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Newer page: version 8 Last edited on January 19, 2018 11:20 am. by
Older page: version 7 Last edited on May 25, 2008 8:48 am. by
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 I used the Trek II and modified it not only because of the good design but the ease of the modification. By replacing and adding only five components (resistors and capacitors) now I have a 800 Hz electronic crossover with 12 dB per octave roll-off. It uses the Leslie's power supply which is a less of a hassle. The 
 instruction that are supplied with it are clear and easy. 
  
 !! The parts to alter the Trek II LC0-1 are: 
+  
+Warning! |  
+ A reliable source has reported that the component values listed here  
+ will result in a crossover frequency of 80 Hz rather than 800 Hz.  
+ Please double-check the calculations before attempting the modifications described here.  
+ (Not having access to the full schematic for the LC0-1, I can not check  
+ the calculations myself.) -- JeffDairiki  
  
 1) 28K ohms 1/4 watt. mouser pt# 271-28K min order of 10 @ $.09 each 
  
 3) 14K ohms 1/4 watt. mouser pt# 271-14K same min order & price 

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