Adirondack Guitar - The Guitar Garage

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3 Lafayette St., Hudson Falls, NY, USA - Phone 518.746.9500

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Randall RM50B Combo Amplifier - MTS Series

Randall RM50B - A Workingman's Dream! The revolutionary RM50B modular combo provides the flexibility to have any combination of classic to modern tones, simply by plugging in your choice of preamp modules.

Perfect for the weekend warrior, club professional, or studio pro who is looking for an all tube amplifier with multiple tones. It's now possible to build your own personal custom rig with say, a classic Fender® tone, and a hot rodded Marshall® tone in one amp. We'll let you choose the tones with the new RM50B Modular combo.

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Original tone, based on original circuitry
With twelve to choose from, having a new amp is as simple as plugging in a new module. Start with as few as one, or purchase all twelve modules, and have all of your favorite tones right at your fingertips. Stay tuned for additional modules coming soon!!

All modules include two 12AX7 preamp tubes, 3 band EQ w/bright switch, and level control.

Download Module Clips Here!

Randall RM50B Combo Amplifier - MTS Series


2 module
1 x 12" design with 8 Ohm Celestion G12T-75
50 watts 6L6 tube
Master volume
Master density & presence
Spring reverb
Tube buffered parallel effects loops with front panel mix control
Series effects loop
Rear panel bias test points

Celestion Speaker

List price $1099.00 (with out modules)

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Randall RM50B2 Combo Amp with Modules

As above but with Blackface and Plexi Modules Installed

List Price $1599.90

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(Based on Fender® Blackface Twin™)
MP3s: Clean (201k), Grit (240k)
Cranked (230k) Blackface (254k)


Video Demonstration:
MTS Front Features Mpeg (69MB)
MTS Back Features Mpeg (59MB)

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* UPS Ground or USPS Lower 48 States only. Outside of the Continental US, call or Email for prices. * Free shipping applies to Cases and Gigbags when ordered with a guitar, bass, mandolin, banjo, etc. For general information on International Shipping, Click Here