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Identifying an Auditorium 23 Step up transformer

Hi, I have an Auditorium 23 Step up Transformer but don't know whether it is the high impedance version - for Denon 103, EMT etc, or the low impedance version for Ortofon SPU. There are no markings that indicate anything on the case. Can anyone help please? Mine has a black earth wire coming from its innards.
Thank You
rogerstaton

Showing 3 responses by rodman99999

rodman99999
6,206 posts
 
@rogerstaton - You might try contacting Don Better Audio, if you've any further questions.        He’s one of Auditorium’s dealers (where I got mine).        https://donbetteraudio.com/accessories/
rodman99999
6,206 posts
 
@dekay -  Thanks for the link!    That's the closest thing I have for printed info, regarding my A23 SUT.      Got nothing with it, when purchased (well, outside of excellent performance).       
rodman99999
6,206 posts
 
I have an Auditorium A23 SUT, designated/purchased for a Denon 103D, that does have a black ground wire.                  Never have seen any further info, regarding how to identify other iterations, so- can’t swear to anything.     Input resistance measures 7.8 Ohms (plus probes/leads).
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