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Category: Audio Circuits / Amplifiers This circuit is also crossed to: Audio , Vacuum Tubes Valves , Audio Filters Views: 4151 Rank: 0 This power amplifier has a subsonic highpass filter in it, to make sure that too low frequencies will not damage subwoofers. This type of car amplifier must be installed by professional installer. This kind of amplifier needs well prepared car electricity, like good battery, and high-output alternator. visit page.
Related circuits This is a simple and low cost 60W power amplifier. The optimal supply voltage is around 50V, but this amp can work from 30 to 60V. The maximum input voltage is around 0.8 - 1V. As you can see, in this design the components have a big tolerance, so you can build it with almost any components that... High Quality simple design No need for a preamplifier Can be directly connected to CD players, tuners and tape recorders. Simply add a 10K Log potentiometer (dual gang for stereo) and a switch to cope with the various sources you need. The input audio signal is fed to pin 3 of Ul, an LM386 low-voltage amplifier, via C3 and Rl. Potentiometer Rl sets the drive or volume level. Ul, which serves as a driver stage, can be set for a gain of from 20 to 200. The output of Ul at pin 5 is fed to U2—a 377 dual two-watt amplifier... The amplifier's gain is nominally 20 dB. Its frequency response is determined primarily by the value of just a few components—primarily Cl and Rl. The values of the schematic diagram provide a response of ±3.0 dB from about 120 Hz to better than 20,000 Hz. Actually, the frequency... The main part of this circuit is the LM386 amplifier chip. It also uses a transistor input to buffer the input signal and provide extra gain for the LM386. The little unit has helped me out on numerous occasions when trouble shooting any amplifier circuit like a stereo receiver, tv / vcr audio... 10Watt HI-FI Amplifier (TDA2002) A very small but good quality amplifier circuit that is also fairly cheap. It is based on TDA2002 which offers very low distrortion. Power should be 12-15 volt 1,2A. The amplifier frequency responce ranges from 40Hz to 15Khz. A good heatsink is required. At the input you can connect your mp3... TDA1554 / 22W Stereo Amplifier Very simple and useful circuit for amplify the stereo signals .The circuit dissipates roughly 28 watts of heat, so a good heatsink is necessary. The chip should run cool enough to touch with the proper heatsink installed .the circuit operates at 12 Volts at about 5 Amps at full volume. Hybrid Electrostatic Amplifier The genesis for this hybrid electrostatic headphone amplifier occurred when I was in Hawaii on vacation, at a fancy hotel on Maui. Sitting at the bar on the beach, drinking "Blue Hawaiis," I drew the schematic for the amp on a placemat. The design is my conception of the mysterious and rare Stax... What is an op amp? Operational Amplifier tutorial & super spy microphone circ...
1W FM Amplifier Circuit (Boost Low Power Transmitters)
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