Specials

This is a wiring diagram for the MTD Saratoga. This preamp is exclusive to MTD and is provided here for reference by MTD Saratoga owners.

MTD Custom Preamp Wiring Diagram

This diagram shows the wiring for MTD Handmade basses after 2013. The preamp setup is exclusive to MTD and is shown here for understanding and repair reference. This is a complicated preamp for professional use only.

Glasser Bass Dual and Single Channel and Violin Diagrams

These are the preamp systems we make for the Glasser Swordtail and active Violin.

Groove Tools by Conklin – Bartolini HR-GTBD-7 Wiring Diagram

This is the preamp in the Bill Dickens Signature Groove Tools 7-string bass designed by Conklin and built by Cort.

Gibson Tobias Growler Reissue Instruction

This is a diagram for the new reissue EQ preamp harness for the Gibson Tobias Growler bass. This is an elaborate setup that provides a separate EQ for each half of a single quad-coil MM52CBJD3 pickup. This harness is not on our retail list, but if you need one, contact us. We just resurrected this […]

MTD Pre-2013 Special Preamp Wiring

This is the previous version of the NS3TMB-18 preamp system used by MTD Basses.

Surine Basses Wiring Diagrams

This is a special harness we wire up for Surine Basses using the NTCT preamp.