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| Hifi57audio's Responses | Posts |
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Electrical issue
RFI is not the prob. Does the hum have a bit of a buzzing component to it? Two types;60&120hz. 120 has this really anoying buzzing to it,60 is rather bassey of course. A mic and a . . . | 42 |
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CD output voltage too high for preamp: what to do?
Best solution would be to have Ayre, or someone with the schematic to reduce the output of the CD player. I have no idea of the topology of the output circuit, be it discrete or . . . | 29 |
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Can the sound of SS amp deteriorate over time??
Yes it can, for a varity of reasons. The main resevoir caps(the large cans) in most high end amps are charged thru a very low series resistance. The current surge upon turn on . . . | 19 |
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Ground Loop Problem - Stumped
I Haven't the time right now to read all the responses, so forgive me if this has already been addressed. The hum you describe is likely 120hz(full wave rectified 60hz line freq) . . . | 14 |
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How To Match Power Tubes
All Hickoks and all the vintage testers test at to low a current to match tubes properly. With some tubes you can set the bias and transconduction range at a point where you can . . . | 10 |
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Loud thump when I power on or off
Hiend2 is close. The turn on/off thumps are caused by a rapidly climbing or decaying DC signal component being coupled to your speakers. This occures as the ciruit RC constants are. . . | 8 |
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Vacuum tube tester repair
Thanks everybody for their responses. Although it's not showing in this thread, one of these links connected me to a Mr. Kennedy at alltubetesters.com . He seems to be a freindly . . . | 6 |
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Preamp with intermitting Bzzz where to start?
Get Someone you don't particulary care for to move wires or components around while the unit is running so as to find a bad solder joint | 3 |
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Need Mono Blend - Will This Work?
You can also use any record with stereo test tone band, Reverse cardridge leads on one channel, Y it out; and use headphones, makes the job a little easier | 3 |
