Raven Labs PMB-1s

Written By Derek Sulliman

Raven labs PMB-1's 

Repaired 2 of 5 PMB-1s for a great local CT Singer/Songwrighter Jim Carpenter.

Some bad power caps, pushbutton switches & a master vol pot later…Both units working perfectly.

Did my Boss power mod so now they run on standard style power supply. True bypass toggle for battery use. ALL of Steve Rabe’s Raven Labs units are top notch quality with old school thru hole analog components & wiring. Very easy to work on and parts are readily available.

Long Live Raven Labs!!

Derek Sulliman
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Boss Tuner Preamp Mod