Mesa Royal Atlantic 100

Fantastic head in great condition. Speaks for itself.

Key Specifications
• Power Output: 100 watts, switchable to 50 watts, with Multi-Soak attenuation allowing power scaling from 3 to 100 watts per channel . 
• Power Tubes: 4 x Mesa EL-34 (switchable to 6L6 via rear panel bias switch) . 
• Preamp Tubes: 6 x Mesa 12AX7, 1 x Mesa 12AT7 . 
• Channels & Modes: 2 channels with 3 footswitchable modes:
• Channel 1: Clean
• Channel 2: Vintage Lo-Gain and Vintage Hi-Gain .  
• Reverb: All-tube, long spring reverb with global control and assignable defeat switch . 
• Effects Loop: Fully buffered with automatic true-bypass when not in use . 
• Footswitch: Included 2-button footswitch for channel and mode selection . 
• Cooling: Fan-cooled with high/low speed switch . 
• Dimensions: 11” H x 26 3/4” W x 11 3/4” D 
• Weight: Approximately 53 lbs (24 kg) . 

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Notable Features
• Multi-Soak Attenuation: Each channel features a 5-position power attenuation switch (-16dB, -12dB, -8dB, -4dB, 0dB), allowing for scalable power ratings and enabling cranked tones at lower volumes . 
• Bias Select Switch: Allows for easy switching between EL-34 and 6L6 power tubes, providing tonal flexibility between British and American voicings . 
• Slave Output: Equipped with a level-controlled slave output for direct recording or feeding additional power amps . 
• True Bypass Options: Both the reverb and effects loop can be completely bypassed, removing associated circuitry from the signal path for a purer tone .