MIXER POWER BIAMP CMA 120 SCHEMATIC

This is an Icon schematic diagram. The bigger picture inside the article.

BIAMP CMA 120 comes in the form of an audio mixer as well as a power amp.

This 6 channel mixer is only using volume potensio.

Similar to the old TOA “musholla” amp. To find information about BIAMP, click HERE.

BIAMP CMA

BIAMP is an American audio brand.

From 40 years ago, BIAMP has made various kinds of audio equipment that was classy in its era.

In Indonesia, BIAMP’s products are still less popular with older names such as ROLAND, YAMAHA, PEAVEY, MACKIE, SOUNDCRAFT, and another brands of made from China.

Even so, I’m still looking for articles about any amp, including this BIAMP brand.

The BIAMP CMA is an amp made in the 90s. At the time, this amp was designated a public address.

It can be used for MICROPHONE, TELEPHONE, LINE IN amps. CMA series is here to serve the needs of consumers at that time.

There are 30 Watt, 60 Watt and 120 Watt. The amp looks like this:

Ampli Public Address CMA120

SCHEMATIC

The following is a re-drawing schematic from the original one .

This amp uses 2 pairs of transistors for its final output.

Schematic Power Biamp CMA Series

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NOTE

The amp provides a trimpot for bias current in the final transistor.

This amp are works on 50 Volt Symmetrical voltage for the CMA 120.

yohan Indrawijaya

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