Question about SpeakerCraft MZC-66 Amplifier

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I have a problem with our MZC-66 unit - installed fall 2005. I have a channel that appears to have failed. Symptoms started with buzzing in speaker. I think the amplifier needs to be replaced. Is their local support in Calgary Alberta or a diy sol'n?

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I repair these

calgary.kijiji.ca/c-buy-and-sell-electronics-Speaker-Craft-MZC-and-BB-Series-Amplifiers-Repair-Service-W0QQAdIdZ229607818

Posted on Sep 26, 2010

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SOURCE: I have a problem with our MZC-66 unit - installed

I repair these in Calrgay

calgary.kijiji.ca/c-buy-and-sell-electronics-Speaker-Craft-MZC-and-BB-Series-Amplifiers-Repair-Service-W0QQAdIdZ229607818

Posted on Sep 26, 2010

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2 Answers

What causes cracking, popping sounds on most zones of a MZC 66 amplifier controller?


Try this to isolate where it is coming from. Either the zone amps are defective, which is not likely, or the main amp is at fault. Hard to believe they are mis-wired, they typically are foolproof in this area.

At the main controller, try the two zones that are good and plug them into the 4 bad zones one at a time and see if you get the same symptom. If you do, then it is not the main controller and something common to the 4 zones is causing the issue. If they are wireless, then you my have interference so check if you can select different channels.

e

Nov 08, 2011 | SpeakerCraft MZC-66 Amplifier

2 Answers

SpeakerCraft MZC-66 , all zones just buzz\ need to find a repair person that know and understand this brand


That's is probably the main IC chip got busted already that causes the hum.
Hope that gives you an idea...

Jul 08, 2011 | SpeakerCraft MZC-66 Amplifier

2 Answers

All 6 zones buzz. mcz-66


Check to make sure no source or speaker cables cross power cables, and make sure power is clean by using a regulated surge protector.

Mar 14, 2011 | SpeakerCraft MZC-66 Amplifier

1 Answer

I have the same SpeakerCraft mzc-66 Model. Installed 2005. About 2yr later on one of the zone that was rarely used, it started to just put out a clicking noise. It is now down to only zone 1 and 6 that are...


I repair these:

http://calgary.kijiji.ca/c-buy-and-sell-electronics-Speaker-Craft-MZC-and-BB-Series-Amplifiers-Repair-Service-W0QQAdIdZ229607818

So they never fail again...

Jan 17, 2011 | SpeakerCraft MZC-66 Amplifier

2 Answers

One of my mxc 66s ?


CHANGE THE BATTERY OF YOUR REMOTE

Jul 06, 2010 | SpeakerCraft MZC-66 Amplifier

3 Answers

Buzzing in speakers on Carlsbro Marlin 8400 Power Amp


Hi,

If your volume is down and there's a hum, then it could be that your capacitors in the power supply are blown. Also there could be a problem with the bridge rectifier, possible that there's 1 or more diode's defect. Any technician can reapir that.

Hope it helps,
Gerard

Jan 20, 2009 | SpeakerCraft MZC-66 Amplifier

1 Answer

Speakercraft mzc 66


Failing component or components needs to be serviced

Jan 02, 2009 | SpeakerCraft MZC-66 Amplifier

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