Description
The Synergy Marshall JCM 800 Preamp Module delivers one of the most influential British amplifier tones ever created in a compact modular format. Developed in collaboration with Marshall and based on the legendary vertical-input 2203 and 2204 circuits, the JCM 800 module captures the aggressive crunch, cutting midrange, and dynamic response that helped define hard rock and heavy metal throughout the 1980s and beyond. As with all Synergy modules, this unit requires a compatible Synergy host such as the SYN-1, SYN-2, SYN-20IR, SYN-30, or SYN-50 to operate.
The JCM 800 is Synergy's first three-tube module, utilizing two 12AX7s for the preamp section and a third 12AX7 dedicated to the built-in Zero Watt Poweramp and phase inverter circuit. This design recreates the feel, harmonic bloom, and responsiveness of a cranked JCM 800 at any volume level. Two identical channels provide independent Preamp, Bass, Middle, Treble, Presence, and Volume controls, making it easy to dial in separate rhythm and lead sounds. A three-position Bright switch allows you to tailor attack and top-end response, while the High/Low Input switch recreates the behavior of the original amplifier's dual inputs for everything from classic crunch to higher-gain saturation. A three-position Cathode Select switch further fine-tunes feel and low-end response.
Whether you're chasing classic 80s arena rock, aggressive hard rock rhythms, or the foundation for a modern high-gain setup, the JCM 800 module delivers the unmistakable authority and articulation that made the original amplifier a benchmark. We especially like how the added channel flexibility and built-in power amp circuitry preserve the character of a vintage JCM while making it far more versatile for today's players.
Specifications:
- Type: All-Tube Dual Channel Preamp Module
- Preamp Tubes: 3 x 12AX7
- Channels: 2 Identical Channels
- Controls: Preamp, Bass, Middle, Treble, Presence, Volume (Per Channel)
- Power Amp Simulation: Built-In Zero Watt Poweramp and Phase Inverter
- Bright Switch: 3-Position Bright Cap Selector
- Input Modes: High/Low Input Switch
- Cathode Select Switch: 3-Position Input Tube Voicing Switch
- Compatibility: Synergy SYN-1, SYN-2, SYN-20IR, SYN-30, SYN-50
- Installation: Easy Installation and Removal from Compatible Synergy Hosts
Sku: SYN-MOD-MJCM
The JCM 800 is Synergy's first three-tube module, utilizing two 12AX7s for the preamp section and a third 12AX7 dedicated to the built-in Zero Watt Poweramp and phase inverter circuit. This design recreates the feel, harmonic bloom, and responsiveness of a cranked JCM 800 at any volume level. Two identical channels provide independent Preamp, Bass, Middle, Treble, Presence, and Volume controls, making it easy to dial in separate rhythm and lead sounds. A three-position Bright switch allows you to tailor attack and top-end response, while the High/Low Input switch recreates the behavior of the original amplifier's dual inputs for everything from classic crunch to higher-gain saturation. A three-position Cathode Select switch further fine-tunes feel and low-end response.
Whether you're chasing classic 80s arena rock, aggressive hard rock rhythms, or the foundation for a modern high-gain setup, the JCM 800 module delivers the unmistakable authority and articulation that made the original amplifier a benchmark. We especially like how the added channel flexibility and built-in power amp circuitry preserve the character of a vintage JCM while making it far more versatile for today's players.
Specifications:
- Type: All-Tube Dual Channel Preamp Module
- Preamp Tubes: 3 x 12AX7
- Channels: 2 Identical Channels
- Controls: Preamp, Bass, Middle, Treble, Presence, Volume (Per Channel)
- Power Amp Simulation: Built-In Zero Watt Poweramp and Phase Inverter
- Bright Switch: 3-Position Bright Cap Selector
- Input Modes: High/Low Input Switch
- Cathode Select Switch: 3-Position Input Tube Voicing Switch
- Compatibility: Synergy SYN-1, SYN-2, SYN-20IR, SYN-30, SYN-50
- Installation: Easy Installation and Removal from Compatible Synergy Hosts
Sku: SYN-MOD-MJCM
