Massive Vintage UTC E-3717 Power Transformer for Ampex MP-499 Tube Amp 5v 6.3v C

Description

Up for sale here is this vintage UTC E-3717 power transformer.  This is from a vintage Ampex MP-499 record amplifier and power supply / MP-498 playback amplifier.  It was used to run the following tubes (not included): 5U4G, 6C5 x2, 6SN7 x3, 12SJ7, 6J7, VR150, 815.  This should have a nice 5v tap, a 6.3v tap (probably CT), and a high-voltage tap for the 815 tube.  It would be perfect for building a tube amplifier around.  I don't have any specs on it, unfortunately.  This is used with light to moderate wear, and is guaranteed to work.
Please see my pictures for details and measurements.
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I have more transformers and other vintage electronics listed--feel free to take a look!