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Messages - jon_bondy

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1
Preamps and Effects / Re: implementing presets
« on: May 05, 2019, 08:53:46 PM »
@Jazz P Bass:

What do you mean by "it will take a lot more than simple potentiometer changes to get useful presets"?  Can you give me a few examples?

2
Preamps and Effects / Re: implementing presets
« on: May 02, 2019, 10:13:42 AM »
Hi, Phil.  Thanks for your comments.

I found these

https://www.analog.com/media/en/technical-documentation/data-sheets/AD5228.pdf

https://www.analog.com/en/parametricsearch/10982

Seems that one can now setup a circuit board that usually uses a pot, and replace the pots with these circuits.  Should allow fairly straightforward presets.

I'm just playing around with this project.   And it could well evolve.

:)

3
Preamps and Effects / implementing presets
« on: May 01, 2019, 04:26:45 PM »
I'm designing an amplifier based on the Orange Crush series.  The only problem I have with that amp is that there are only two presets (clean and dirty) and the tone controls are shared between the channels.  I want perhaps 5 or 10 presets, each of which uses a different set of values for the various pots.  I could use a huge switch and switch in a bank of pots, but that seems both unreliable and difficult to implement.

Has anyone on this board attempted to implement presets?  What approach did you take?

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