Rare unit from Carlsbro. reverb works on all inputs. Has the original cover.
Vintage Hammond Spring Reverb Unit Assembly ER-20
Spring Reverb with Electronic Circuit - Spring Reverb with Electronic Circuit
Vintage 1960’s Gibbs 2-spring Reverb Tank for Guitar Amplifier
Yamaha EM-90 Vintage Analogue Beatbox Drum Machine Mixer W/ Spring Reverb 100V
SPRING REVERB 1970s mod. 003.930.861 VINTAGE AMPLIFIERS OR ORGANS
