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Old 23rd March 2004, 03:41 PM   #1
red is offline red  Romania
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Join Date: Feb 2003
Location: Bucharest
Default Pics of my first gainclone

So i finally decided to try a gainclone.I used the Tda 7294 since here in Romania is very popular and rather cheap.I found at a local firm the pcb and bought the rest of the parts and here it is.
The schematic I used is the one in SGS-Thompson data sheet.
The power supply pcb includes a 5V voltage regulator for the stand-by circuit.It sounds great.I under power it.I mean that the psu delivers +/- 22V.
The loudspeakers it plays on, are very well known in Romania,the 15watts RMS Tesla Speakers.As you can see they are 2 way and someone already blew one pair up.(hope it won't happen again).
I had no case for it and so I put it on a wood board.
Here are the pics(all in one)
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Old 23rd March 2004, 05:17 PM   #2
iyo is offline iyo  India
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Join Date: Oct 2003
Location: pune,maharashtra
can you post the schematic and pcb?
i am a fan of these st audio amplifier ics.
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Old 23rd March 2004, 08:46 PM   #3
red is offline red  Romania
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Ok here is the data sheet for the TDA.
http://www.radio.com.cn/DOWNLOAD/200401/TDA7294.pdf
You can see the schematic there but the pcb was difrent made by a local store.For the psu the schematic is this one.
The capacitors may be a bit small but for what I have they work fine.
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