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Chip Amps Amplifiers based on integrated circuits

Interesting find & wall transformer ques.
Interesting find & wall transformer ques.
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Old 24th June 2004, 04:10 PM   #1
Lusso5 is offline Lusso5  United States
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Default Interesting find & wall transformer ques.

Ordered one of these today to play around with/dissect. Was also curious if anyone here had built any GCs using wall transformers as power supplies.
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Old 24th June 2004, 08:38 PM   #2
ble0t is offline ble0t  United States
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Although I haven't built any using them, I'm sure you could probably use one. It would elminate the mains part of building a GC. However, I wouldn't necessarily recommend doing it due to the lack of power that they would be able to deliver, unless it's for a more portable setup (such as the one in your post).
gravity always wins
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Old 24th June 2004, 10:59 PM   #3
rwaudio is offline rwaudio  Canada
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my gf's gainclone is based on a pair of wallwarts..
it's an lm1876, the power supply is a nice stable +/- 14 to 14.5v current is rated 1.67A it seems to have plenty of power for computer speakers and sounds great.. the wallwarts are rated 12vdc @ 1.67A but during testing I was getting 1.75 into a resistive load without dropping below 13.5v just wired them up in series to give a +/- supply.. and at 6.99(canadian) each their a bargain.. and local so no shipping
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