Re: How to fix an amp

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Posted by Tenma4 on July 19, 2000 at 10:50:39:

In Reply to: How to fix an amp posted by Matthew John on July 18, 2000 at 22:45:35:

: I have an amp (got it for 60 dollars) that played perfectly fine when i
: first got it. It played fine for two months when it wouldn't play at all.
: It would only play when the speaker was face down. I was planning to buy
: a new amp anyway so I decided to take it apart. I UN screwwed the speaker
: and turned it around So now it only plays with the amp upside down.
: I am buying a new amp anyway, but i thought it would be kind of fun to
: fix it myself. ANy body know how to do it?

My first suspicion would be a loose connection inside the amplifier somewhere. First of all I'd check to see if the connections to the speaker terminals are solidly in place. Make sure the amplifier is turned off, and unplugged when doing this. When the amplifier is still sitting upright does the power LED come on? Is there a visible sign that the amp still house power or does the amplifier not even come on?

Another thing I might guess would be a heat damaged voice coil in the driver itself. If that's the case then that (less likely) the voice coil might only be making a complete circuit when the added weight of the speaker cone is pulling down on the suspension enough to counteract...thereby moving the voice coil out of the "dead spot". If that's the case then just replace the driver. You might have a nifty little practice amp you can abuse. If it's my first idea then re-crimp or solder the connection to the speaker terminal and you're good to go. If you do the latter be careful not to let any stray solder come into contact with another surface or connection. Hope this is helpful to ya. If not then drop me an email at

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