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Post subject: Standy and speaker cabs
Posted: Thu Dec 12, 2013 4:53 pm
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Do I have to turn the power off completely or can I put my amp in standby to change the speaker cab?


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Post subject: Re: Standy and speaker cabs
Posted: Thu Dec 12, 2013 5:03 pm
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Standby is fine, as long as there's no voltage to the output tubes and transformer then you won't damage them. You might want to leave it in standby for a couple of minutes to allow the supply voltage to drain through the hot tubes though, just to be on the safe side. Filter caps and decoupling caps in the preamp will store enough charge to keep the output tubes powered for a short time even in standby, better safe than sorry.

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Post subject: Re: Standy and speaker cabs
Posted: Thu Dec 12, 2013 6:11 pm
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GilgaFrank wrote:
Standby is fine, as long as there's no voltage to the output tubes and transformer then you won't damage them. You might want to leave it in standby for a couple of minutes to allow the supply voltage to drain through the hot tubes though, just to be on the safe side. Filter caps and decoupling caps in the preamp will store enough charge to keep the output tubes powered for a short time even in standby, better safe than sorry.

Excellent, thanks for the reply.


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