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Tube Audio Amplifier Circuit

Tube Audio Amplifier Circuit using EL34, 6SN7, 12AX7

Audio Amplifier Circuit STK060

30 w Audio Amplifier Circuit STK060   Audio Amplifier Circuit STK060

PT2399 reverb circuit and layout

PT2399 reverb circuit and layout Part : PT2399 TR C945 PT2399 reverb circuit and layout simple reverb circuit, reverb circuit schematic, spring reverb schematic, pt2399 reverb circuit, spring reverb driver, digital reverb circuit, pt2399 delay schematic, audio echo circuit diagram

Project for 20 or 40 watt fluorescent tubes – Inverter

This is a low-cost project for 20 or 40 watt fluorescent tubes, However the most efficient is to use a 40 watt tube or two 20 watt tubes in series. It is a circuit you can put together from junk box components or build from a kit. It is very simple to build and requires […]

condenser microphone

condenser microphone mic mixer circuit with LM1458, BC549 condenser microphone

PCB Design with simple

PCB design and how to move step

Circuit control temperature fan ceiling

P1_____________22K R1_____________15K R2____________100K R3,R6__________10K R4,R5__________22K R7____________100R R8____________470R R9_____________33K C1_____________10nF D1________BZX79C18 D2_________TIC106D D3-D6_______1N4007 Q1,Q2________BC327 Q3___________BC337 SK1__________Female Mains socket PL1__________Male Mains plug & cable R3-R4 and P1-R1 are wired as a Wheatstone bridge in which R3-R4 generate a fixed two-thirds-supply “reference” voltage, P1-R1 generate a temperature-sensitive “variable” voltage, and Q1 is used as a bridge balance detector. […]

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