2 amps on 1 Dvc subwoofer?

Toast_Master · 5th December 2007, 03:38 AM

Hello people

Ive recently opened a thread up called "2 amps better than 1?" where I wanted to power a dual 12" subwoofer with 2 amps but the ohms on the woofers were not in a very nice way for me to get the highest power uot of them

Is it possible to use 2 of the same amplifier on a dvc subwoofer? (an amp on each coil)

Im asking this because, both my woofers are is the same box without a divider and If remove one of the woofers and covered the hole it left, the single remaining woofer gets its recommended litres and goes a lot lower,

cause then I could sell the other subwoofer

What are the bad points of this?

tinitus · 5th December 2007, 09:32 PM

If I remember correctly it was DanWiggins who adviced AGAINST using 2 amps on a single DVC driver... the result may be total meltdown

Toast_Master · 6th December 2007, 05:01 AM

Hey thanks,

I want to know A little more though,

What if both amps have the same source and are both set to the same settings? I know there are slight component tolerance differences but how will it go?

or is this a bad idea cause I cant see why it will be

tinitus · 6th December 2007, 10:18 AM

Something to do with the amps seeing each other through the voicecoil inductions, dont know exactly how or why, but it is so

AVWERK · 6th December 2007, 09:07 PM

I never heard this before and have been doing this in my HT for about 5 months now....hmmm
I have been testing a single
15" DVC (4 ohm vc each ) sealed sono tube sub with one stereo ESS amp currently and have tried my 2 DIY monoblock Krell 150's with no issues on this same sub

never a hiccup so far

Regards
David

Toast_Master · 7th December 2007, 02:49 AM

So it works well and you cant tell anythings wrong, does it just work like a normal except that theres 2 and theres a lot more power and control

davidlzimmer · 7th December 2007, 03:42 AM

Wouldn't be the same as two channels. One on each VC?

I thought that was the main purpose of DVC.

Wrong?

Toast_Master · 9th December 2007, 04:30 AM

Yeah thats what I thought, but im going one step further, both amps will be getting the same signal so there no difference between left and right

Dan2 · 9th December 2007, 07:27 AM

surely using 2 amps on 1 DVC sub is the same as using 1 stereo amp on the sub??

davidlzimmer · 9th December 2007, 10:15 AM

Exactly!

5th December 2007, 03:38 AM	#1
Toast_Master diyAudio Member Join Date: Apr 2006 Location: Tasmania, Launceston	2 amps on 1 Dvc subwoofer? Hello people Ive recently opened a thread up called "2 amps better than 1?" where I wanted to power a dual 12" subwoofer with 2 amps but the ohms on the woofers were not in a very nice way for me to get the highest power uot of them Is it possible to use 2 of the same amplifier on a dvc subwoofer? (an amp on each coil) Im asking this because, both my woofers are is the same box without a divider and If remove one of the woofers and covered the hole it left, the single remaining woofer gets its recommended litres and goes a lot lower, cause then I could sell the other subwoofer What are the bad points of this?

7th December 2007, 03:42 AM	#7
davidlzimmer diyAudio Member Join Date: Jan 2006 Location: Fairmount, GA	Wouldn't be the same as two channels. One on each VC? I thought that was the main purpose of DVC. Wrong? __________________ Poor stereo mix? Switch to mono! Perfect.

9th December 2007, 10:15 AM	#10
davidlzimmer diyAudio Member Join Date: Jan 2006 Location: Fairmount, GA	Exactly! __________________ Poor stereo mix? Switch to mono! Perfect.

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5th December 2007, 09:32 PM	#2
tinitus diyAudio Moderator Join Date: Nov 2005	If I remember correctly it was DanWiggins who adviced AGAINST using 2 amps on a single DVC driver... the result may be total meltdown

6th December 2007, 05:01 AM	#3
Toast_Master diyAudio Member Join Date: Apr 2006 Location: Tasmania, Launceston	Hey thanks, I want to know A little more though, What if both amps have the same source and are both set to the same settings? I know there are slight component tolerance differences but how will it go? or is this a bad idea cause I cant see why it will be

6th December 2007, 10:18 AM	#4
tinitus diyAudio Moderator Join Date: Nov 2005	Something to do with the amps seeing each other through the voicecoil inductions, dont know exactly how or why, but it is so

6th December 2007, 09:07 PM	#5
AVWERK diyAudio Member Join Date: Jan 2004 Location: OC,Calif.	I never heard this before and have been doing this in my HT for about 5 months now....hmmm I have been testing a single 15" DVC (4 ohm vc each ) sealed sono tube sub with one stereo ESS amp currently and have tried my 2 DIY monoblock Krell 150's with no issues on this same sub never a hiccup so far Regards David

7th December 2007, 02:49 AM	#6
Toast_Master diyAudio Member Join Date: Apr 2006 Location: Tasmania, Launceston	So it works well and you cant tell anythings wrong, does it just work like a normal except that theres 2 and theres a lot more power and control

9th December 2007, 04:30 AM	#8
Toast_Master diyAudio Member Join Date: Apr 2006 Location: Tasmania, Launceston	Yeah thats what I thought, but im going one step further, both amps will be getting the same signal so there no difference between left and right

9th December 2007, 07:27 AM	#9
Dan2 diyAudio Member Join Date: Sep 2005	surely using 2 amps on 1 DVC sub is the same as using 1 stereo amp on the sub??

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