Bourns Pro Audio Pots

The Bourns PDA24 24mm high life potentiometers were designed for use in amplifiers but in our search to find a superior sounding and performing pot we found them to be our favorite. They are manufactured with a brass bushing, metal shaft, a long life carbon element, 24 spline knurled shaft, 3/8″ diameter shaft, a standard torque and come in either audio or linear tapers. Each pot comes with a nut and a washer.

Superior Taper: We found the taper of the Bourns pots to be superior to every CTS pot we tried (even some very expensive custom pots). Whereas the taper every other pot we tried would run from 10 to about 2 or 1.5 and then lose all volume, we found the Bourns pots taper functioned from 10 down to 0.5 before losing all volume.

Torque: Many aftermarket pots have a high torque and feel very stiff but these feel silky smooth as they are turned. The high quality craftsmanship of Bourns is felt from the very first moment you lay your fingers on them.

Tone: We are big proponents of using high quality components to get the best tone you can out of your guitar. We found the tone from the Bourns pots to not only be strong and robust but they also had an added bonus. We had always found the upper mid register of a guitars tone to sound kind of “floppy” when using high gain or overdrive, especially when using a neck pickup. With the Bourns pots we found the upper middle register much smoother and with no flop to it.

24 Spline: With a 24 spline these pots take U.S. spec sized knobs so Gibson knobs will fit but not import knobs such as Epiphones. If you need some U.S. spec knobs check out our hardware page to see our selection of U.S. spec knobs.

3/8″ Diameter Shaft: Be aware that if your volume and tone pot holes are not 3/8″ (9.52mm) in diameter then you will need to open them up for the new pots to fit. Don’t worry this is easier than it sounds and a step by step is available on our Instructions & Diagrams page. The bushing (the threaded part of the shaft) is 3/8″ (9.52mm) long and so this a short shaft pot and will not fit Gibson Les Paul’s that have a thick guitar top.

Audio or Linear Taper: You can choose between Audio taper or Linear taper for the volume pots but we suggest using audio taper for the tone pots. What’s the difference and which one should you use? That depends on you. The Audio taper falls off rather quickly as you volume down with a clean tone (i.e. your tone will drop about 50% from 10 to 8.5 and then smooth out from there) but when using overdrive you can “clean up” your tone without losing volume. As you decrease the volume the amount of drive from your guitar decreases so your overdrive breaks up a lot less and you end up with a much cleaner tone and no real volume loss until you get down to about 3. The Linear taper acts more like you would expect from a volume control giving you a much more even taper as you volume down with a clean tone. When using distortion or overdrive with a Linear taper there is no real discernible volume drop as you turn it down until you hit about 3 and the amount of drive pushing the distortion does not change very much which results with a small amount of change to your distortion. If you like to use your volume pots to clean up your distortion then the Audio taper is for you, but if you want smooth volume control with your clean tone and run your distortion full open, or don’t use distortion at all, then go for the Linear taper.

250K or 500K: These pots are available in either 250K for single coil pickups or 500K for humbucker pickups. The difference in values is that the higher the value the more highs from the pickups will come through. Since single coils are naturally bright the 250K pots are used to bring them under control. Humbuckers on the other hand are darker so 500K pots are used to brighten them up a little. In some cases we have had customers who wanted a darker tone from their humbuckers and so they used 250K pots instead of the 500K.

Tolerance: These pots have a manufacturer tolerance of +/-15%. We have worked with these pots for over 2 years and we have found that the pots still sound and function better with the manufacturers tolerance than other brand pots 10% tolerance.

Turn Around Time

Due to the expansion of our customer base, our turnaround times are 3 to 5 weeks from the time you order. We have recently picked up two guitar manufacturers that we are building wiring harnesses for, and the word of mouth about the quality of our work and customer service has expanded our customer base tremendously. Each kit is built to order, and in the order it was received. It will take some time for you to receive your kit, but it will be well worth the wait, guaranteed! - Bill Brown/owner BCS Guitars.

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