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In Reply to: RE: BATTERY POWERED FM TUNER? posted by ziggy on July 29, 2009 at 00:20:56
Well, I managed to get a chip amp (Gainclone) up and running on battery supply. Details are on the AMP/PREAMP FORUM.
As the results were so damned spectacular, the battery tuner is going ahead as planned.
The tuner I have in mind will be easy to convert, but I am concerned about it's quality as it is part of a cheap compact record player/receiver unit made in China. As is, the sound is not shockingly bad.....quite the opposite in fact when connected to a decent pair of efficient speakers. If the amp is bypassed at the tuner signal is tapped at the line level point, it may be worth a look?
The other tuner I have is a digital Sansui, nothing special, but good sounding also.Problem is the power supply has multiple voltages in two places (dc and a couple of a.c.? points) so it's a lot harder to try on battery power, especially without a schematic.
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