Guitar amp preamp using BC546 and BC556 Guitar amp preamp using BC546 and BC556 P1_________________ 10K Linear Potentiometer P2_________________ 10K Log. Potentiometer R1,R2______________68K 1/4W Resistors R3________________680K 1/4W Resistor R4________________220K 1/4W Resistor R5_________________33K 1/4W Resistor R6__________________2K2 1/4W Resistor R7__________________5K6 1/4W Resistor R8,R18____________ 330R 1/4W Resistors R9_________________47K 1/4W Resistor R10________________18K 1/4W Resistor R11_________________4K7 1/4W Resistor R12_________________1K 1/4W […]
Posts tagged audio
Guitar headphone amplifier
Guitar headphone amplifier using BC239C, BC337, BC327 Guitar headphone amplifier using BC239C, BC337, BC327 Guitar headphone amplifier R1 = 10K R2 = 100K R3 = 68K R4 = 1.5K R5 = 3.3K R6 = 330R R7 = 4K7 R8 = 2.2R C1 = 1µF-63V C2 = 100µF-25V C3 = 470µF-25V Q1 = BC239C Q2 = […]
Motion alarm sensor using LM7215, ZVN4306
Motion alarm sensor using LM7215, ZVN4306 Motion alarm sensor using LM7215, ZVN4306
Battery Charger Circuit 12V to 1.2V
Battery Charger Circuit 12V to 1.2V using MAX713, MC33171, LM2904, NTE2904
ptc speaker protection
ptc speaker protection
Amplifier AutoScout24 Power ON
Amplifier Auto Power ON Signal detecting auto power-on unit, audio signal controlled relay switch module, amplifier auto power on, audio sensing power switch, audio detector switch, audio signal detector circuit, line level audio detection circuit, audio triggered power switch part : BC547 , BC557, LM358, Relay