Pultec/Allen-Bradley Log Taper?

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Clbraddock

Well-known member
Joined
Apr 10, 2021
Messages
153
Location
Columbia, MO
Does anyone know the correct log taper for Allen-Bradley Pultec pots?

I know that the Low Boost control is Allen-Bradley Type JA-1031 (10K log) and the Low attenuate control is Allen-Bradley Type JA-1041(100k log) but I can't find data sheets for either of those.

There is this pic from analogvibes, which looks like it might be 10% log, but can anyone verify 1) that that is correct and 2) that I am reading the graph correctly?
 

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