Stereo tube amplifier circuit

2x4W Stereo Tube Amplifier Circuit

Here the schematic diagram of 2x4W stereo tube amplifier which built based 5 power tubes component. This amplifier will produces up to 4 watt audio power for each output channel….

Voltage Controlled Amplifier

Voltage Controlled Amplifier

This Voltage Controlled Amplifier circuit is simply an op amp having an additional input at pin 5. A current ILsc is inserted into this input which controls the gain of…

Small headphone amplifier

Small stereo headphone amplifier

A small stereo headphone amplifier cheap and very nice features (without HIFI). It only uses a single power supply value between 15 V and 24 V (you can even lower…