5e5 pro power transformer
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davebolden44
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5e5 pro power transformer
Just curious which power transformer I should get to build a stock 5e5 pro. Not 5e5-A. I cant seem to find much information on the original specs or cross references. I have seen somewhere it being said that it is the same as a tweed bassman transformer. Any advice appreciated.
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martin manning
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Re: 5e5 pro power transformer
The Fender schematic has no transformer number, but it does have voltages: 395V B+, 26V on the 250Ω cathode resistor for 104mA, add another 6mA for the preamp tubes. Heaters need 2.7A. A 5U4 rectifier needs 5V at 3A. The Tweed Bassman has ~50V higher plate voltage, and a 5AR4. Maybe this Bandmaster PT would be a close match: [Oops, wrong data sheet... Hammond 290DX]
Last edited by martin manning on Sun Feb 13, 2022 2:56 pm, edited 2 times in total.
Re: 5e5 pro power transformer
Maybe meant an earlier tweed Bassman, eg 5B6 https://el34world.com/charts/Schematics ... _schem.pdf
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davebolden44
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Re: 5e5 pro power transformer
I am not seeing a 5v filament winding for the 5u4 on that one martin
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davebolden44
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martin manning
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- Location: 39°06' N 84°30' W
Re: 5e5 pro power transformer
Yes, that's the right one.
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davebolden44
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Re: 5e5 pro power transformer
Awesome. Thanks again