Synergy OS 2-Channel Preamp Module Tube Preamp Module With 2 X Channels, 2 X 12Ax7 Preamp Tubes, And Dual/Single Switch

Synergy SYN1 Tabletop Preamp Module Dock With Marshall JMP Preamp Module Tabletop Preamp Dock With 1 Module Dock, 1 X 12Ax7 Preamp Tube, Sag

Synergy Fryette Deliverance Module 2-Channel Preamp Module 2-Channel Tube Preamp Module With 2 X 12AX7 Preamp Tubes, Gain I/Gain II Structure,

Synergy Soldano SLO-II 2-Channel Preamp Module Tube Preamp Module With 2 Channels, 2 X 12AX7 Preamp Tubes, Crunch/Overdrive Switches, Normal/Tight

Synergy Fryette Pittbull Ultra Lead Module 2-Channel Preamp Module 2-Channel Tube Preamp Module With 2 X 12AX7 Preamp Tubes, Dual Gain/Volume Knobs,

Synergy Marshall JMP Preamp Module 2-Channel Tube Preamp Module With Per-Channel Vol. 1 And Vol. 2 Controls, 3-Band EQ, Master Control, And

Synergy Morgan AC 2-Channel Preamp Module Tube Preamp Module With 2 X Channels, 2 X Bright Switches, And 2 X 12Ax7 Preamp Tubes

Synergy Plexi 2-Channel Preamp Module Tube Preamp Module With 2 X Channels, Blendable Gain Controls, And 2 X 12Ax7 Preamp Tubes

Synergy SYN2 Rackmount Preamp Module Dual Module Dock - No Module Included Rackmount Preamp Dock With 2 X Module Docks, 1 X 12Ax7 Preamp Tube, Sag

Synergy Friedman DS 2-Channel Preamp Module Tube Preamp Module With 2 Channels, 2 X 12Ax7 Preamp Tubes, And Dual/Single Switch

Synergy Bogner Uberschall Preamp Module

Synergy BMAN 2-Channel Preamp Module Tube Preamp Module With 2 Channels, 2 X 12Ax7 Preamp Tubes, 2 Tight Switches, And 2 Bright Switches

Synergy 800 2-Channel Preamp Module Tube Preamp Module With 2 Channels, 2 X 12Ax7 Preamp Tubes, And 2 Bright Switches