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Audio Research VT100 MKll Stays on

Was hoping somebody here might be able to help me I have a Audio Research VT100 MKll that stays on and wont turn off I have it plugged into one of the switched outlets on my power conditioner and I'm just turning it on and off that way but I've replaced the switch twice which both times worked for a while and then the same thing I removed the switch completely and plugged it in and sure enough it came on even without the switch I don't see anything obviously wrong with it so was hoping somebody with some technical experience might be able to tell me what to check
Thank You
terrybbagit
winoguy17
592 posts
 
Periods and commas are your friend.
lak's avatar
lak
3,516 posts
 
I'd recommend contacting Audio Research to hear what they have to say. They have been very helpful to their clientele.
czarivey
4,494 posts
 
few solutions: upgrade switch to more reliable one or use switch in your power supply or disconnect from the wall.
jea48
2,944 posts
 
I've replaced the switch twice which both times worked for a while and then the same thing
Terrybbagit
Replaced the switch twice?
Replaced the switch twice in the ARC VT100 or in the power conditioner?

If you mean the switch in the power conditioner you should be using the power switch on the ARC VT100 to turn the amp on and off. The amp may have circuitry that limits start up inrush high current incorporated in the amp's on/ off switch circuitry. Check with ARC.

Also should mention the power switch on the ARC is a snap switch and should be operated in a fast action motion whether turned on or off. The faster the action the better to help limit arcing of the contacts, especially on turn off. Excessive arcing will burn up the contacts and the switch will fail prematurely. In some cases the contacts can/will arc welding the contacts together. In this case operating the switch handle will not open the contacts breaking the circuit.
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