I have a Naim NAP 180 power which I stupidly connected through speaker cables to another amplifier

lesliel

Member
May 6, 2020
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plugged two amps into the same speakers...

I have a Naim NAP 180 power which I stupidly connected through speaker cables to another amplifier~! my question is what damage am I likely to have done and is it repairable?

many thanks
 

Al ears

Moderator
Nov 23, 2008
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What damage do you think you have done? Power amps are meant to be connected to another amp, a preamp. Exactly how did you connect the amplifiers with speaker cable?
Does it still work?
I believe Naim still repair their older products best contact them.
Not enough information basically.
 

jjbomber

Well-known member
Dec 22, 2006
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Well when I turn it on now it just hums. I connected the two amps to the same speakers.
If you connected one amp to the HF and one amp to the LF, AND removed the link, then you shouldn't have done any damage.

If you connected both to the speakers and left the link in, then you will blow the speakers.

Try connecting just the other amplifier to the speakers. Are the speakers still humming?
 
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Gray

Well-known member
Nov 27, 2015
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Well when I turn it on now it just hums.
That should be an alarm bell (no, it's a hum :) ). Sorry, it's not funny.
Don't use your speakers as test instruments. There could be some voltage that they really don't like in with that hum.
Yes is the answer to your 'is it repairable?' question (and their first tests will be with a meter).
How much? That's a different question.
 

lesliel

Member
May 6, 2020
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If you connected one amp to the HF and one amp to the LF, AND removed the link, then you shouldn't have done any damage.

If you connected both to the speakers and left the link in, then you will blow the speakers.

Try connecting just the other amplifier to the speakers. Are the speakers still humming?
The other amp was a Sansui and I heard a loud pop coming from inside. I opened it up and it was a tranisistor that exploded! However I have bigger problems - the Tannoy 15 inch Golds that I was using have lost all their lower end, sound like cheap car speakers now!
 

Al ears

Moderator
Nov 23, 2008
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The other amp was a Sansui and I heard a loud pop coming from inside. I opened it up and it was a tranisistor that exploded! However I have bigger problems - the Tannoy 15 inch Golds that I was using have lost all their lower end, sound like cheap car speakers now!
Ouch, that's one expensive repair job. Sorry to hear it, nice speakers those.
 

Gray

Well-known member
Nov 27, 2015
663
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The other amp was a Sansui and I heard a loud pop coming from inside. I opened it up and it was a tranisistor that exploded! However I have bigger problems - the Tannoy 15 inch Golds that I was using have lost all their lower end, sound like cheap car speakers now!
Your story goes from bad to worse.
Sorry to hear it.
 

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