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TDA 7250 based amplifier toasted!!!!
TDA 7250 based amplifier toasted!!!!
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Old 5th November 2003, 02:26 AM   #11
mcp is offline mcp  United States
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Join Date: Jul 2002
Location: Vacation Land
Yes you can, but you will be working at almost maximum voltage of +-45V. The TDA7250 chip will get slightly hot, so best to put some heatsink on it.

I run mine at 2*27 - which works out to +-35V. This is the recommended working voltage. No heatsinks necessary for chip.

With a 650W transformer, you can run 3x TDA7250. Just nice for a 6 channel HT amp.
Michael Chua
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Old 5th November 2003, 07:21 PM   #12
Ford_V6 is offline Ford_V6  Romania
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Join Date: Mar 2003
Location: Bucharest
Thnaks for the hint.
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Old 21st July 2011, 05:07 AM   #13
radio is offline radio  Macedonia
Join Date: Oct 2009
Location: Bitola MACEDONIA
Hello all !
Is anyone able to offer the reliable schematic and the PCB for this audio amplifier with TDA7250 with output drivers 2N30055/MJ2955 !?
Since has 10 pieces 2N3055 and 10 pieces MJ2955!

Last edited by radio; 21st July 2011 at 05:17 AM.
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