I know all of you are going to think I am weird, but I want it to stay on till I turn it off. I hate having to turn the power switch off and then back on all the time, My C50 does not power down and it's the same age as the 452.
Riipoo 3.5mm AUX Audio Cable - 2-Pack 15cm 1/8" 3.5mm TRS Male to 3.5mm TRS Male Stereo Jack Audio Cable Cord for Headphone, Car Stereo, Home Stereo and More (Straight Plug)
Use the trigger cable as posted above that the preamp turns the amp on and off.
Manual turn on without the trigger
But there is also a Auto Off switch if the amp stops getting a signal. You can set that to function or not, Enabled it will shut down after 30 minutes without a signal, Disabled the amps will just stay on.
With your 452 you don't have a switch, you use a short 3.5 to 3.5 from the "IN" trigger to the "Out 1" trigger on the 452 amp to disable the auto off function.
thankjs everyone I had ordered two cables to have the pre remote turn both amp and pre amp off but I broke my shoulder about two weeks after getting the amp, so I hadn't hooked those up yet, the cables AC sent are REALLY long.....but I guess I need to get behind them and attach it thanks to everyone.
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