PCB Mania - Sun Beta; lead and bass modes at a flick of the switch. Total DOOM! : r/diypedals
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Olethros Preamp Pedal (Sunn Beta preamp) 1st version - dpFX Pedals
Correct Sound Custom Sunn BETA Lead Preamp Pedal 2018 Black | Reverb
Correct Sound Custom Introduces BETA Bass Preamp Pedal – No Treble
Sunn Beta Lead
Sunn Beta Lead Guitar Amplifier Review | Guitar Jar
