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Posts tagged 20 Watt

Classic amplifier OTL circuit20W

Classic amplifier OTL circuit20W Classic amplifier OTL circuit 20W using BC109, AC176, A128 This circuit is Classic Classic amplifier OTL circuit at change quality adaptation. it is model OTL 20Watt hot popular in miss until contain now. Because of there is completed property more than other circuit. In about the popularity in the sound most […]

VU Meter using a lm3915 Circuit diagram

LED current drive is regulated and programmable, eliminating the need for current limiting resistors. The IC contains an adjustable voltage reference and an accurate ten-step voltage divider. VU meter uses just one IC and a very few number of external components. It displays the audio level in terms of 10 LEDs. The LM3915 is a […]

3 way active crossover , 4 Way Crossover Schema

3 way active crossover , 4 Way Crossover Schema 4 way active crossover, Audio Trebel, Audio Midel, Audio Sub wofer, Audio Midel Bas    

Dual LOw Noise Equalizer Amplifier circuit

Dual LOw Noise Equalizer Amplifier circuit using KA2221 Dual LOw Noise Equalizer Amplifier circuit using KA2221

Power Supply Control circuit

Power Supply Control circuit Power Supply Control using LM7812, LM7912

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