[sdiy] triple concentric pots

[John Mahoney]

At 09:48 PM 5/7/2007, Veronica Merryfield wrote:

>As you might have concluded from my delurk post, as well as doing 
>the synth thing, I am also a luthier. I have been asked to make a few EUBs

I had to Google for it. EUB = Electric Upright Bass. (Remember, on 
SDIY don't usually talk about those carved wood things with the 
vibrating wires.)


>... I have a client that has asked about parametric EQ and several 
>channels to boot. For space reasons, it would be nice to put the 
>boost/cut, frequency and Q on a single concentric pot along with a 
>push/pull switch to turn each channel on and off. I know that some 
>of the better analogue scopes used to have triple concentric pots 
>with push/pull but I doubt these days such pots can be found. I was 
>asking here to double check the collective wisdom.

I see. Of course the client gets what the client wants, where 
possible, but <rhetorical> why does the EQ need to be on-board? </rhetorical>

Does anybody else remember those guitars from the 70s, I think they 
were made by Electra? You could plug one or maybe 2 interchangeable 
effect modules into the guitar. An interesting idea on paper, I suppose.
--
john


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