Rect-O-Verb 50 - Series II Footswitches

Standard Footswitch:
Channel, Reverb & Solo Switches
Cable - Item: 678465

Alternate Footswitch:
External Select Switch
Cable - Item: 678462

Note: Determining a Series I from a Series II Single Rectifier.
Series I amplifiers have a two-position mode switch for Channel 2 labeled "Vintage/Modern".
Series II amplifiers have a three-position mode switch labeled "Raw/Vintage/Modern".