[sdiy] reverb

JH. jhaible at debitel.net
Sat Dec 30 11:24:15 CET 2006


>The Hot Springs differences the signal from two similar springs to cancel
>out most of the "sproing". Used judiciously it sounds remarkably like a
>plate reverb and still has a uniquely analog character.

I think I must try this!

Found the schemos here:
http://www.paia.com/ProdArticles/hotspuse.htm

Do you know which type of reverb tanks are supposed to be used?

I wonder how good a spring reverb device could be, with enough effort, and 
enough reverb tanks.

Imagine this:

* Reverb tanks used in pairs to get rig of the sproing.

* Two such pairs used with a crossover and two frequency shifters, to 
process the 5 ... 10kHz part
of the signal in the 0 ... 5kHz range where a spring reverb feels 
comfortable. (BTW, would 5kHz
be a good crossover frequency? Or what would be a practical upper limit for 
a reverb tank's
frequency response?)

* Two such contraptions for stereo. Maybe the second set using different 
reverb tanks.

8 Tanks in total, plus 4 frequency shifters.
Frequency shifters would only need a rather small dome filter, for a 5kHz 
range.
And only one quadrature oscillator at 5kHz (or whatever) for the whole box.

How would such a device perform, compared to the better AKG units?

JH.




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