The Synergy Diezel Herbert Preamp Module is designed to be used with Synergy's modular hardware systems.
It offers authentic "bone-crushing" sound for hard rock and modern metal, with per-channel Gain/Volume controls, a global 3-band EQ, and per-channel Mid-Cut switches and knobs for detailed tone shaping. The module is designed to fit into Synergy's modular preamp systems, providing access to Peter Diezel's signature sound in an interchangeable format.

CATHODE SELECT SWITCH
This three-position switch allows you to configure the input tube bass response to match the original circuit of the selected module. This will affect the feel and tightness.

• Authentic Diezel Tones: Captures the tight bottom end, percussive attack, and superior articulation of the original Herbert amp.
• Two Channels: Features separate "blue" and "red" channels, each with independent gain and volume controls for versatile rhythm and lead sounds.
• Global EQ & Mid-Cut: Includes a universal three-band EQ and per-channel Mid-Cut switches with level knobs for precise tone sculpting.
• All-Tube Design: Uses dual 12AX7 tubes for an authentic all-tube tone.
• Modular Plug-in System: Designed to easily install and remove from Synergy's compatible amplifier platforms.
• Cathode Select Switch: A three-position switch allows for adjustment of the input tube's bass response, affecting the module's feel and tightness.
• Designed by Peter Diezel: The module's circuitry was custom-designed in collaboration with Peter Diezel himself to ensure tonal accuracy.

• Synergy Diezel Herbert Preamp Module
• Manufacturer Warranty