Amplifier of acoustic frequencies with preamplifier

Published:2013/7/15 20:22:00 Author:muriel | Keyword: Amplifier , acoustic frequencies, preamplifier | From:SeekIC

Technical characteristics:Tendency of catering: 15VForce of expense: 4,2Wrms in the 4WMinimal signal of entry: 94mVp-p with preamplifier, 0,65Vp-p without the preamplifier. Parts:R1 2,2KWR2 330KWR3 4,7KW logarithmic potentiometerR4 330WR5 1KWR6 1,5WC1, C6 100nF polyesterC2 100mF/25V ilektrolytjko'sC3, C7 1mF/25V electrolyticC4 1000uF/25V electrolyticC5 10uF/25V electrolyticQ1 BC547U1 TDA2002LS1 Loudspeaker. Notes:Proportionally the resistance of loudspeaker changes the force that it can give the amplifier:LS1 Force of expense2W 6,5Wrms4W 4,2Wrms6W 3Wrms8W 2,25Wrms



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