Stereo Speaker Protection switch very important Stereo Speaker Protection Circuit using TR C458, C1383, C1384
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12SL7 SRPP / KT88 SIPP acoustic Tubes Amp and audio tube amp and supplies A Pair of Push-Pull Class A, Ultra Linear Mono Block Tube Amplifiers that can be used with several different vacuum tubes including KT77 / 6L6GC / KT88 with a 12SL7 driver and 6NO30 tubes.
It is a simple Colpits oscillator, but it has a 78L05 5v regulator (not shown) as the supply feed. The 22K and 33K resistors bias TR1 emitter to about 3v DC, which means that TR1 emitter can feed the CD4040 counter input directly when the synth is fed from a 10 volt supply. This is […]
Driver Speed Control Circuit Driver Speed Control Circuit
TV Circuit with audio wireless FM This simple circuit using BF494 . Where audio receiver? he he …………………….. yes fm radio on your cell phone. Then wear head phones while seeing adult film let steady. Part: R1 100 kΩ C1 4,7 nF Q1 BF494 R2 33 kΩ C2 Trimmer R3 22 kΩ C3 47 […]