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USB
Amplifier of Acoustic Frequencies with Preamplifier

Amplifier of Acoustic Frequencies with Preamplifier

Characteristics Input Voltage: 15V Output Power: 4,2Wrms @ 4Ohm Minimal input signal: 94mVp-p with preamplifier, 0,65Vp-p without the preamplifier...

0 comments Not Tested
Sound Level Meter

Sound Level Meter

This nifty sound level meter is a perfect one-chip replacement for the standard analog meters.

0 comments Not Tested
FET Audio Mixer

FET Audio Mixer

This simple circuit mixes two or more channels into one channel (eg.

0 comments Not Tested
Digital Volume Control

Digital Volume Control

This digital volume control has no pot to wear out and introduces almost no noise in the circuit.

0 comments Not Tested
10W Mini Audio Amplifier

10W Mini Audio Amplifier

You can use this powerful amplifier in any small audio project.

8 comments Tested
20 to 80 Seconds Voice Record Playback

20 to 80 Seconds Voice Record Playback

This project is a 20 to 80 seconds Voice Record – Playback module based on ISD1740 IC.

0 comments Tested