pico stepped controls

Construction information for DIY projects, including the MS Mid Side Matrix, Elliptic Equalizer, Mastering Console, Phono Transfer System, Insert Switcher and the Dual Class-A Amplifier. You can post your baby pictures here.
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skal1
Posts: 5
Joined: Wed Aug 19, 2009 1:24 pm

pico stepped controls

Post by skal1 »

ok, so i am dipping my toe's into mastering, and i was wondering if i could convert my variable pot pico to a stepped affair.

i know roger has got these on the road already so i it is doable .


First questions are what are the range;s of the ratio ,makeup,threshold , attack and release pots.

what maths do i need to do to work out the range on a stepped switch.

Would i have to change any resistors on the main pcb ,to set the range for the stepped pot's.


cheers

skal
emrr
Posts: 570
Joined: Sun Mar 02, 2008 10:27 pm
Location: NC, USA
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Re: pico stepped controls

Post by emrr »

Convert the values of the existing threshold and makeup pots to stepped pots. Sort out the step size you want and measure the existing pot value for given steps to determine fixed resistor sizes.
Ratio you can probably just divide up any way that seems desirable in terms of step size, the point being repeatability.
Attack and release have not had stepped pots in any releases.
Best,

Doug Williams
Electromagnetic Radiation Recorders
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