What is Rumble and Punch in Subs?

teachjava · 06:29 AM

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.

teachjava · 25th August 2011, 09:05 PM

Nobody can help me?

badman · 25th August 2011, 09:08 PM

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.

JoeDJ · 25th August 2011, 09:13 PM

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.

teachjava · 25th August 2011, 09:16 PM

That would make sense. I had some Industrial Klipsch LaScallas and they rolled off about 50hz. I could get "punch" but NO "Rumble".

teachjava · 25th August 2011, 09:17 PM

Quote:

Originally Posted by JoeDJ

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.

Cal Weldon · 25th August 2011, 09:23 PM

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

teachjava · 25th August 2011, 09:33 PM

Quote:

Originally Posted by Cal Weldon

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?

teachjava · 25th August 2011, 09:40 PM

Quote:

Originally Posted by badman

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.

revboden · 09:58 PM

Quote:

Originally Posted by teachjava

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

25th August 2011, 06:27 AM	#1
teachjava diyAudio Member Join Date: Apr 2008 Location: Seattle, WA	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.

25th August 2011, 09:08 PM	#3
badman Custom Title diyAudio Member Join Date: Sep 2003 Location: Sunny Tustin, SoCal	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. __________________ I write for www.enjoythemusic.com in the DIY section. You may find yourself getting a preview of a project in-progress. Be warned!

25th August 2011, 09:23 PM	#7
Cal Weldon Speakerholic diyAudio Moderator Join Date: Jan 2004 Location: British Columbia	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 __________________ Next stop: Margaritaville Some of Cal's stuff \| Cal Weldon Consulting

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25th August 2011, 09:05 PM	#2
teachjava diyAudio Member Join Date: Apr 2008 Location: Seattle, WA	Nobody can help me?

25th August 2011, 09:13 PM	#4
JoeDJ diyAudio Member Join Date: Mar 2011 Location: NY State	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.

25th August 2011, 09:16 PM	#5
teachjava diyAudio Member Join Date: Apr 2008 Location: Seattle, WA	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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