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Re: Problem with Kens Ring Modulator

2007-10-09 by Richard Hoffmann

--- Andre Majorel <aym-htnys@...> wrote:
> I think that's to be expected. Transformers are
> inherently AC
> devices. They can't pass very low frequencies.

OK, I did a test using a MOUSER Tm018 1:1 transformer
(connecting cables directly to both sides), and indeed
there is a bass loss. However, it is fairly subtle,
about 1 dB down at 30 Hz. Is it possible the
particular combination of 4 diodes and 2 transformers
causes this? When I build a passive ring mod with 2
mouser transformers, the bass loss was huge, the
signal was down at least 10-20 dB at low frequencies
(I didn't measure exactly). With Kens ring mod, it is
a lot better than with the mouser transformers, but
the effect is still there. Can the diodes cause the
bass loss?

Rich




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