National Mic Mixer WR-420A - SN 710930 marimba We discovered the work of

We discovered the work of Major Adrian Thorpe via the reviews of his discussion-ending early muff clone

In very clean condition

Small blemish in the tolex on the top and the odd scuff

We expect it to be ready to ship by mid February 2017

Scruffy - some damage to knobs

National Mic Mixer WR-420A - SN 710930 marimba We discovered the work ofNational Mic Mixer WR 420A for sale serviced and ready to blow your mind and rip up your speakers. These are serious secret weapons so much so that we had to stop talking about them for a while. Click on the Product Information section below to witness the wildness in action. Dating from the 70s 80s and apparently originally intended for general announcements over school PA systems now more suited to rave in a basement type noises with monstrous drive