AKG Acoustics BX 5 Stereo Reverb Unit Effects Pedal Here is a fairly recent

Here is a fairly recent interview with Ernie Isley explaining the sound

In excellent working order and sounds fantastic

12 Mic Amp + EQ

stereo output on one connector (two balanced channels sharing a ground)

AKG Acoustics BX 5 Stereo Reverb Unit Effects Pedal Here is a fairly recentThe mighty AKG BX 5 Stereo Spring Reverb. Three switchable decay time options plus very versatile sound sculpting EQ section. Sounds great love this box. See below for Instagram demos of another of these. Serviced and in perfect working order. Work included replacement of all tantalum caps and rebuild of power supply and meter. This machine is in excellent condition with only a few minor scuffs and scratches on the case and one knob cap missing. Click