Now you can get that classic, lush all-tube Fender reverb! The famous all-tube Fender '63 Tube Reverb Unit has been a staple of virtually every surf performance and recording since the early '60s; blues and experimental players love it too. The Vintage Reissue '63 Tube Reverb unit can be used with any amp to add a whole new flavor to your sound. The '63 Tube Reverb unit features one Groove Tubes 6V6, one 12AX7 preamp tube, one 12AT7 tube, on-off footswitch included and controls for dwell, mix and tone.