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Old 25th August 2011, 06:27 AM   #1
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Default What is Rumble and Punch in Subs?

Over the years I have used many subwoofers for DJ/PA use. Some of them had 'Rumble' and some did not. I have always associated 'rumble' with low end frequency response. Is this true? Or is it Xmax?

There is also another item. What is 'punch'? Some subs you feel the punch and some don't.

Last edited by teachjava; 25th August 2011 at 06:29 AM. Reason: Hosed up title.
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Old 25th August 2011, 09:05 PM   #2
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Old 25th August 2011, 09:08 PM   #3
badman is offline badman  United States
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Rumble is either a rumble filter (high pass, cutting out stuff at and below 20 or thereabouts), or a boost at about 30Hz, usually 4-6dB.

Punch tends to come from midbass, 80-200hz range.
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Old 25th August 2011, 09:13 PM   #4
JoeDJ is offline JoeDJ  United States
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As far as I know, "rumble" in a sub/woofer is generally refering to unwanted subsonic frequecies feed to a woofer.

As far as "punch", IMO that is a meaningless marketing term.
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Old 25th August 2011, 09:16 PM   #5
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That would make sense. I had some Industrial Klipsch LaScallas and they rolled off about 50hz. I could get "punch" but NO "Rumble".
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Old 25th August 2011, 09:17 PM   #6
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Quote:
Originally Posted by JoeDJ View Post
As far as I know, "rumble" in a sub/woofer is generally refering to unwanted subsonic frequecies feed to a woofer.

As far as "punch", IMO that is a meaningless marketing term.
Those are just street terms to try to descibe subwoofer qualities.
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Old 25th August 2011, 09:23 PM   #7
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Tight, fast, dry and punchy are all terms used to describe a high transient response woofer which often has a low moving mass, a large motoor and a roll off around 40 Hz.

At least that's what I have gathered in my years of playing with speakers.

Rumble as I understand is the same as badman describes.

Subs have rumble, no punch. PA woofers have punch, no rumble
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Old 25th August 2011, 09:33 PM   #8
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Quote:
Originally Posted by Cal Weldon View Post
Tight, fast, dry and punchy are all terms used to describe a high transient response woofer which often has a low moving mass, a large motoor and a roll off around 40 Hz.

At least that's what I have gathered in my years of playing with speakers.

Rumble as I understand is the same as badman describes.

Subs have rumble, no punch. PA woofers have punch, no rumble
Is it possible to get both in a DJ Woofer?
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Old 25th August 2011, 09:40 PM   #9
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Quote:
Originally Posted by badman View Post
Rumble is either a rumble filter (high pass, cutting out stuff at and below 20 or thereabouts), or a boost at about 30Hz, usually 4-6dB.

Punch tends to come from midbass, 80-200hz range.
Interactive Frequency Chart - Independent Recording Network

Tells about where these things reside. Excellent resource from another thread.
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Old 25th August 2011, 09:50 PM   #10
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Quote:
Originally Posted by teachjava View Post
Is it possible to get both in a DJ Woofer?
not really, for the "punch" first you need a bowl and some fruit...

sorry

the punch is clean output in the 70-180Hz range.. a woofer

the rumble is lower 18-70Hz...subwoofer

build both and you get both.

later,
rev

Last edited by revboden; 25th August 2011 at 09:58 PM.
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