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40-190 swap speaker to permanent magnet
titan1a
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Posts: 83
Threads: 7
Joined: Dec 2015
City: Plattsmouth, NE
#2

02-12-2016, 01:30 AM
I was advised to have the speaker rebuilt. The electromagnetic acts to lower hum. My 37-665B is being rebuilt and I expect it to really sound good.
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RE: 40-190 swap speaker to permanent magnet - by titan1a - 02-12-2016, 01:30 AM



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