[f iDeL]

Hi guys!
 
I would appreciare if someone here can help create a filter box fo my headphones.
 
What I found so far:
http://vozforums.com/showthread.php?t=2247862
http://www.rock-grotto.co.uk/HD681.pdf
http://rockgrotto.proboards.com/index.cgi?board=review&action=display&thread=4769&page=38
 
Those are some mixed up hd681 & hd668b filter mods and I cannot figure it out...
So basically what I want is someone that understands those thinks to help me 
with wthat exactly I have to buy and how the [size=small]schematic has to be in order to create the filter box![/size]
 
[size=small]Thanks a lot guys![/size]

 

[ericlaw02]

There's a schematic designed for the HD668B on Rock Grotto if that helps:
http://rockgrotto.proboards.com/index.cgi?action=display&board=review&thread=4769&page=34#96128
 

 

[f iDeL]

Thanks a lot! You've been very helpful!