Scott Dorsey
08-21-2003, 09:50 AM
Gene Pool <me@you.net> wrote:
>(I guess its ok to toppost my own message..hehe!)
>
>I gutted the Samson case (there were two components that literally
>exploded and burned traces, etc.). It makes a great rack shelf (don't
>laugh, they cost $50 w/shipping ... then I bought a Hafler on ebay
>auction.
What happened was that one of the output transistors failed into a dead
short, and because the output stages on those aren't properly fused,
it took out the emitter resistor when it blew up, and took the trace out
as well.
If the output stages had been fused right, it would just have taken out
the transistor, and replacing that would have been a fairly easy repair
job. But because they skimped on protection, it becomes a much harder
job when it fails.
Keep the power transformer from the thing; it's way undersized for a power
amp but it's handy to have around. Pretty much all the other parts in
there aren't worth even keeping in the junk box.
--scott
--
"C'est un Nagra. C'est suisse, et tres, tres precis."
>(I guess its ok to toppost my own message..hehe!)
>
>I gutted the Samson case (there were two components that literally
>exploded and burned traces, etc.). It makes a great rack shelf (don't
>laugh, they cost $50 w/shipping ... then I bought a Hafler on ebay
>auction.
What happened was that one of the output transistors failed into a dead
short, and because the output stages on those aren't properly fused,
it took out the emitter resistor when it blew up, and took the trace out
as well.
If the output stages had been fused right, it would just have taken out
the transistor, and replacing that would have been a fairly easy repair
job. But because they skimped on protection, it becomes a much harder
job when it fails.
Keep the power transformer from the thing; it's way undersized for a power
amp but it's handy to have around. Pretty much all the other parts in
there aren't worth even keeping in the junk box.
--scott
--
"C'est un Nagra. C'est suisse, et tres, tres precis."