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Concentric Stacked Metal Dome Knob
DescriptionConcentric Stacked Metal Dome Knob - EMG These knobs fit on Bartolini and Aguilar preamps that have stacked (concetric) pots. Fits pots that have a lower shaft or 8mm and upper shaft of 6mm. Top knob is 7/16"(11.1mm) inch tall x 9/16"(14.3mm) inch wide. Bottom knob is 15/32"(11.9mm) inch tall x 3/4"(19.0mm) inch wide with. Top knob sets into bottom knob for a total combined height of 27/32"(21.4mm) inch
Comments from forums and Reddit
Discussed in Double stack knob that will fit on a Nordstrand preamp pot? in the TalkBass community
I frequently use those pots and have had to resort to trimming the top shaft a bit to fit most knobs in a way that makes the stack height appear "normal." To do it is really easy, honestly, I drill a 1/4" hole in some 1/4" thick MDF scrap, push the pot through it, then use a hacksaw to trim the top off (and yes, I can do ... ... more