Build your Gadget
Forum
›
Amplifier Timer
›
Turns-off your amplifier when idle for 15 minutes. Fed by amplifier tape-output Amplifier Timer schematics Parts: R1,R8_...
Amplified Ear
›
Useful to listen in faint sounds. 1.5V Battery operation Parts: P1_____________22K Log. Potentiometer (see Notes) R1,R9__________1...
Telephone call Voice Changer
›
Voice manipulation device specially intended for props 9V Battery operation Parts: P1______________10K Log. Potentiometer R1,R10_...
Portable 9V Headphone Amplifier
›
Parts: P1______________22K Dual gang Log Potentiometer R1,R5___________18K 1/4W Resistors R2,R3,R4,R6_____68K 1/4W Resistors C...
›
Home
View web version
