Gemini amp shut down while spinning

You need to take it to the shop and get the switch replaced. It shouldn't cost more than an hour's labor/bench charge and the cost of the switch. Depending on your market probably $75-100.

If the motor is spinning the disc, then your problem is with the laser. It either needs to be cleaned or replaced. Cleaning can be done with a regular laser lens cleaning disc, available at any store that sells electronics. A replacement lens assembly can be picked up at any store that specializes in electronics.

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What kind of preamp and how are you using the xga, I assume on PA, and you want to use maybe a guitar preamp and amp head directly to it? Your preamp could go straight line in to the xga, the only thing the (whatever kind) of head is for power of onstage monitoring of your guitar. That is optional since the PA should have monitors. I personally use my full rig onstage to hear myself but, I mic it to the PA which always sounds better than direct. If you could be more specific to these models and uses or ideas, I could help you more.

typically (unless your useing other gear besides mixer and amp) you'd come out of the L/R outs. ( Main outs ) to the Main inputs of the power amp then out to your speakers (outs of power amp). Now the amp could be in bridge mono or other factors but typically, like i said, just
Mixer Out- Amp In- Amp Out- Speakers.

Nnormally about a fifteen amp

A large amp like this likely has protection circuit (probably a relay) that doesn't connect the speakers until the amp is stable and balanced. You relly need the schematics for the amp.

your RCA from your mixers output has to go into the input of your amp. just switch that and you should be fine

You connect POWERED speakers to the left and right outputs... You MUST use POWERED speakers or an external amplifier. This unit has a small headphone amp, but that CANNOT power passive speakers.

The output section of this unit appears to have a problem. That channel is in protect mode and will not produce sound. At this point, you should return this for a warranty repair. While relatively rare, this can happen with new equipment. As long as you have not overdriven the amp, the warranty should take care of the problem.

Keep us posted on how you make out.

Dan

The switch that the button actuates is probably broken. The unit will need to be serviced.