Synergy Soldano SLO 2-Channel Preamp Module - Used

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This used Synergy preamp will ship insured and inspected from Rapid City, SD. This module is in excellent condition, with a couple of very light scratches on the bottom of the unit, and a missing instruction pamphlet.

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Experience the legendary high-gain tone that redefined rock guitar with the Synergy Soldano SLO 2-Channel Preamp Module, available now at Haggerty’s Music. Born from Mike Soldano’s groundbreaking Super Lead Overdrive design, this module delivers the unmistakable voice that shaped everything from ‘80s hard rock to modern high-gain precision.

Faithfully designed by Mike Soldano himself, this all-tube preamp module captures the thick, harmonically rich distortion, tight low end, and singing sustain that made the original SLO-100 a benchmark for boutique amplification. With two footswitchable channels, players can move seamlessly from punchy, articulate crunch tones to soaring, fluid lead sounds. Each channel features its own gain and volume controls, while a shared three-band EQ allows for intuitive tone shaping across both voices.

Built for the Synergy modular system, the SLO module offers authentic tube performance in a compact, flexible format — no modeling, no compromises. Whether you're chasing classic hard rock tones, modern metal aggression, or expressive lead work with endless sustain, this module delivers the unmistakable Soldano character with the convenience and versatility today’s players demand.

Features / Specs

Highlights

• Type: All-Tube Preamp Module
• Channels: 2 Switchable Channels
• Design: Interchangeable Synergy Module

Electronics

• Preamp Tubes: 2 x 12AX7
• Controls (Per Channel): Gain, Volume
• Shared EQ: Bass, Middle, Treble
• Channel Voicing: High-Gain Crunch / Lead

Functionality

• Tone Profile: Soldano SLO-Inspired High-Gain
• Switching: Dual Channel Operation
• Integration: Compatible with Synergy Modular Systems

Construction

• Format: Modular Preamp Cartridge
• Dimensions: 5.5" (L) x 7" (W) x 1.5" (H)

Miscellaneous

• Accessories: Original Packaging
• Serial Number: 10070624050