Question/Problem
Outstanding HDF Member
Joined: Nov 2014
Posts: 2,267
Likes: 135
From: Midland Twp, MI
Could the amp be getting too hot? I know my B54 would get pretty warm when I had it bridged to 6x9s, even when set conservatively aft 150W, but it also never cut out like that. Just a thought.
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Outstanding HDF Member
Joined: Jan 2014
Posts: 2,482
Likes: 239
From: Minnesota
I think the amp gets a little warmer with these speakers than previously but not nearly as hot as the pbr I used to run. Not sure how heat sensative this amp is.
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Outstanding HDF Member
Joined: Jan 2014
Posts: 2,482
Likes: 239
From: Minnesota
I think you should go back in with a DMM and a 1000hz test tone with all settings flat at 3/4 volume and reset the gains at about 28.3 target voltage. Then I would check your battery and charging system to make sure your amp is getting enough juice. More often than not when the speakers are only cutting out at high volume the amp isn't getting enough juice. The way to check is put your bike on a battery charger. I mean a real charger not a trickle charger!! Crank it up and see if it still cuts out. Bike off. Try that and get back to me. 
Ultimate HDF Member
Joined: Oct 2012
Posts: 6,621
Likes: 412
From: Indianapolis IN.
Well that's a game changer!! You got some loose wires somewhere. Gonna have to track it down. Bike running = Vibration. Nuff said.
Road Warrior
Joined: Dec 2012
Posts: 1,690
Likes: 246
From: Lakeville, MN
What do you have the accessory/amp turn on tied into? It sounds like the amp is getting up into the party volumes and saying "nope" which then says power supply. If you spliced into the cig lighter wire it's entirely possible that it's not capable of those upper end draws. The solution then is to get this: HD Y adaptor for Rushmore accessory power 69200921 from the dealer and click into the harness that is made to power additional accessories (like an amp draw).
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Outstanding HDF Member
Joined: Jan 2014
Posts: 2,482
Likes: 239
From: Minnesota
What do you have the accessory/amp turn on tied into? It sounds like the amp is getting up into the party volumes and saying "nope" which then says power supply. If you spliced into the cig lighter wire it's entirely possible that it's not capable of those upper end draws. The solution then is to get this: HD Y adaptor for Rushmore accessory power 69200921 from the dealer and click into the harness that is made to power additional accessories (like an amp draw).
Ultimate HDF Member
Joined: Oct 2012
Posts: 6,621
Likes: 412
From: Indianapolis IN.
Well that's goes back to my first assessment. Reset the gains with a DMM. We're kind of all over the place here bro. Have to go back to basics. Start with resetting the gains with a DMM. 1000hz test tone. HU set to flat. 3/4 volume.
Banned
Joined: Dec 2016
Posts: 1,177
Likes: 196
From: Miami, FL
bike on means higher input voltage, means the amp puts out more power and could be clipping. The hotter the amp gets the lower it will play, and the sound quality will also decrease. That amp gets pretty hot when pushed bridged.
