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Old 10th May 2006, 12:33 AM   #1
preiter is offline preiter  United States
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Default Using power supply to power pre-amp?

If I wish to put a GC Amp and a pre-amp in the same case, is it possible to use the same power supply to drive both?

Are there drawbacks to doing this?
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Old 10th May 2006, 08:03 AM   #2
Nuuk is offline Nuuk  United Kingdom
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Please search for your answer. This subject has been covered many times before!
The truth need not be veiled, for it veils itself from the eyes of the ignorant.
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Old 11th May 2006, 12:42 PM   #3
Wynand is offline Wynand  South Africa
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You can. See the LM317 and LM337 datasheets or do a search on this site. there are lots of schematics and even pcb layouts. Remember to use heatsinks.

The best would be to have seperate PSU's but for some it's overkill. That's what I'd like to do.

PS LM317 and LM337 are better than LM78xx and LM79xx.
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Old 11th May 2006, 12:45 PM   #4
Mad_K is offline Mad_K  Norway
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What is the PSU voltage in your GC at idle?
Mads K
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Old 11th May 2006, 12:52 PM   #5
Wynand is offline Wynand  South Africa
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Sorry. That could be a problem. You must look at the max voltage ratings for the voltage regulators. That's another reason LM317/337 is better than LM78xx/79xx.
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