National Mic Mixer WR-420A - SN 710930 marimba This is the ultra-rare multi-input

This is the ultra-rare multi-input mixer version of the classic US

however this was a mistake as we are now trying to find excuses to keep it for the studio

re-finished & all hardware cleaned

In very clean condition

but a new set from EMS (at £250) might improve reliability

National Mic Mixer WR-420A - SN 710930 marimba This is the ultra-rare multi-inputNational 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