AMT SS-20 - Studio Series 3-channel Tube Guitar Preamp (+ power supply 12V with EU plug included!)
AMT Electronics: SS-20 Les Paul direct.,DALLAS' GEAR REVIEW: AMT SS-20 Guitar Tube Preamp Pedal,AMT SS-20 - Studio Series 3-channel Tube Guitar Preamp (+ power supply 12V with EU plug included!),AMT SS-20 - Studio Series 3-channel Tube Guitar Preamp (+ power supply 12V with EU plug included!)