The Synergy OS module is Synergy's tribute to the Dumble Overdrive Special, one of the rarest and most sought-after amps ever made, heard behind players like Robben Ford, Carlos Santana and Stevie Ray Vaughan. The OS brings that sound and feel to the Synergy system at a fraction of the cost and in a far more practical format.

Two footswitchable channels move between the Dumble clean, with its clear, mid-forward voice, and the smooth, singing overdrive that gives the Overdrive Special its name. Bright, Deep and Rock/Jazz switches and a three-band EQ shape the tone, OD Level and OD Ratio set the overdrive, and a master Presence control adds clarity in OD mode. A three-position cathode select switch inside sets the input tube response.

Features

• Overdrive Special-style clean and overdrive channels
• Bass, Mid, Treble, OD Level, OD Ratio, Presence, Master and Volume
• Bright, Deep and Rock/Jazz switches
• Three-position cathode select switch

Specs

Format: Synergy interchangeable two-channel preamp module
Tubes: 2 x 12AX7
Works with: Synergy SYN-1, SYN-2, SYN-5050, SYN-20IR, SYN-50 and other Synergy hardware
Dimensions: 5.5" x 7" x 1.5"
Weight: 1 lb

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