Question about Yamaha RX-V2200 Receiver
Ive seen this problem in alot of audio setups in vehicles but most peeps dont know this is not a good thing and will cause damage to your woofers or amp. 99% of the time it turns out to be as you said that bad boy muting circuit. alot of these curcuits do use separate transitors or diodes as mute switches but most of them are directly from the Microproccessor. Only way to trouble shoot this is with a schematic and a good car stereo tech. Good luck
Posted on May 25, 2006
When many active subwoofers are switched on or off, a loud thump often accompanies the events. Not only is this disconcerting to hear, but these switching transients are potentially hazardous to the speaker's health. There are commercially available units which you can fit to stop potential turn-on damage dead in its tracks with special anti-thump circuitry. Most decent amps have a power on (mains) anti thump system but it's usually a relay which delays the speakers being activated when mains power is applied. The transient spikes found during actual use by switching sources is only handled by top end equipment and it's built into the unit. Use of a .01μF or .022μF 250VAC metallised polypropylene capacitor across the switch contacts can stop thump but a lot of knowledge of your amp would be neededto fit them. The cheapest way would be to switch off the amp prior to switching sources and then switching the amp back on. The most expensive way would be to make the sub woofer Active which would involve a seperate amp with anti thump built in. It would then have to be fed via the sub woofer line out.
Posted on May 26, 2006
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Posted on Jan 02, 2017
SOURCE: Zone 2 problem
I know this is old and im sure you have it solved by now, but it might be a good idea to check the amp setting of Zone 2. Is it switched to Internal or external? I remember something strange about this amp in that when you change from using the rear surrounds and go to use them in Zone 2, it resets the amp setting or something like that. Hope it helps if you still need it.
Posted on Mar 08, 2009
I have the same setup. Are you going out of the subwoofer output of the reciever? (it's purple.) then into the LFE jack of the subwoofer (also purple.) That's the only connection you need besides power. If you have those right, try using your cable for something else to make sure the cable is good. Is the indicator of the subwoofer green? Mine comes on with the reciever. Good luck!
Posted on Apr 14, 2009
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