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Transformer - Hammond, Power, 190-0-190 V, 71 mA

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Item ID: 003514
Price: $49.93
In stock
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Size: 43 VA
Dual Primary: 115 VAC, 125 VAC, 60 Hz.
A.C. high Voltage Secondary RMS: 380V.C.T. @ 71mA
Filament Winding #1 6.3 V @ 2.5 A
Filament Winding #2 -


  • Enclosed, 4 hole, chassis mount.
  • Minimum 6" long leads.
  • Units can be run full wave bridge or full wave C.T.
  • Class A insulation (105 degrees C).
  • Hi-Pot test of 2,000V RMS.
  • Conservative designs - CSA certified (209651).
  • NOTE: A production "running change" has been made to the primary winding - effective with August 2009 production.

Choice #1 (115 VAC Input): For those customers who need the 115V input - nothing has changed - simply use the White & Gray wires and tape the Black wire (see above schematic). Choice #2 (125 VAC Input): For those customers who are seeing too high a secondary voltage due to higher primary line voltages (roughly 125V input) - use the White & Black wire and tape the gray wire Caution: NEVER connect power to BOTH the GRAY & BLACK wire - instantaneous destruction of the transformer will result!

UPC/EAN: 623980274607

RoHS Compliant

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Specifications, Files, and Documents

Product Reviews

5.00 out of 5 based on 2 reviews

I'm using this transformer for a DIY high gain preamp build (running 3 12AX7's). The filament winding runs a bit hot (6.7VAC from the 125VAC pri) but works great.

detora - May 7th, 2018

This transformer was a perfect drop-in replacement for the power transformer on a WW-II vintage AM superhet classroom trainer that I am restoring. The set uses a 6x5 rectifier, so not having a 5 volt filament winding was not a problem.

John DeMajo - December 17th, 2014

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