PRS SE 245 by JEL 550k Potentiometers .022 uF Vitamin Q Capacitors NOS

10 Day Build and Test Time

Jackson Electronic  Luthier ®

550k ohm Ω Short Shaft Centralab 550k Audio

Note: Does not come with 3-way switch or jack

PRS SE 245 ® Type Wiring Harness 50s Style Wiring Harness

Rare Sprague Vitamin Q PIO .022uF Caps


Centralab™ Potentiometers

The Holy Grail of Potentiometers is back (Afterv40 Years).

"In the late 50s (Golden Age of Guitars) Gibson (and others) used potentiometers  by US maker Centralab ™.” The audio taper of these “Holy Grail” of potentiometers have since  become synonymous with the perfect taper. It's pretty steep on top  (great to "switch" from lead to rhythm) and musically to the end. No  wonder people pay $150 to $600 or more for a single vintage potentiometer.

After 40 Years Centralab™ has agreed to put these back into producton. They are 550K Audio. 24 Fine Spline.™


Yellow Varnish Spaghetti Tubing


These Caps are the Masterpiece of Sprague and in the Lineage from the Bumblebee. I have them in my ES-335. The tones are unbelievable. This is a Harness for the Very Serious Guitar Player who is a Tone Chaser.

All Materials assembled as 50s Wiring 50s Volume.

Sprague Vitamin Q's are among the highest quality PIO "Paper in Oil"capacitors around. Hermetically sealed metal body with glass ends. The oil used by Sprague in Vitamin Q's is a proprietary blend that makes it unique among paper in oil caps. .022 uF is common value in Gibson® and Gibson ® -style guitars using Humbucker pickups. Highly sought after and increasingly hard to find.

All Harnesses come signed with Individual Serial Number.





Wired with 20 AWG Bus Wire

Comes with Instructions

Build is a 5% Tolerance Build which produces a Superior Tone than a 10% build tolerance.

If you’re in doubt ask the Harness Maker what their Tolerances are and can you see their test reports.

Many Builds are 10% Tolerance and some are even 20% Tolerance.


VIPots (Centralab Spec)Potentiometers and Vitamin Q PIO Capacitors, as well as all materials used, Comes With Complete Test Reports and Specifications and Instructions.

The Capacitors are 0.022uF at the neck and .022uf at the bridge.

The Harness is Tested Using Advanced Audio-Metric Software feed to an AC30 HW Vox Amp.

Many Harness Makers only Tested for Continuity.

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