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  • 5.8 W Audio Power Amplifier

    This circuit use TA7222AP to speaker audio. The price of only $ 0.99 and 5.8 watts, can supply with muting Control.<cut>Power provide for the use of 8-12Vdc, it is a good idea for car audio power amplifiers, coin-op machine game, safety Use system, etc. Fig 1. TA7222AP pin out Pin Name Description 1 Vcc Supply […]

  • Current protection of amplifier.

    Aspect 1. Little of theory. Prologue. The usual protection circuits of amplifiers work on exceeding of output voltage. The threshold of the wear and tear of protection can be advanced either on the peak load or on the nominal, but with the long exposure (2… 5 seconds). In the essence, the protection on the stress […]

  • Amp with Tone Controls & Soft Switching

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  • Audio Notch Meter

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  • Vinyl Pre-Amplifier

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  • 6 Input Mixer

    A simple mixer with 3 line inputs and 3 mic inputs using commonly available parts. The mixer circuit below has 3 line inputs and 3 mic inputs. The mic inputs are suitable for low impedance 200-1000R dynamic microphones. An ECM or condenser mic can also be used, but must have bias applied via a series […]

  • Simple High Quality Preamp For Hi-Fi

    Introduction Note: Please see the updated version of the Hi-Fi preamp, shown in Project 88 www.sound.westhost.com. VN:F [1.6.9_936]please wait…Rating: 0.0/10 (0 votes cast)VN:F [1.6.9_936]Rating: 0 (from 0 votes)

  • Low Voltage Preamplifier

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  • ECM Mic Preamplifier

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  • Dynamic Microphone Preamp

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