Energy EW-100 Subwoofer transformer - diyAudio
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Old 16th December 2012, 04:16 AM   #1
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Join Date: Apr 2005
Location: Simcoe Ont
Default Energy EW-100 Subwoofer transformer

I have a dead powered sub. The transformer is stamped
042-010078-000ZR. I have no idea what I need to repair or how to determine a value for replacement. Does anybody have a schematic? Can I repair this. There appears to be continuity in the primaries but no output. The amp is said to have 225 Watts secondaries are center tapped.
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Old 16th December 2012, 05:06 AM   #2
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Join Date: Sep 2006
Location: Mar del Plata, a BIG seasonal getaway city, can see the Ocean from our residence.
Look thruout the inside of the unit, use a decent magnifying glass...look very closely ... take lots of pictures, close-ups them here.Someone might have seen such an amp. Sometimes the amp section will have voltages written on the PCB coming in from the PS....EG. +35V -35V
It is a starting point at least...Klipsch will want to repair it for you of course$$...and surely wont tell you the specs on the transformer..nor is their likely a schematic easily available.

__________________________________________________ __________Rick...
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Old 24th January 2013, 12:42 PM   #3
Obrien is offline Obrien  United States
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Join Date: Apr 2011
Default Energy EW-100 Subwoofer Transformer

did you ever find about the transformer voltages, etc? I have a Klipsch that has the exact same problem... an open winding in the power transformer.
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