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Burning Burn in question

I need to burn in a DAC/preamp that apparently needs a few 100hrs to come to live. My question is do I need to connect it to a poweramp and actualy play music during burn in? I would think that if there is no downstream load there will be voltage on the outputs but no current drawn. So you do in fact need to play music. Am I wrong?
edorr
edorr OP
714 posts
 
I'm more concerned about blowing my speakers. I just did this a few weeks ago and was out $1,000 for new midrange drivers.
almarg's avatar
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almarg
9,670 posts
 
The current drawn from the dac/pre by your power amp will be well under 1/10,000th of an ampere, and most of the circuitry in the dac/pre has no involvement in supplying it. I doubt that having the power amp connected will have any influence on the burn-in effects that will occur. I agree, though, that it makes sense to have signals going into the dac/pre.

Best regards,
-- Al
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almarg
9,670 posts
 
Also, while it is probably very unlikely, I would not totally rule out the possibility that the long-term reliability of the input stages of the power amp could be degraded by exposing them to large amplitude signals for prolonged periods of time while in the powered down state.

-- Al
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