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OTL Asylum OTL, Output Transformerless Amplifier User Group. |
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In Reply to: Phono Step-up Transformer posted by throwback on July 15, 2021 at 16:42:24:
-make sure that you pay attention to the proper loading for it.
In some cases the loading will be simply hooking it to the preamp. In other cases such as the Jensen we use, there is a specific loading network of a resistor and capacitor in series that will be needed on the cartridge loading terminals. Jensen has that information on a pdf.
0.23mV is indeed a bit low for the MP-3. Your input 12AT7 tubes (the two by the rear panel) really have to be quiet for that to work. If loaded right the SUT will work quite well. BTW, the Jensen has multiple windings so it can be configured for different gain settings (which also affects the loading). We usually use the lowest gain setup we can for them as they mess with the sound the least that way.
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Follow Ups
- Whatever stepup you get - Ralph 11:14:22 07/16/21 (1)
- RE: Whatever stepup you get - throwback 14:40:50 07/16/21 (0)
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