GTE Knob - Small

Do you need that extra push over the cliff? The Small sized GTE (Goes To Eleven) Knob can fit onto potentiometers with a 6mm wide shaft thanks to a brass insert with a set screw.

We know that most of you are playing at ten, but with the GTE Knob you can go... one louder.

Note: It goes to eleven.

  • 23.6 x 14.2mm

GTE Knob - Small Product Help and Resources

Core Skill: DIY

Whether it's for assembling a kit, hacking an enclosure, or creating your own parts; the DIY skill is all about knowing how to use tools and the techniques associated with them.


Skill Level: Noob - Basic assembly is required. You may need to provide your own basic tools like a screwdriver, hammer or scissors. Power tools or custom parts are not required. Instructions will be included and easy to follow. Sewing may be required, but only with included patterns.
See all skill levels


Looking for answers to technical questions?

We welcome your comments and suggestions below. However, if you are looking for solutions to technical questions please see our Technical Assistance page.

  • EliTheIceMan / about 11 years ago / 3

    Maybe I am missing something but I see a fundamental design flaw. Don't most pots have a 270 deg range which makes this knob only good for 1 - 9.5?

  • Tshirt / about 11 years ago / 2

    For the uninitiated:

    I am disappointed that these knobs start at 1. They should start at 0. (See video). I was about to buy 10 (or 11).

  • opensourcerer / about 11 years ago / 2

    this is the farthest I've seen sparkfun go with a joke. on more serious matters, if i buy 2 of them, will i have to adjust the value to 121 or 22 loudness?

    • Tshirt / about 11 years ago / 1

      In series you get 22. In parallel you only get 5.5

      • opensourcerer / about 11 years ago / 1

        yes but what if i put it in upside-down? would i have to take the reciprocal of the value i have?

  • Radiohound / about 11 years ago / 1

    Wow! I haven't seen these since the movie Spinaltap. If you aren't old enough to have rented this on Betamax in the 80's .... You need to see this movie to get a full appreciation for "going to 11".

    Awesome find!!

  • JoyMonkey / about 11 years ago / 1

    Never thought I'd openly say this, but I've got knob envy. :-P

  • rileyh / about 11 years ago / 1

    So it doesn't actually change the values of the pot but just gives more devision numbers but doesn't change the rotation of the pot?

  • RocketGuy / about 11 years ago / 1

    Will this work with the rotary encoder? Data sheet seems to imply a standard 6mm, but could y'all try it and advise?

    I want to go to 11 over and over again...

    • BE CAREFUL! You'll have to do some tricky things with code because that's a 12-step encoder and this goes to 11. So, you'd have to program it to be a 13-step encoder, to account for the extra awesomeness.

      • RocketGuy / about 11 years ago / 1

        Thanks for the heads up, I'll make sure to unplug my heaterizer while I do it, just to be safe.

        So that's a yes on mechanical compatibility though?

        • it WILL work, but I personally wouldn't use it. those notched shafts are a pain. you really need a specific knob for them. I'd go with one of our other rotary encoders that just have the plastic knurled shaft instead.

  • Member #119531 / about 11 years ago / 1

    If I put two of these in series then it could go all the way to 121.

  • teachop / about 11 years ago / 1

    Starting at 1 makes them Lua programming compatible...

  • BigJon / about 11 years ago / 1

    Have I missed something. It might have numbers to 11, but it only has 10 divisions. It starts at 1 not 0? So in its minimal position it's already at 1, with 10 steps, one tenth each ? Shouldn't it be marked 0-11 ? So it can go from off to ten then 1 more to 11 !?

Customer Reviews

5 out of 5

Based on 2 ratings:

Currently viewing all customer reviews.

1 of 1 found this helpful:

GTE Knob - Small

Lost an original knob on my Fender Princeton 650, and purchased a few of these to replace the volume knobs, so my practice amp can go to 11. The brass fitting and set screw makes it somewhat adjustable on the D shaped shaft. There is not a 0 mark, but that's ok just because mine never goes to 0... Great little knob, and lets me continue the Spinal Tap saga. #SpinalTapFan #GTEknobfan. Well done Spark Fun.


Nice Quality

Bought these for the 10 position rotary switch because I read they fit. Well, they don't. The switch staff is a fraction bigger. Going to sand it down and should play nicely together.