Question about Crate SPA1600 Power Amplifier - SPA Series Car Audio Amplifier

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I purchased a G120CXL at a local music store on consignment for $225.00. After using it for around 10 hours, the volume started to drop off until it would get quieter until it made no noise at all.. A friend whom owned a crate "stack", and had the same problem. Upon further troubleshooting, I found the problem to be the Transformer that powers the 2-12's in the cabinet. When it gets hot, it fades into non-existance. At first, I would let it cool down, and a few minutes later it would work again for a short time, then stop again. I have tried most of the avenues to get this problem solved. The specs are 500watts, 120 volts at 60 htz. The part numbers on the part are: 94-114-01 E.I.A. 682 89 25. This is on the back plate of the transformer. On the "wired" side it has EG594. I have been unable to find a comparable transformer to run my amp, and am unable to find a manufacturer that carries a comparable unit to replace it with. I've thought about putting a car amplifier w/ a 12 volt adapter to power the speakers, but would much rather replace with original parts...I reside in Woodland, WA, which is approximately 20 miles north of Portland, OR. Can you help me locate the replacement part, or something that will work. I really liked the way the amplifier sounded until this problem occured. And would like to use it again, instead of scrapping it. Any help in this matter would be greatly appreciated. Brad Baker, P.O.Box 659, Woodland, WA 98674. Or leave a responce at radster723165@yahoo.com. Thank you for your assistance in this matter.

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  • 67 Answers

Put a small high speed fan on circut. Install directly n amp. Beside fan trans 1inch from trans

Posted on Aug 26, 2013

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6ya6ya
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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
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Posted on Jan 02, 2017

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SOURCE: noisy/buzz

Usally a ground loop isolator will fix that problem. It plugs into the RCA's between the radio and the amp.

Try to reground the amp in a different spot.

Or run a refrence ground from the deck to the amp next to the remote turn on wire. (still keep your main amp ground hooked up)

DO NOT run your power wire next to the RCA's, that will induce a field which in turn can cause that buzzing sound.

Posted on Jun 03, 2009

  • 73 Answers

SOURCE: Intermittent shorts in a Crate Limo TX50DE Guitar

turn that ****** on and get a can of freeze spray. coming and going type issues is usually related to a failing electrolytic capacitor. there may also be a bad mosfet, rectifier, diode, etc. i would be suspect to caps. schematics probably only available thru crate and you have to pay a couple bucks, but trust me its worth the couple bucks spent and having it on its way than wasting hours online not getting anywhere. by the way i checked my sources and came up with nada.
yostamplifier.com

Posted on Jan 21, 2010

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SOURCE: I have the all tube Crate TV-120. When I turn it

This is a guess: I suspect the bypass switch on that effects loop jack is causing a problem. These jacks cause a lot of problems. The switch passes the signal through if there is no plug for an effects in the jack.

You can SOMETIMES tighten up the contact to restore the jack. You have to disassemble teh unit to get at it of course.

Posted on Jan 23, 2010

drifterK
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SOURCE: This is a bit weird.

THis is a 2 channel amplifier..so that it is not a 3wire out-put ..but a different channel ..and even has different input for it ...for a stage monitor ..you only have to get the signal from the channel already working ..The 3 wires is just a classic balanced out-put ..(left ..and right ..the one that it is plugged for both speakers will be the gwd ..and the others left and right ..) If you want to be a stereo ..use 2 monitors..if you use just one ..make sure you wire it from the common ground wire..and either left or right ( do not try to wire the left and right together ..either left or right ..will have same power and signal ..unless the balance is used ) The way to wire it ..is just add the bare wire to the plug ..near the other exit..I think it has a screw system for these kinda car amplifiers....By the way ...He used a card amplifier ..usually used for woofer ...cause they are very powerful ..and reliable ...and even portable ..if it is the case..working on 12 V ..and cheaper ..

Posted on Aug 30, 2011

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