[sdiy] Tube ring mod working is

[John L Marshall]

Tim,

Silicon diodes have that sharp knee. They don't work too well in this
application.
Germanium diodes should work much better.
Tubes have that nice sloppy knee. They should work great.

Did you match the diodes?

Take care,
John
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Pacific Northwest Synthesizer Meeting
August 9, 2003
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----- Original Message ----- 
From: "Tim Ressel" <madhun2001 at yahoo.com>
To: "Synth-Diy" <synth-diy at dropmix.xs4all.nl>
Sent: Friday, June 13, 2003 5:27 PM
Subject: [sdiy] Tube ring mod working is


> Oy,
>
> To celibrate friday the 13th, I have a working proto
> of a tube ring modulator. It uses two transformers and
> two 6AL5s, along with some opamps.
>
> Check it out:
> http://home.attbi.com/~t.ressel/TUBERINGMOD.pdf
>
> mp3s to follow.
>
> Strange thing, with 1N914 diodes the thing didn't work
> all that well. Clipped alot. But the 6AL5s made it
> work very nice.
>
> --Tim
>
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