Kit – 2 Stage Preamplifier
2-step preamplifier for high-power amplifier, headphones-amplifier, etc.
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28-12715 - Audio Amplifier 1W
1W Mono Amplifier Kit
Small universal amplifier with a peak sound capacity of 2 W. A modern, low cost amplifier for many purposes. It works with an 8-pin DIP IC, the design is very small, so that this amplifier can be integrated into many devices.
28-22950 - Microphone Preamplifier Pre Assembled Module Board
Compact microphone preamplifier for equipment installation. Requires 6~18VDC/ 5mA power supply (sold separately).
MCM Cat 57, Page 693
MCM Cat 56, Page 619
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I have dealt with MCM Electronics a number of times and have been more than satisfied.