm speaker,?
Peter Greed > GARAGE HERMITSeptember 11, 2013 at 2:06am
A new Morgan Jones book you say. Nice result on the amp inspires me to get out the box of parts for my own Champ build, first to clean the shed.
GARAGE HERMIT > Peter GreedSeptember 11, 2013 at 5:18pm
there can never be too many champ's, start a thread so we can see your progress,
clean the shed, i know what you mean, i've got to move all this out of the way before i can start soldering,
Peter Greed > GARAGE HERMITSeptember 12, 2013 at 11:01pm
Will do, just have to finish a LP and set up my son's tele. Your shed beats mine, just.
GARAGE HERMIT > Peter GreedJanuary 19, 2014 at 7:05am
have'nt made an amp for a while, too busy, so i decided to make another 5c1 type thing, re-claimed transformer's, old maplin's s/s amp cab and chassis, and an old dress for the speaker cloth, i think it look's 1960' ish, old celestion speaker in place of the generic one that was fitted, it had a hole in it anyway,
GARAGE HERMIT > GARAGE HERMITApril 16, 2014 at 5:18pm
well, eventually finished it, that took a while, busy with other thing's,
only problem is i've the dreded 60hz hum, but when i plug the guitar in the hum nearly disappear's, anyone have any idea what's going on, ??
eric gittins > GARAGE HERMITApril 29, 2014 at 6:34am
hey hermit,
did you get a fix?
dodgy input jack, not earthing when you unplug?
e
GARAGE HERMIT > eric gittinsApril 29, 2014 at 12:28pm
realised i had the vol & input wire's crossing the s/s rectifier, moved the s/s rectifier over to near the HT transformer, like this, and everything was ok,
Replies
morgan jones has a few book's out, and a new one is coming out in october, just debating which one to buy,
another quick question, i've a speaker that read's 8 1/2 ohm's, now my 4 and 8 ohm speaker's read just under these value's ie about 3 and 6 ohm's, so is this a 10 ohm speaker,?
A new Morgan Jones book you say. Nice result on the amp inspires me to get out the box of parts for my own Champ build, first to clean the shed.
there can never be too many champ's, start a thread so we can see your progress,
clean the shed, i know what you mean, i've got to move all this out of the way before i can start soldering,
Will do, just have to finish a LP and set up my son's tele. Your shed beats mine, just.
have'nt made an amp for a while, too busy, so i decided to make another 5c1 type thing, re-claimed transformer's, old maplin's s/s amp cab and chassis, and an old dress for the speaker cloth, i think it look's 1960' ish, old celestion speaker in place of the generic one that was fitted, it had a hole in it anyway,
well, eventually finished it, that took a while, busy with other thing's,
only problem is i've the dreded 60hz hum, but when i plug the guitar in the hum nearly disappear's, anyone have any idea what's going on, ??
hey hermit,
did you get a fix?
dodgy input jack, not earthing when you unplug?
e
yes, fixed it, had it wired like this first,
[URL=http://s81.photobucket.com/user/w124-2door/media/valve%20amps/DSCF0002_zpsaf866aaa.jpg.html][IMG]http://i81.photobucket.com/albums/j236/w124-2door/valve%20amps/DSCF...[/IMG][/URL]
realised i had the vol & input wire's crossing the s/s rectifier, moved the s/s rectifier over to near the HT transformer, like this, and everything was ok,
[URL=http://s81.photobucket.com/user/w124-2door/media/valve%20amps/DSCF0004_zps3f381337.jpg.html][IMG]http://i81.photobucket.com/albums/j236/w124-2door/valve%20amps/DSCF...[/IMG][/URL]
Solid bit of kit, how many can stand on it?
^^^
you could probably rest a car on it, it's glued & screwed together, and it's just the right height to sit on,
just in case you have'nt noticed the volume knob goes to 78,!!!
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