Simple Video Amplifier

The video amplifier in the diagram is a well-known design. Simple, yet very useful, were it not for the ease with which the transistors can be damaged if the po...

50 Watt Amplifier Circuit Using Transistor

It is very rugged and reasonably power amplifier circuit that can be used for any audio applications. The amplifier produces 60W rms at 50V supply on a 8 Ohm lo...

25 Watt Audio Amplifier Circuit

This is a 25 Watt basic power amp that was designed to be (relatively) easy to build at a reasonable cost. It has better performance than the standard STK modul...

100W Audio Amplifier Transistor used BDW83D

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Audio Amplifier Circuit using STK083

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The Basic Triode Gain Stage

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Bypassing tone controls from Dyna Pas preamp

Just wondering if there was a simple way to bypass the tone contols in the pas preamp. I believe there is a feedback circuit involved, so wasn`t sure .....

AB Transistor Audio Power Amplifier

This is a class AB transistor power amplifier. It is a simple amplifier to build, uses standard parts and is stable and reliable. The entire circuit utilizes co...

LM1875 20 Watt Audio Power Amplifier

The Amplifier circuit can be made with an IC power amplifier LM1875. IC LM1875 is a single chip power amplifier from National. 20 watts audio amplifier with LM1...

LA4440 Stereo Amplifier

LA4440 is a dual channel audio amplifier IC. It can be used in two modes one is Stereo amplifier and another Bridge amplifier mode. The LA4440 is a monolithic l...

7 Watt Class B Audio Amplifier Circuit

This is a design circuit for amplifier was designed in order to fill the gap in the 3-10 Watts power output range of the audio amplifiers available on RED Free ...

Super Reverb circuit

The AB763 Super Reverb is a very popularFender ampdue to the huge tone, robustness and the pure tone from the traditional blackface AB763 amp design. The AB763 ...

Bass man circuit

The Fender Bassmanis a legendary guitar amp known to both guitar and bass players. It wasintroduced in 1951, primarilytargeted for bass guitar players andpromot...

Wingfoot 813 Circuit Description and Schematic Diagram

The input impedance of a grounded grid amplifier is typically several hundred ohms. Though most vacuum tube transmitters will have no trouble driving such an im...

The AA8V 6AG7 Amplifier

The input coupling capacitor allows the input signal to pass through to the grid of the tube while preventing the input source from potentially shorting the gri...

Amplifier Schematic

In a grid driven amplifier it is necessary to match the low impedance of the driving transmitter (typically 50 ohms) to the high impedance input of the tube (ty...

Amplifier circuit

amplifier, device that accepts a varying input signal and produces an output signal that varies in the same way as the input but has a larger amplitude. The inp...

Valve audio amplifier technical specification

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Push-pull power amplifier circuit

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Electronic amplifier

A practical amplifier circuit An electronic amplifier is a device for increasing the power of a signal. It does this by taking energy from a power supply and co...