Randall MTS RM4 empty 4-Slot Modular Tube Preamp chassis

Changing my home studio setup, and wanting to pass my MTS RM4 & signature modules along to people who love this system and will get good use out of them.

Purchased new, barely used, and taking up space... This was never gigged and always stored in my temp-controlled music studio. (There are a few surface scratches from being moved around). Comes with Footswitch, 25-foot connection cable (powers footswitch too) and an IEC power cable. Check my other listings, too - I have quite a few MTS modules out there at the time of this listing. Grab them quick, before I change my mind!!

The Randall RM4 is the heart of the MTS (Modular Tube System) platform—a 4-slot modular tube preamp that lets you build a fully customizable, multi-channel rig by swapping preamp modules to suit your exact tonal needs. Load it with any combination of MTS modules (sold separately) and reconfigure your sound at any time without changing your core rack setup.

Designed by the legendary Bruce Egnator for serious studio and touring players, the RM4 offers the flexibility of four independent tube channels in a single rackspace unit, with extensive routing and MIDI capability for seamless integration into complex rigs.

Key Features

• 4 modular slots for Randall MTS preamp modules
• Compatible with the full range of MTS series modules
• Two 12AX7 tubes to buffer the effects loop for premium signal integrity
• Series and parallel effects loops
• MIDI switching capability for channel/module control
• Front and rear inputs for flexible routing
• Rackmount format ideal for studio or live rigs
• Comes with footswitch, 25-foot cable, and IEC power cable