[sdiy] Need help about how to service an amp

Jean Bender lofideadbeat at gmail.com
Wed Apr 14 22:33:14 CEST 2021

Hi !
Finally, it wasn't such a big fixing. After looking at the components and
circuit board, i realised that one of the two filtering condos was cold
Now it works !
Thanks for your tricks and advices.

Le lundi 5 avril 2021, Ingo Debus via Synth-diy <synth-diy at synth-diy.org> a
écrit :

> > Am 04.04.2021 um 20:28 schrieb cheater cheater via Synth-diy <
> synth-diy at synth-diy.org>:
> >
> >> What would be the best way to emulate the speaker load ? A resistor
> connected to the output ?
> >
> > This might be surprising but... the original speaker that's still in
> > the cabinet.
> In my experience so far almost all transistor amps run fine without a load
> (not so with tube amps - never run those without a load). But to be sure
> that they really work you need to connect a load. It’s possible that they
> appear to work without a load but don’t as soon as a load is connected.
> Using a speaker as a load for an amp of unknown state is risky - if the
> amp is defective it could fry the speaker very quickly (been there, done
> that).
> Ingo
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Jean Bender <https://hearthis.at/jean-bender/>

Hak Lofi Record <http://h.a.k.free.fr/>
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