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In Reply to: RE: ELECTRAPRINT Single-Ended Output Transformers, DIY Modifications posted by Palustris on July 16, 2016 at 09:13:55
Palustris
The wiring mod as shown by Drlowmu is for the output transformer not the power transformer as you have shown.
Follow Ups:
The wiring mod pictured above is to a ElectraPrint 5 K to 8 ohm SE output transformer, gapped to do 100 mA. Notice, four lead wires total, two for 5 K primary and two for secondary, which I am guessing is 8 Ohms, 'have not measured it yet to know for sure.The double 16 AWG Mill Spec wire needs to go on ALL FOUR leads, to get the best improvement.
The referenced URL is my modification of a Hammond 274BX, a power transformer which is what I sometimes use to do two stage DC Type 45 SETs.
These mods are WONDERFUL, and it needs to be done throughout the audio chain, so there are no weak links.
An inch of bad wire can ruin the musical experience !! Imagine speaker lead outs of 22 AWG, off an output trannie !! Heck, imagine them IN and OUT, ugh, ... NO thinking in the implementation. Low fi to mid fi...... at best.
EZ to fix , do it thoughtfully !! Practice DILIGENTLY stripping insulation on the cut-off stock lead out wire, and you can execute graft, stock wire wrapped three times around, Wonder Soldered, even closer to the core !!!
Jeff Medwin
Edits: 07/18/16 07/18/16
That is NOT the power transformer. It is a 3K Electra-Print output transformer with multiple output impedance possibilities depending on how you arrange the various windings. There are provisions for 16r, 8r, 4r, and 2r.
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Have Fun and Enjoy the Music
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