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#1
12-13-2017, 12:13 PM
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Reverb tank problem
Had the reverb tank in my Music Man HD 130 Reverb replaced by a repair shop a few years ago. It never sounded right, shrill and cant turn it up past 1 without massive reverb. I just opened it up and found an Accutronics 4EB2C1B tank. I don't think those are meant for MM amps but has the same impedance's as the 4FB3D1B made for MM amps. and then there are the 4FB3AiB tanks as well. Maybe he hooked it up wrong?
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___________________________________________ 1933 Gibson L-00 2007 Taylor 110 2013 Taylor GS Mini 2018 Eastman E10M 1977 Sigma DR-9 2012 Republic Miniolian 2016 Recording King ROS-G9M 
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#2
12-13-2017, 12:58 PM
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It’s really too bad you don’t have the original tank so that you could determine input and output inmpedance. They probably put in a unit with different impedance. See if you can find what impedance your amp needs.
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1969 Framus Solid Body Electric 1969 Schaller KV25 Amplifier 1997 Mexican Strat 2017 Les Paul Tribute Model Bugera V22 Tube Amplifier 1969 Oscar Teller Classical Martin DRS2 Yamaha FG700S
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#3
12-13-2017, 01:05 PM
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post your situation on the tele forum in the amp section. you'll get more responses there. here is the link to the forum. you'll have to register to post if you aren't already.
play music! http://www.tdpri.com/forums/amp-central-station.11/
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2014 Martin 00015M 2009 Martin 0015M 2008 Martin HD28 2007 Martin 000-18GE 2006 Taylor 712 2006 Fender Parlor GDP100 1978 Fender F65 1968 Gibson B25-12N Various Electrics
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#4
12-13-2017, 01:43 PM
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it was hooked up with the red Rca plug to input and white Rca plug to output. Is that right? should i try and hook it up reversed? would be nice to have a descent reverb sound again--
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___________________________________________ 1933 Gibson L-00 2007 Taylor 110 2013 Taylor GS Mini 2018 Eastman E10M 1977 Sigma DR-9 2012 Republic Miniolian 2016 Recording King ROS-G9M
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#5
12-13-2017, 03:44 PM
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I think that's backwards. Red is usually the return jack on an Accutronics tank.
That tank is not the same impedance as the stock MM tank, either. A 4F tank is twice the input impedance of a 4E. Everything else looks like a suitable match from the code, though.
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"You don't have to be great to start, but you have to start to be great." -Zig Ziglar Acoustics 2013 Guild F30 Standard 2012 Yamaha LL16 2007 Seagull S12 1991 Yairi DY 50 Electrics Epiphone Les Paul Standard Fender Am. Standard Telecaster Gibson ES-335 Gibson Firebird
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