Williamdc,
Yes, my MM phono stage has the normal 47Kohm load. The resistor posts on the BentAudio stepups are wired across the secondary. The load is reflected back through the transformer, which in my case is wired for 20db of gain. We are currently using 4,078 ohm resistors, which the cartridge sees as a load of about 37.5. I think this is consistent with your revised calculations, but my partner is the math/science expert. I just do the talking! ;)
---
4yanx wrote,
"On certain LP's that have little bass info and not much in the way of complex mixing, say a female vocalist with an accompanying pirce or tow, things can sound a bit less "thin" using the 300 ohm setting. A slightly reduced soundstage but better front "presentation" of the vocals."
That sounds exactly like increased dynamics at HFs and reduced ones at LFs. The vocalists mid-hi freq's come forward and the LF soundstage info is recessed. I'd expect to hear the same thing on that kind of record. I think we're hearing the same thing.
---
Spinitch, apparently the interpretation of the word "within" differs between Japanese and English. No surprise. If you can get a clarification from a local source we'd love to know!