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Amplifier: Speaker

Photo: One Watt Audio Amplifier One Watt Audio Amplifier
1 Watt Audio Amplifier. 8 Ohms impedance. 20 Hz to 20 kHz. Small, few components.
PCB plans and circuit diagram (schematic) for what appears to be an extremely nice 100 watt guitar amplifier. Includes preamplifier and power amplifier circuit diagram and PCBs
Photo: One Watt Stereo Amplifier (2x1 Watt) Electronic Kit One Watt Stereo Amplifier (2x1 Watt) Electronic Kit
2 channel (Stereo) Audio Amplifier with 1 watt per channel.
0 Comments - in RF Amplifiers
MicroStrip 2.3 GHz (GigaHertz) RF amplifier with 1 Watt RF output power.
Describes the schematic (circuit diagram) and PCB (Printed Circuit Board) for a cheap 100-150 Watt audio amplifier with few components.
0 Comments - in Audio Amplifiers
Amplifier circuit for electret microphones (condenser microphones). Amplifier the audio signals picked up by the electret microphone, using 741 op-amp and a 2N2222 transistor.
Photo: Electronic Circuit: Audio Amplifier Module Kit Electronic Circuit: Audio Amplifier Module Kit
Variable gain audio amplifier capable of powering a small speaker for personal use
Photo: 3 Watt Stereo Amplifier Kit 3 Watt Stereo Amplifier Kit
Stereo 3 Watt Amplifier kit that powers two 4 or 8 Ohm speakers.
Photo: High End Tube amplifier (180 Watt Stereo) High End Tube amplifier (180 Watt Stereo)
An extremely good stereo tube amplifier which produces 90Wrms per channel.
0 Comments - in Audio Amplifiers
This simple stereo audio amplifier will amplify audio for your low-medium impedance headphones and give you left/right balance control
Photo: High Quality 25 Watt Audio Amplifier High Quality 25 Watt Audio Amplifier
High quality 25 watt audio amplifier. Combining 2 would give a 50 watt stereo amplifier.
0 Comments - in Radio Receivers
Circuit diagram for an AM radio antenna preamplifier that amplifiers the signal before it get to the AM receiver, thus making the AM radio signals stronger for better reception.
Photo: Stereo Amplifier 44 Watt electronic kit Stereo Amplifier 44 Watt electronic kit
The circuit is a gem; a TDA 1554 Integrated Circuit is used to produce an amplifier that will output up to 22 watts per channel with distortion typically not in excess of 0.1% thd. Sound quality is very, very high. Originally intended for use in an automo
Photo: Phone Pickup Suction Cup Electronic Kits Phone Pickup Suction Cup Electronic Kits
No electrical connection to the telephone is required, attach a suction cup to the hand set an turn on the amplifier. This project permits group listening to phone calls. You can also use it to monitor any other oscillating electrical field. Dual IC's pro
This audio amplifier electronic circuit uses MOSFET transistors to create more than 25 Watts output power. Uses IRF530 and IRF9530 MOSFET transistors.
Photo: 20 Watt FM Power Amplifier (1 Watt Input) 20 Watt FM Power Amplifier (1 Watt Input)
This 20 Watt FM RF Amplifier will increase the output of your FM transmitter from about 1 Watt to 20 Watts.
Photo: Stereo Pre Amplifier Kit Stereo Pre Amplifier Kit
Amplify tiny audio signals fifty times with this electronic kit, and deliver them to a power amplifier cleanly and undistorted. AGC (automatic gain control) eliminates distortion. This circuit is useful in boosting the output from tape heads, microphones
Photo: 150 Watt FM Power Amplifier (1 Watt Input) 150 Watt FM Power Amplifier (1 Watt Input)
This 150 Watt FM RF Amplifier will increase the output of your FM transmitter from about 1 Watt to 150 Watts.
Photo: 40 Watt FM Power Amplifier (1 Watt Input) 40 Watt FM Power Amplifier (1 Watt Input)
This 40 Watt FM RF Amplifier will increase the output of your FM transmitter from about 1 Watt to 40 Watts.
0 Comments - in Audio Amplifiers
This high gain earphones amplifier electronic circuit has a microphone, the sound from which it amplifies by a very high level so you can listen things to with lower volume easily.
Photo: 300 Watt FM Power Amplifier (1 Watt Input) 300 Watt FM Power Amplifier (1 Watt Input)
This 300 Watt FM RF Amplifier will increase the output of your FM transmitter from about 1 Watt to 300 Watts.