[sdiy] Damned amplifier

[epeasant at telusplanet.net]

I would check the pc board for cold solder joints, 
especially where connectors and controls or large parts are 
mounted.

Take care,
Doug
______________________
The Electronic Peasant

www.electronicpeasant.com

> today my stereo amplifier developed the same problem!
> 
> sounds like crackling on the left side. I took it apart,
> cleaned it. the 
> problem was gone. I put it all back together, then 5
> minutes later it 
> returned!!!!!
> 
> I'm open to ideas. I thought maybe the caps in the power
> supply were 
> dead. Am I crazy?
> 
> mark
> 
> Glen wrote:
> 
> >At 03:06 PM 11/11/02 , Linium wrote:
> >
> >>Hello,
> >>
> >>I have 2 stereo amplifiers that show almost the same
> faulty behaviors and i 
> >>would like to ask about this kind of problem.
> >>
> >>The amplifier work ok but there are some moments where
> a voice start to have 
> >>some very short loss in the signal, like there is a bad
> contact somewhere.
> >>
> >
> >Do the amplifiers use relays to delay the amplifier's
> connection to
> >speakers, as a means of preventing "turn-on thump"? If
> so, these relays can
> >develop poor connections and cause problems similar to
> what you describe.
> >They can also cause crossover distortion.
> >
> >later,
> >Glen Berry
> >
> 
> 
>