The Spring Reverb Tank - Stereoping SPRING REVERB Manual

The Spring Reverb tank

The SPRING REVERB module itself can not produce any reverb. It delivers just the
electronics to drive an external reverb tank and heavily amplifies the tanks weak
output up to line levels. For desired operation you need to attach a reverb tank to it.
This tank was either delivered with your module or you ordered the module to breath
new life in an old tank, you still had lying around somewhere.
„What tank do i need and which sound best?"
For the development of the SPRING REVERB module we collected about 30 different
tanks with vastly varying Input-/Output impedances, 1, 2 or 3 springs, short or long
housing, brandnew ones and originals from the past, Input-/output-jacks insulated or
grounded ... the result in short:
until now EVERY tank worked right away together with the SPRING REVERB
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module – no matter which impedance or grounding of the input-/output-jacks
tanks with middle high impedanz (e.g. 4BB...) seam to be the best in
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combination with the module, the EQ gets the most out of them. Larger
impedances (e.g. 8EB...) also work well. Very small impedances (e.r. 4AB...) seem
to have a low level and sound a bit flat
a good tank with 2 springs can have a better sound with more density than a
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bad tank with 3 springs
large tanks with long springs (with a „4" at the beginning) must not
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automatically sound better or have a longer decay than short tanks (beginning
with an „8")
the whole quality of the spring reverb sound depends on the quality of your
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tank and it's springs and is – a matter of luck. We got e.g. an old Accutronics
which sounds marvelous. A new rebuild with exactly the same technical data
connected to the same module sounds significantly worse and 'cheaper'.
Each tank sounds different and has different characteristics like density of the
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reverb, frequency range, sensibility to concussion, reverb length – all in all it's a
matter of personal taste. Some like a dense and natural, short reverb, others
prefer the dirty oil tank sound with long reverb.
On our website we have some more information about reverb tanks and many sound
examples.
Manual SPRING REVERB Eurorack V1.3
© Stereoping Germany, Hattingen 03/2015