If you have speakers with a built-in amplifier, you only need to connect the mixer to the speakers without anything in between. Power off both the speakers and the mixer board. Position the ...

There are two general types of mixers; powered and unpowered. A powered mixer is one which contains amplifiers. An unpowered mixer must use an additional component: amplifiers. Each mixer has a ...

This audio mixer circuit uses an LM3900 IC but is not a profesional audio dj mixer. The IC houses four integrated Norton amplifiers. The advantage of using the four op amps is that they only need a ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. TOA Electronics introduced the second phase of its 9000 Series digital matrix mixer/amplifiers at ...