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Pricey but fit the bill
Bought not for a bass but as the lower part of a dual-concentric knob on a custom amp. In this application it’s almost impossible to find the dimensions of the knob and determine whether it, and the existing top knob will fit. Try to find this information yourself - what a job! I’m writing this review just to provide this information and hopefully make it more accessible to search engines.
The bottom outside diameter is 27,7mm (1,01”). The knob width/height is 8,9mm (0,35”).. The diameter of the top indentation is 19,2 mm to fit a top knob of 19mm (0,75”), diameter snugly inside it.. Basically it’s a 1” bottom knob to fit a 3/4” top knob.
The knob comes with a Torx grub screw (they didn’t always) and fitted my potentiometer shaft only after a little gentle filing with a round needle-point file for a snug fit. I guess this wouldn’t be an issue for it’s intended use on a Fender bass.
Anyway it looks great and does the business. It’s a solid product which I happen to find a bit spendy. The laws of supply and demand I suppose. It is a good knob using all criteria by which you would judge one :)
The bottom outside diameter is 27,7mm (1,01”). The knob width/height is 8,9mm (0,35”).. The diameter of the top indentation is 19,2 mm to fit a top knob of 19mm (0,75”), diameter snugly inside it.. Basically it’s a 1” bottom knob to fit a 3/4” top knob.
The knob comes with a Torx grub screw (they didn’t always) and fitted my potentiometer shaft only after a little gentle filing with a round needle-point file for a snug fit. I guess this wouldn’t be an issue for it’s intended use on a Fender bass.
Anyway it looks great and does the business. It’s a solid product which I happen to find a bit spendy. The laws of supply and demand I suppose. It is a good knob using all criteria by which you would judge one :)
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CC
it is what it is
knob wont fit non USA pots, "import" stack pots are not the right diameter for these but they can be modified if you have a few basic files.
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P
Fender Dual Concentric Lower Knob
Good quality as you would expect from Fender however it did need a small amount of work with a small file to get it to fit a genuine Fender dual concentric pot, also strangley the grub screw needed a smaller hex key than the smaller upper knob and the sizes aren't noted on the packaging the size hex key needed is 1.27mm the upper knob 1.5mm
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