Review on π KooBook 1-Piece NE5532 Op Amp HiFi Preamplifier Signal Amplification Board - Bluetooth Pre-amp, DC 12V-35V by Andrea Webb
Improves the performance of the microphone, but nothing with a dead head is used.
I tried it as a preamplifier for the microphone included in my citizen base station. It didn't amplify the deadhead mic, so I hooked up an active mic to it. Then a little magic happened. This gave the power microphone more power and hi-fi sound. I get compliments for AM and SSB. Also prepare some ferrite beads for the line to the radio. Rudedog 255 West Georgia.
- single DC power supply, supply range 12-35V, working current: about 600mA, dual-panel design, easy to use, good effect.
- I will write later
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