2 November, 2009 (13:34) | Preamplifier | By:
Bass Booster Stereo Preamplifier Circuit Parts:
P1_________________10K Log.Potentiometer (Dual-gang for stereo)
P2________________100K Log.Potentiometer (Dual-gang for stereo) (See Notes)
R1,R2_____________100K 1/4W Resistors
R3,R6______________15K 1/4W Resistors
R4_________________10K 1/4W Resistor
R5_________________22K 1/4W Resistor
R7__________________1K 1/4W Resistor
R8________________560R 1/4W Resistor
C1,C2,C5____________2µ2 63V Electrolytic Capacitors
C3________________470µF 35V Electrolytic Capacitor
C4__________________1µF [...]
Tags: Bass, Bass Booster, Bass Booster Circuit, Capacitor, K Log, loudspeaker cabinets, polyester capacitor, Preamplifier Circuit, Stereo, stereo preamplifier, V Electrolytic, V Polyester, variable resistor, W Resistor, W Resistors
2 November, 2009 (13:13) | Other Circuits | By:
120 VAC Lamp Dimmer
The full wave phase control circuit below was found in a RCA power circuits book from 1969. The load is placed in series with the AC line and the four diodes provide a full wave rectified voltage to the anode of a SCR. Two small signal transistors are connected in a switch [...]
Tags: 120 VAC, 120 VAC Circuit, Capacitor, lamp dimmer, Lamp Dimmer Circuit, power circuits, SCR, signal transistors, voltage
2 November, 2009 (12:41) | Power Amplifier | By:
Mosfet 25W Audio Amplifier Part List:
R1,R4_________47K 1/4W Resistors
R2____________4K7 1/4W Resistor
R3____________1K5 1/4W Resistor
R5__________390R 1/4W Resistor
R6__________470R 1/4W Resistor
R7___________33K 1/4W Resistor
R8__________150K 1/4W Resistor
R9___________15K 1/4W Resistor
R10__________27R 1/4W Resistor
R11_________500R 1/2W Trimmer Cermet
R12,R13,R16__10R 1/4W Resistors
R14,R15_____220R 1/4W Resistors
R17___________8R2 2W [...]
Tags: Audio Amplifier, Capacitor, electrolytic capacitor, ground, K Log, Mosfet, Mosfet 25W Audio Amplifier, polyester capacitor, polyester capacitors, rangkaian, transistor, V Electrolytic, V Polyester, V Polystyrene, W Audio, W Resistor, W Resistors, W Trimmer
