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This is my $0.02. Call Arc. Ask for some help. The guys there know their stuff and have always been super helpful. Knowing that you've got at least a grand invested in this, they will certainly get you headed down the right path. You shouldn't need a line leveler. They're gonna ask if you have their harness for high level inputs. Listen to them. They'll get you pointed in right direction. Their website has a tech support phone number. Use it to your advantage. Bypass your tech who obviously doesn't know what he's doing. That setup is tailor made for each other and should be very simple to diagnose over the phone with them.
If you talk to Arc, they'll tell you not to use one. They'll tell you to use their high level Input harness with resistors in it. And to be honest, I had better luck with that route. It provided more consistent sound for me.
See, I love this place. I learn something new all the time. Arc never told me that back then, but then again I had the BT355 first.
When I installed a psm on mine I used speaker lines in. The radio cut out at half volume. Added a pac35 in front of the psm and problem solved. Arc claims some radios will cut out if they don’t see a load.
When I installed a psm on mine I used speaker lines in. The radio cut out at half volume. Added a pac35 in front of the psm and problem solved. Arc claims some radios will cut out if they don’t see a load.
You're correct about the radio needing to see a load. The arc harness has resistors in it which creates the necessary load the radio needs to function.
I understand the resistors take care of the radio seeing a load, but do they flatten out the Boom Eq curve as well? Is that eq curve not as drastic as we once believed ?
Is that why arc says a LL is not required m
Last edited by Dsm Limited; Jul 10, 2018 at 03:34 PM.