Reply to thread

Message

<blockquote data-quote="John Roberts" data-source="post: 42465" data-attributes="member: 126">Re: Aux 1/2 and 3/4 switchable?While this may be too much info, the mainstream console pot business is at best semi-custom where production lots of potentiometers are variations on different combinations of standard components assembled into custom final configurations. i.e. pick one of several standard shafts (D, round, screwdriver slot, etc), pick from standard resistances and tapers, pick dual stacked, dual independent, etc.&nbsp; Then mix in size, anywhere from 24mm down to who knows how small they make them nowadays? Some aftermarket component sellers order actual production runs of popular parts, to resell individually, as long as there is enough interest and profit margin to justify buying thousands and selling them out onsey twosey, but manufacturers could never afford the cost premium to design in some expensive standard part into a console using hundreds of them. While we all would if practical, it just doesn&#039;t work out that way.&nbsp;&nbsp; This doesn&#039;t even consider the use of unconventional tapers and obscure designs. At Peavey he had multiple custom tapers for good control laws for mic preamps, and I even recall one obscure swept EQ where we fashioned an exotic dual resistive element from a single pot wafer using a split wiper that shunted between two parallel screened resistive tracks on a single substrate. Of course now decades later, try getting those replacement parts. :-(Using singles and a switch instead of a concentric, does improve the chances of getting parts for service, years later. JR</blockquote>

[QUOTE="John Roberts, post: 42465, member: 126"] Re: Aux 1/2 and 3/4 switchable? While this may be too much info, the mainstream console pot business is at best semi-custom where production lots of potentiometers are variations on different combinations of standard components assembled into custom final configurations. i.e. pick one of several standard shafts (D, round, screwdriver slot, etc), pick from standard resistances and tapers, pick dual stacked, dual independent, etc. Then mix in size, anywhere from 24mm down to who knows how small they make them nowadays? Some aftermarket component sellers order actual production runs of popular parts, to resell individually, as long as there is enough interest and profit margin to justify buying thousands and selling them out onsey twosey, but manufacturers could never afford the cost premium to design in some expensive standard part into a console using hundreds of them. While we all would if practical, it just doesn't work out that way. This doesn't even consider the use of unconventional tapers and obscure designs. At Peavey he had multiple custom tapers for good control laws for mic preamps, and I even recall one obscure swept EQ where we fashioned an exotic dual resistive element from a single pot wafer using a split wiper that shunted between two parallel screened resistive tracks on a single substrate. Of course now decades later, try getting those replacement parts. :-( Using singles and a switch instead of a concentric, does improve the chances of getting parts for service, years later. JR [/QUOTE]

Verification