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Posts tagged amplifiers

Stereo Power Amplifier

68W Power Amplifier schematic   68W Stereo Power Amplifier using TR A673, C828, C1213, D438, B560, TIP31 and TIP32

power supply Circuit diagram

+15V -15V power supply Circuit diagram with ic 78xx and 79xx, 7815, 7915, BC549

Switch Control Circuit using Relay

Switch Control Circuit using 3055, BC558, Relay

what is power supply ?

what is power supply ? what is power supply ? This article is about the common off-line switching power supplies used Preamplifiers what is power supply ? +15 and -15 , GND what is power supply ? One unit of Preamplifiers has begun working, while the second one will be operational The power supply +15 […]

Best portable headphone amp circuit

Best portable headphone amp circuit using LM833 or NE5532 High impedance headphones using : P1          22K R1         560R R2,R3 10K R4        12K R5,R6 2R2 R7        22R C1                   1µF 63V C2,C3,C4     100µF 25V C5                  22pF 63V C6                  22µF 25V IC1                LM833 or NE5532 Q1,Q3           BC337 Q2,Q4           BC327 Power supply parts: R8                                  2K2 C7,C8                            2200µF 25V D1                                   […]

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