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Bass blockers on an amplified system


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bigmikeww 
Copper - Posts: 75
Copper spacespace
Joined: January 26, 2003
Location: United States
Posted: August 10, 2005 at 9:18 PM / IP Logged  
I got a pioneer 2 ch amp running 2 ohm stereo. getting a little to much bass for me. i have a couple of 22uF 100v crossover capacitors. if i put these on the positive side of each speaker will it cut off more bass? or should i put one per pair? and suggestions or comments would be appreciated
mike
bigmikeww 
Copper - Posts: 75
Copper spacespace
Joined: January 26, 2003
Location: United States
Posted: August 10, 2005 at 9:23 PM / IP Logged  
forgot to let you know that is amp is running my mids and highs.
DYohn 
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Joined: April 22, 2003
Location: Arizona, United States
Posted: August 10, 2005 at 10:32 PM / IP Logged  
If the amp has a built-in high-pass filter that will be more efficient than using bass blockers.  22 microfarads on 4-ohm speakers will do a lot more than block bass, that would create a 6db/octave high-pass filter at about 1800Hz.  WAY too high, and at 2 ohms it'd be in the upper midrange at around 3600Hz!  You want to cut frequencies below about 100Hz.  To do that with a capacitor ar 2 ohms will require 800 microfarads!!!
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bigmikeww 
Copper - Posts: 75
Copper spacespace
Joined: January 26, 2003
Location: United States
Posted: August 10, 2005 at 10:55 PM / IP Logged  
in the amp theres only a low pass filter. when i ordered the filters they were recomended for 3.5, 4, 4x6?
DYohn 
Moderator - Posts: 10,741
Moderator spaceThis member has made a donation to the12volt.com. Click here for more info.spaceThis member has been recognized as an authority in Electrical Theory. Click here for more info.spaceThis member has been recognized as an authority in Mobile Audio and Video. Click here for more info.spacespace
Joined: April 22, 2003
Location: Arizona, United States
Posted: August 10, 2005 at 11:42 PM / IP Logged  
You could try an F-Mod filter if you want, or an electronic crossover.  I'd recoment that before using "bass blocker" capacitors.
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