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Posts tagged 12AX7

Tube Audio Amplifier Circuit

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

Home burglar alarm systems

Home burglar alarm systems using 555 Home burglar alarm systems using 555

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 […]

Bluetooth cell phone

Bluetooth cellular phone circuit GSM SMS Controller circuit using Bluetooth cellular phone and Bt serial Bluetooth cell phone serial and GSM SMS Controller circuit using PIC16LF875

Audio amplifier circuit diagram using ic TA7222AP

Audio amplifier circuit diagram using  ic TA7222AP 2822    

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