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Low pass filter for Edgar's Midbass horn

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Posted on April 20, 2015 at 09:26:51
genelex
Audiophile

Posts: 95
Joined: October 16, 2005
 Hello Can you tell me what frequency and order of low pass filter you used with the edgarhorn 80hz horn to intergrate to your subs?
I have a marchand xm44 here and want to try 3 settings to integrate the sub with the midbass horn. The subs are a set of 15 inch woofers in a sealed box like Edgars siesmic jr subs with
and adcom 555 amp .
thanks

 

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RE: Low pass filter for Edgar's Midbass horn, posted on April 21, 2015 at 22:59:18
Don Reid
Audiophile

Posts: 889
Location: Rural NW Georgia
Joined: February 2, 2001
Contributor
  Since: April 1, 2010
 This sort of question is so dependent on the room where the speakers are located, the tastes of the listeners, etc. I think if I were you I would listen to all the possibilities. The best setting is what sounds best to you after hearing much music at various settings.
I dream of an America where a chicken can cross the road without having it's motives questioned.

 

RE: Low pass filter for Edgar's Midbass horn, posted on April 22, 2015 at 08:15:37
Inmate51
 It's not entirely clear if you have one or two subs:

"in a sealed box"

Is it one box, or two? Please say two.

In that case, I would cross them at 120 to 150 Hz, relieving the horn driver of some excursion demands and improving the sound.

Crossover slope will depend on other criteria.

:)

 

RE: Low pass filter for Edgar's Midbass horn, posted on April 22, 2015 at 08:43:30
merdy
Audiophile

Posts: 1624
Location: New paltz,ny
Joined: July 25, 2001
 in the past i have used 100hz at 18db with sub bass horns corner loaded
with br subs i used 70hz at 24db
depends on the driver in the midbass horn as you want the bass to be in phase i have not tried sealed boxes they might be easier
listen to a lot of drum and bass solos the midbass horns should have some attack on the kick drum and not be muddy
hope this helps
Silence is golden duct tape is silver

 

many factors, posted on April 23, 2015 at 10:20:01
Awe-d-o-file
Dealer

Posts: 21037
Location: 50 miles west of DC
Joined: January 10, 2004
 besides just the xover point. Gain levels play a role, the room , your personal taste and the program material. I'd sit in the listening position and have someone else adjust the Marchand and replace modules for freq/slope and not even look at the settings or know which module is being used during the test. Trust your ears, remember you are trying to please you.

Also keep this in mind: the HP and LP xover points don't need to be the same. Here is Magnepans recommended settings for the Marchand you own to back up that statement.

""Maggie 3.6R owners! Unit comes with slopes recommended by Magnepan:

Low Pass: 18dB per octave at 250Hz
High Pass: 6dB per octave at 200Hz""

So play around and have fun doing it!


E
T

ET

"If at first you don't succeed, keep on sucking till you do suck seed" - Curly Howard 1936

 

RE: Low pass filter for Edgar's Midbass horn, posted on May 12, 2015 at 20:29:00
John Sheerin
Audiophile

Posts: 524
Location: PA
Joined: July 28, 2003
 In my experience it's easiest to tune these kinds of crossovers outside to make sure you get a good match between sub and midbass. Then go inside and eq the overall system for balance in the room without changing the crossover filtering.

 

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