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I think they were originally used in amps that had a phono stage. The needle on the album would create a very low Hz "rumble" that would tax the amp and speakers.
 

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Quote:
Originally Posted by manau /forum/post/0


is it something you achieve by changing some resistors on your amp or is it a totally different beast?

For most plate amps, yes. Some plate amps have a switch to select different cut-off filters. For pro amps, most have switch settings but they are too high for home theater use. You can also add external filters to do the same thing.


-Robert
 

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not even close.


try and google "infrasonic filter" or "rumble filter" you should be able to get some good info.
 

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Discussion Starter · #10 ·
according to Elliott Sounds Products http://sound.westhost.com/project99.htm


wikipedia http://en.wikipedia.org/wiki/High-pass_filter


qscaudio http://www.qscaudio.com/support/glos...0Pass%20Filter , http://www.qscaudio.com/support/glos....php?section=I




a high pass filter is the same thing than a low-cut filter, the same thing than a bass-cut filter, the same thing than a rumble filter, the same thing than an infrasonic filter...


Mississipi, I am now confused when you say "not even close".


Thanks
 
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