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Title: Received units that are different than described
Review: The units I received have much smaller shafts for the knobs than the pictured units and the shafts are not grooved to fit a grooved hole in the knob, they have a flat that requires the knob to have a set screw to attach them. The thinner diameter is much less robust and I'm concerned they're going to break off given the kind of use I intend. The pictured units would have been perfect.Additionally I believe, but have not measured to verify, that the units I received are audio taper pots rather than linear. This could be an effect of my circuit, I haven't verified the cause of the non-linearity I'm seeing.The quality is acceptable, the metal case is strong enough and the board is solidly staked down. I give them 2 stars because they are not what I ordered.
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