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5 BAND Audio GRAPHIC EQUALIZER

5 BAND Audio GRAPHIC EQUALIZER AMPLIFIER using KA2223 5 BAND Audio GRAPHIC EQUALIZER AMPLIFIER using KA2223 The KA2223 is a monolithic integrated circuit consisting of an operational amplifier with five resonant circuits and a active filter, an it is suitable for radio-cassette tape recorders, car stereos or music center audio systems. FEATURES Tone control with […]

200W audio amplifier circuit diagram using TR and ic TDA2030

200W audio amplifier circuit diagram using TR and ic TDA2030

Power Delay On-Off with LDR

Power Delay On-Off with LDR using 1N4004, BC548, Relay, LDR

Make original 100W guitar amp

The amp is rated at 100W into a 4 Ohms load, as this is typical of a “combo” type amp with two 8 Ohm speakers in parallel. Alternatively, you can run the amp into a “quad” box (4 x 8 Ohm speakers in series parallel – see Figure 5 in Project 27b, the original article) […]

Relay Driver circuit using CD4024B

Relay Driver circuit using CD4024B, CD4068B, CD4028, BC148, SL100

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