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x0x:vcfmods [2008/05/20 03:09]
subatomic
x0x:vcfmods [2016/01/28 18:05] (current)
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 Perhaps this page could be split out into a grouping of pages soon. Perhaps this page could be split out into a grouping of pages soon.
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 UPDATE: It is a good idea to buffer the waveform output. Use a 0.1uF ceramic cap after the 100K resistor. The Mod works great and is especially good at high resonance levels, so make sure you include the Resonance Boost Mod also! UPDATE: It is a good idea to buffer the waveform output. Use a 0.1uF ceramic cap after the 100K resistor. The Mod works great and is especially good at high resonance levels, so make sure you include the Resonance Boost Mod also!
  
 +UPDATE2 (by [[http://​www.ladyada.net/​forums/​profile.php?​mode=viewprofile&​u=103|subatomic]]):​ that may be true (that 0.1uF being a good idea) however it doesn'​t sound as good...
  
  
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 ==== Increased Filter Low End ==== ==== Increased Filter Low End ====
 According to RobbinWhittle,​ all you have to do is short out R47 (10K ohm resistor) by a length of insulated wire.  Some other x0xers tried it out, and found that mounting a 4.7K ParallelResistor along with R47 works better (giving 3197 ohms resistance). ​ This will also affect cutoff range to a degree. According to RobbinWhittle,​ all you have to do is short out R47 (10K ohm resistor) by a length of insulated wire.  Some other x0xers tried it out, and found that mounting a 4.7K ParallelResistor along with R47 works better (giving 3197 ohms resistance). ​ This will also affect cutoff range to a degree.
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 **Extra results:** **Extra results:**
-[[http://​forums.ladyada.net/​viewtopic.php?​t=5215|Momerath says in this post]] ​that he had good luck using **r46 = jumper / r97 = 8.2k**  ​, and that "6.8k [for r97] was ridiculous if i recall"​.+[[http://​forums.ladyada.net/​viewtopic.php?​t=5215|Momerath says in this post]] ​"here are my suggestions for making a x0xb0x sound just like a 303"  ​**r46 = jumper / r97 = 8.2k** Presumably he added this as default (always on) on his box... Also he says "6.8k [for r97] was ridiculous if i recall"​.
 [[http://​forums.ladyada.net/​viewtopic.php?​t=5215&​postdays=0&​postorder=asc&​start=15|charlie_says confirms it's good]] and says "you tend to get self resonance at the (very) top end but, I don't seem to have lost anything that I had before, and some combinations are definitely fuller. " ​ and  "but overall I think it's worth doing." ​     [[http://​forums.ladyada.net/​viewtopic.php?​t=5215&​postdays=0&​postorder=asc&​start=15|charlie_says confirms it's good]] and says "you tend to get self resonance at the (very) top end but, I don't seem to have lost anything that I had before, and some combinations are definitely fuller. " ​ and  "but overall I think it's worth doing." ​    
  
-Subatomic tried mome's mod, and found that it can be a bit whistly, but good, I went with a pot though so I could tweak. ​ To explain r46... ​ it seems to add more squelch on the accent, it's kinda subtle, but I could notice it most when the cutoff was way down it seemed to let through more resonant "​scream"​ (sounds like "​wow"​)...+[[http://​www.ladyada.net/​forums/​profile.php?​mode=viewprofile&​u=103|Subatomic]] tried mome's mod, and found that it can be a bit whistly, but good, I went with a pot though so I could tweak. ​ To explain ​Mome's use of shorting out  ​r46...  ​It's the  
 +[[http://​www.ladyada.net/​wiki/​x0x/​envelopemods#​increase_accent_range|"​Resonance Increase Accent Range Mod"​]] ​it seems to add more squelch on the accent, it's kinda subtle, but I could notice it most when the cutoff was way down it seemed to let through more resonant "​scream"​ (sounds like "​wow"​)...
  
 ==== VCF External In ==== ==== VCF External In ====
/home/ladyada/public_html/wiki/data/attic/x0x/vcfmods.1211252976.txt.gz · Last modified: 2016/01/28 18:05 (external edit)