This NOS Royal Atlantic RA 100 head captures the best qualities of the British high gain sound, coupled with a high headroom clean tone. This versatile tone monster has a an easy to use two channel platform that delivers classic rock sounds. This is a custom shop model in lovely British Cabernet covering and Cream Tan Jute Grille. New, out of box, fully warrantied and ready to rock. Pictured with custom Electro-Dyne 2x12 cabinet which is sold separately.
Quick Overview
Wattage
Multi-Soak™ 3 to 100 Watts (Channel Assignable)
Power Tube Type
4x Mesa EL-34 (or 6L6)
Channels & Modes
2 Channels / 3 Footswitchable Modes
Mode Voicings / Styles
Ch. 1 = Clean
Ch. 2 = Vintage Lo-Gain & Vintage Hi-Gain
Graphic EQ / Reverb / FX / Solo
Reverb, FX Loop
Footswitchable Functions
Channel 1/2, Vintage Low/High Mode
Speaker(s) & Impedance
n/a
Weight
53 Lbs.
Dimensions
11" H x 26 3/4" W x 11 3/4" D
Available Formats
Head & 2x12 Combo
Amplifier Features
Amp Type
Tube
Chassis Material
Aluminum
Rectifier Type
Silicon Diodes
Rectifier Tubes
n/a
Variac Power Switch
n/a
Preamp Tubes
6x Mesa 12AX7, 1x Mesa 12AT7
Power Amp Tubes
4x Mesa EL-34 (or 6L6)
Bias Switch for Alternate Power Tubes Types
Bias Select for EL-34 or 6L6
Maintenance Free Fixed Bias
Yes
Wattage(s) Quick Reference
3 to 100 Watts via 50/100 Watt Global Power Switch and Mesa's Proprietary Multi-Soak™, Channel Assignable Power Attenuator - See Power Amp Details for more information
Built-In Power Amp Attenuation
Built-in Mesa Multi-Soak™ Channel Assignable Power Attenuator - See Power Amp Details for more information
Power Amp Details (Class & Wattage)
Class A/B Power with Mesa's proprietary Multi-Soak™ Channel Assignable Power Attenuator that provides each Channel Mode with a 5-position power attenuation switch (-16db, -12db, -8db, -4db & 0db) for Scalable Power Ratings ranging from 3 Watts to 100 Watts
Convection or Fan Cooling
Fan Cooled with High/Low Speed Switch
Number of Footswitchable Channels (or Modes)
Two Channels with 3 Footswitchable Modes
Number of Style Modes
Three
Number of Style Modes Per Channel
Ch. 1 = One / Ch. 2 = Two
Types of Style Modes Per Channel
Ch. 1 = Clean
Ch. 2 = Vintage Lo-Gain & Vintage Hi-Gain
Channel Controls
Each Channel features Independent Multi-Soak Power Controls (back panel) - Channel 1 (Clean) features Gain, Treble, Mid, Bass and Master - Channel 2 (Footswitchable Vintage Lo-Gain & Vintage Hi-Gain) features Gain, Treble, Mid, Bass, Master-Lo and Master-Hi
Graphic EQ and/or Contour
n/a
Reverb / Effects & Bypass Options
All-Tube, Long Spring Reverb with Global Control and Auto Reverb Defeat Switch for Vintage Hi or Vintage Hi & Lo Modes (Defeat Mode removes Reverb from the selected mode or modes - "On" Mode applies Reverb to all Modes) - See True-Bypass Options below for more information
Effects Loop & Bypass Options
Fully Buffered FX Loop w/Automatic True-Bypass which completely removes itself when nothing is plugged into the FX Send and Return - See True-Bypass Options below for more information
Global Output Level Control
n/a
Global Solo Level Control & Bypassable Options
n/a
True-Bypass Options
Reverb True-Bypass Switch removes entire Reverb Circuit from amp (all modes) - FX Loop w/Automatic True-Bypass which completely removes itself when nothing is plugged into the FX Send and Return
Tuner Output
n/a
External Switching Jack Options and/or Midi
External Switching Jacks for Vintage Low/Hi (Clean is default)
Speaker Outputs
8 Ohm / 4 Ohm Switch with Two Speaker Jacks
Cabinet Simulation - Direct Live/Recording Output
Headphone Output
n/a
Slave Output
Yes with Level Control
Product Specs
Condition:Brand New
Make:Mesa Boogie
Model:Royal Atlantic RA-100 Head
Finish:British Cabernet
Categories:Guitar Heads
Year:2011
Made In:United States