via this auction"Up for auction is a rare BODE 742XR "Feedback Stabilizer". Apparently, this is a variation on Harold Bode's "Frequency Shifter" design (as used by Moog in the coveted Moog modular series).
This version was originally geared towards feedback suppression applications (hence the name), and was generally used for live sound situations. I'm told that it has potential for modification into the "frequency shifter" zone, but, haven't really looked into it further. I DID, however, put signal through it, and it does seem to alter the audio (a phasing "tremolo" effect, of sorts), albeit subtle. The potential for modding it to do more seems to be there, but I'll leave that for the next owner to figure out. Generally, it does seem to work as originally intended, but could probably use calibration.
On the back are two empty sockets for line input/output transformers, which were offered as an option (which would be accessed via the barrier strip on the back of the unit) but are not necessary to the functioning of the unit, as the inputs and outputs on the front are the "normal" connections. Here's a link: http://www.vasulka.org/archive/Artists1/Bode,Harald/FeedbackSynth.pdf"
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