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Stereo Broadcast Limiter Circuit for Ramsey. Link
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High Quality One-IC unit
Low current consumption

Parts:
P1______________22K Dual gang Log Potentiometer
R1,R5___________18K 1/4W Resistors
R2,R3,R4,R6_____68K 1/4W Resistors
C1,C2,C6_________4µ7 25V Electrolytic Capacitors
C3,C7___________22pF 50V Ceramic Capacitors
C4,C5,C8_______220µF 25V Electrolytic Capacitors
IC1__________NE5532 Low noise Dual Op-amp
J1____________3.5mm Stereo Jack Socket
SW1____________SPST Slide or toggle switch
B1_______________9V PP3 Alkaline battery
Clip for PP3 Battery
The 5534/2 is a low-distortion, low-noise device, having also [...]

Parts:
P1_________________22K Log.Potentiometer (Dual-gang for stereo)
P2________________100K Log.Potentiometer (Dual-gang for stereo)
R1________________820R 1/4W Resistor
R2,R4,R8____________4K7 1/4W Resistors
R3________________500R 1/2W Trimmer Cermet
R5_________________82K 1/4W Resistor
R6,R7______________47K 1/4W Resistors
R9_________________10R 1/2W Resistor
R10__________________R22 4W Resistor (wirewound)
C1,C8_____________470nF 63V Polyester Capacitor
C2,C5_____________100µF 25V Electrolytic Capacitors
C3,C4_____________470µF 25V [...]