HT-1R. No sound except with headphones

Discussion - HT-1 amplifiers
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shambeko
Posts: 2
Joined: Fri Jul 11, 2014 5:08 pm
Location: UK

Fri Jul 11, 2014 5:18 pm

Had my HT-1R for a couple of years with no problems. I decided to try a JJ 5751 valve in V1 to calm the gain a bit. One of the speaker wires came of the extension jack socket as I removed the cabinet so I soldered it back. Put back together, no sound from the speaker except when I turned off when there was a brief sound. Tried it with headphones in the emulated/headphone socket and it works fine so not sure what the problem is. Do you think I may have damaged the output transformer with my soldering. Or is the speaker dead.
Any help appreciated.
Si

shambeko
Posts: 2
Joined: Fri Jul 11, 2014 5:08 pm
Location: UK

Mon Jul 14, 2014 9:55 am

OK got it sorted.
Stripped it down yesterday and squirted Electronic Contact cleaner into the pots, sockets etc. Put it back together and it sings again.
That saved me a few quid

PS; also squirted the contact cleaner into the USB sockets on my laptop which have been dodgy for ages and they now work perfectly. Good stuff

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