This unit is a Phonic Rock-box., It's a fully analog preamp/headphone amp from the 80's. , It's exactly similar to a lot of models that were built in
Creating Hysteria with the Rock-Box
rockbox Welcome To Steve's Music Center !
Rock The Speakerbox
Phonic Rock-box (= Nobels Sound Studio 1 = JHS Rock box = ROSS
Phonic Rock-box (= Nobels Sound Studio 1 = JHS Rock box = ROSS
Creating Hysteria with the Rock-Box
Online Lessons – The Rock Box
Effects – Rockbox
JHS Rock-Box (IM Jan 85)