circuits

This is a basic 100 watt power amplifier designed to be (relatively) easy to build at a reasonable price. It has a better performance (re...

This audio level meter required 2 pieces of LM324 for each channel. Every single LM324 contain 4 op-amps, then you need 2 pieces of LM32...

This is one of many audio level indicator circuit. The different is that this circuit should be connected tho the output of amplifier wh...

This is very nice VU meter circuit for your own audio system project. Build based IC LM3915, this circuit will indicate the pow...

Parts List: C1,C3 = 75-380 pF mica trimmer, ARCO 465 C4-C8 = .01 uF 1 kV disc ceramic C9,C10 = .1 uF 500V disc ceramic L1 = 6 uH. 25t #2...