Resonance Mod

Discuss mods, hacks, tweaks, etc.

Moderators: altitude, adafruit_support_bill, adafruit, phono, hamburgers

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isak
 
Posts: 835
Joined: Wed May 27, 2009 3:54 pm

Resonance Mod

Post by isak »

Hi Guys.

just wanted to share a some kind of a mod to the reso for those who dont want to do the reso boost mod and still want the gentle whistle that close to the 303 reso sound.
while building a x0x (the 10th x0x i think :) ) i always pic R97 (10k) to be the lower i can find among the 10k's batch to have a the famous whistle of the 303.
so i was thinking that i'm wasting time checking etch resistor, i put a trimmer instead R97 and fine tune it to the exact position before the hard whistle.
very happy with the results.

thats it, hope it can help some one.

cheers,
Isak E.

Gaetano
 
Posts: 158
Joined: Tue Dec 18, 2007 2:15 am

Re: Resonance Mod

Post by Gaetano »

Yes that does work, I can verify also; ironically I tried a 20k pot and the best result I got was a metal film 9.09k! Although a trimmer is a better idea, as all 303/x0xen will vary somewhat.

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