Question about Yamaha AX-596 Amplifier

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Standby power switch

I hadnt been using the amp for a period of 4 months. it was discontected from a power source. when i tried to start up the amp, the standby power switch doesnt cut off, on presseing the power button. amp stays in stand by mode. unable to do anything about it. finally left it plugged on to a power source in case the humidity had got to the switches. any ideas would be welcome. thanks aspi

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Re: standby power switch

If you are concerned about humidity and switches, spray them with DeOxit. You can get it at Radio Shack.

Posted on Jul 14, 2007

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Did you try this....

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Hi spitkicker

Can you tell me a but more about the circumstance you are using the Yamaha.

The speaker switch you are using also has a strict rating of 100wrms Driving it with the 145 wrms of the ax596 may damage the switcher. You also should have the protection circuitry of the Niles engaged to when using the configuration of the speakers you have.

If you are operating the amp at high levels into the speaker system(whether the mixer is red lining or not), balanced out by the SLV4 to 4 ohms, it may well be suffering from overheating, or has developed dry solder joints associated with running hot that is causing it to go into protection mode. Any amp has to work alot harder to drive a 4 ohm load, and with multiple speakers and impedance correction circuitry will be presenting a rather complex load to boot.

If you are using it in a commercial situation and running at higher output levels for extended periods, you may be better to upgrade it to a fan cooled PA style power amp that is engineered to operate under these conditions. Domestic HiFi is not built to cope with long standing high power operation and may well fail prematurely

If it is over heating, you may be able to overcome this by moving more air about the yamaha and reducing the power level you are running the system at. Happy to talk further with you about this. Let me know how you get on :) Cheers


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