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In Reply to: In spite of the potential advantages that a battery supplied phono preamp could have... posted by EdAInWestOC on October 6, 2015 at 04:21:14:
I believe the main advantage of battery power is in its cost savings. It often costs more to produce an AC power supply that performs as well or better than a battery power supply, especially for components that require very low power like phono stages and DACs. Small sealed lead-acid batteries are very economical. I significantly improved the performance of the original Audio Alchemy DAC-In-The-Box by replacing its wall-wart power supply with a sealed lead-acid battery. I suppose I could have built or purchased a higher performance AC power supply, but the battery was a lot cheaper and I used the wall-wart to charge the battery.
Best regards,
John Elison
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Follow Ups
- RE: In spite of the potential advantages that a battery supplied phono preamp could have... - John Elison 06:14:36 10/06/15 (2)
- RE: You might like to try the following, John ... - andyr 21:52:43 10/06/15 (1)
- RE: You might like to try the following, John ... - John Elison 05:46:53 10/07/15 (0)