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In Reply to: RE: Could be an interconnect posted by airtime on April 19, 2014 at 09:36:09
Get a hold of Jim McShane and get some output tubes.
Honest amplification is better than excessive 2nd order distortion anytime.
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You really couldn't believe the tangle of wires back there. I MAY have had the network player split out to two sources - MAYBE!
charles
Charles
That is very a strong possibility and that probably changed loading of the input sources.Another thing you want to do if you haven't already is get yourself a can of Deoxit D5 and spray inside the pin holes of the tube sockets and then pull each tube in and out a few times to get it worked in..You had quite a bit of oxidation and I got a lot of it off but there is still some on there I couldn't get off and that is why it is good to clean those sockets every three months.It takes about 5 or 10min to do it all and it should be done to most every six months to guarantee best performance..You probably have something in your office that will work very nicely like denatured alcohol..Just draw it up in a 20 or 22 gauge syringe 3 ML and squirt it in each pin hole of the sockets.
Honest amplification is better than excessive 2nd order distortion anytime.
Edits: 04/19/14
Just a quick "voice of experience" note... alcohol is a great cleaner but make sure it's completely evaporated before "firing" things up!
I got a bit hasty once after cleaning an enclosed relay in an old 2-way radio. Put the can back on before the alc was dry. Relay switched B+ to the transmitter... the resulting fireball was small but certainly got my attention! Fortunately no damage...
Oh, and one hand behind your back while poking around energized circuits... something one may be careless about after working on a lot of low voltage stuff.
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