P Patrick cist New member May 14, 2012 #1 looking for the best offer. They go for around $200 on ebay.
Track Rat Just Your Average Sized Member May 15, 2012 #2 It's a spring reverb tank. They go for around $25.
O omtayslick New member May 15, 2012 #6 I had a '65 Buick with a spring reverb for the rear speakers. Sounded really cool on bumpy roads!