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Chip Amps Amplifiers based on integrated circuits

Gainclone Problems; Aahh!
Gainclone Problems; Aahh!
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Old 22nd April 2003, 06:42 PM   #11
joensd is offline joensd  Germany
diyAudio Member
Join Date: Dec 2001
Location: Germany
Here´s are two pictures of possible power supplies you could build :


The thread might be interesting anyway so...
(And there are loads of other threads bout gainclones)

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Old 22nd April 2003, 06:49 PM   #12
raffir is offline raffir  Canada
diyAudio Member
Join Date: Apr 2003
Location: Canada
Originally posted by joensd

You mean that´s the only ground you´re using in your circuit?
A lot would come clear then.

You should give a detailed description on the connections you did before you go on.

And please read a bit about the basics before you connect everything up or you might burn the house down ;-)

Have a look here for example :
Rod Elliots Site
A lot of nice articles to read and learn from.

Alright. At present there is no chassis; just the bare circuit board. Once stuff starts working I will build a chassis.
I'll try connecting a resistor between amp ground and the green pin, or use two bridge rectifiers and make a ground like that.

I have read a *lot* of stuff on Rod Eilliot's site + every book I could find in the library system on the subject. Nonetheless, this is my first crack at AC powered anything, much less audio equipment. So I'm really grateful for any help I can get. Thanks, really. I'll try all these tips and try not to get killed (that's what the four fuses in each chanel are for).


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Old 22nd April 2003, 10:56 PM   #13
fedde is offline fedde  Netherlands
diyAudio Member
Join Date: Jul 2002
Location: Eindhoven, the Netherlands
You really need to connect both secondaries !!! And connect the two center secondary wires to the ground when using one bridge. Or use the two bridge configuration from the Thorsten schematic.

( commercial break )
You can find that schematic on my gainclone page, and quite some more information! Have a look at www.fedde.tk !!!
( end of commercial break )

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