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A Spring Line Reverb Unit |
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From the early 1970's a spring line reverbration unit using record player pick up heads. A fairly simple transistor design that does the job at a fraction of the manufactured item cost.
This was a descendent of delay units from the late 1950's using EL84 valves to drive the springs.

Last updated 3.7.2004
2003-2004 © Maurice Woodhead
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