Author Topic: What is a subsonic filter for GK 13 pin processor used for?  (Read 799 times)

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Offline Elantric

What is a subsonic filter for GK 13 pin processor used for?
« on: March 22, 2016, 01:48:30 PM »
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What good is a subsonic filter for GK 13 pin processor use?

The subsonic filter for addresses a specific problem and may benefit ALL GK-13 gear users with Piezo Hex pickups. (RMC, Graph-tech Ghost, Fishman, LR Baggs)

The Subsonic filter board for GR-55 addresses:

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GR-55 COSM GR-300 patch has too much low frequency rumbles and noises anytime I touch the guitar bridge, and Guitar to PCM and Guitar to MIDI has much mistracking  / wrong notes.

To test if you have the problem, try this patch on the GR-55 "01-3  GR-300 Ctl:+1Oct "  - which uses the COSM Model of a 1981 Roland GR-300 Guitar synth ( Robert Fripp, Pat Methany tone)
Two separate versions of this RMC filter board (with different cutoff frequency filters ) are available for Guitar or Bass. Its essentially similar to the old "Rumble Filter" switch on old phonograph stereos -   RMC OPT-01 subsonic filter board removes low frequency content using six separate active 4 pole filters. 




RMC OPT-01 - GR-55 Internal Subsonic Filter board
http://www.vguitarforums.com/smf/index.php?topic=3236.0



PRIMOVA - GKFX-21 Subsonic Filter Project
http://www.vguitarforums.com/smf/index.php?topic=15681.0


DR_JONESS - Filter/Buffer - GR Subsonic Filter w/ 2 Aux Inputs +Efx Loop
http://www.vguitarforums.com/smf/index.php?topic=9692.0
« Last Edit: September 14, 2016, 07:34:58 PM by Elantric »

 

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