Home Theater Forum - View Single Post - 300-794 amp mod

Ryan Schnacke · 01-16-2006, 10:46 PM

With the Sallen-Key filter architecture used on these amps, you can choose any cutoff frequency and boost you want.

For Fcutoff = 14Hz and Q=0.71 (no boost) use R27=160kohms and R26=80kohms (2 160k's in parallel will work for R26).

01-16-2006, 10:46 PM	#3 of 7
Ryan Schnacke Member Join Date: Feb 2001 Local Time: 07:12 PM Local Date: 01-08-2009 Posts: 1,050	With the Sallen-Key filter architecture used on these amps, you can choose any cutoff frequency and boost you want. For Fcutoff = 14Hz and Q=0.71 (no boost) use R27=160kohms and R26=80kohms (2 160k's in parallel will work for R26).