[sdiy] reverb

[Romeo Fahl]

On Dec 30, 2006, at 2:24 AM, JH. wrote:

>> 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 think it's the accutronics 1FB2B1D.

>
> 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?)

Interesting, but there aren't many of us who have a frequency  
shifter, let alone two of them!

>
> * 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.
>
>
>