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#316983 - 07/28/10 01:50 PM Mixture of 8 ohm and 6 ohm speakers
txfeinbergs Offline
regular

Registered: 07/28/10
Posts: 6
I am sure this is answered somewhere in the forums already, but despite several searches, I could not find it (only a few posts about mislabed speakers).

Anyway, I have the M60's at 8 ohms, the QS8's at 6 ohms, and the VP150s at 6 ohms. What ohm setting should I set my receiver to? I have a choice of 4, 6 and 8 ohms - but I can only pick one value for the whole system. The receiver is a Pioneer VSX-32 (or will be when it actually arrives). Thanks!

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#316984 - 07/28/10 01:54 PM Re: Mixture of 8 ohm and 6 ohm speakers [Re: txfeinbergs]
CatBrat Offline
axiomite

Registered: 08/05/09
Posts: 5932
Loc: Milky Way Galaxy
I'll chime in since I got here first. But it has always been said in these forums to always use the 8 ohm setting. The other options are for government regulation purposes only.

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#316985 - 07/28/10 01:59 PM Re: Mixture of 8 ohm and 6 ohm speakers [Re: CatBrat]
Adrian Offline
axiomite

Registered: 12/27/08
Posts: 6622
Loc: It's all about the location.
Yes, leave it at 8 ohms, using a lower setting will actually limit the power to your speakers(not good).
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#316988 - 07/28/10 02:14 PM Re: Mixture of 8 ohm and 6 ohm speakers [Re: Adrian]
BlueJays1 Offline
connoisseur

Registered: 09/19/08
Posts: 4082
Loc: Porch,enjoying Bombay Sapphire
Hi txfeinbergs,

It doesn't matter if you are connecting 4, 6 or 8ohm speakers to the receiver or a mixture of the above, ALWAYS leave the impedance switch to 8 ohms. For a more detailed explanation on why this is the case, you can find the answer in the link below.

http://www.audioholics.com/education/fre...er-or-amplifier
_________________________
I’m armed and I’m drinking. You don’t want to listen to advice from me, amigo.

-Max Payne

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#316989 - 07/28/10 02:16 PM Re: Mixture of 8 ohm and 6 ohm speakers [Re: BlueJays1]
ClubNeon Offline
connoisseur

Registered: 02/06/09
Posts: 3452
Loc: Western Maryland, USA
One more for effect.

Leave it at 8 Ohms, no matter what speakers you have connected.

laugh
_________________________
Pioneer VSX-1018AH-K, PDP-5020FD, DV-79AVi
Axiom M22s, VP150, QS8s
Sony PS3, surround backs
-Chris

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#316998 - 07/28/10 03:06 PM Re: Mixture of 8 ohm and 6 ohm speakers [Re: ClubNeon]
RickF Offline
axiomite

Registered: 02/26/05
Posts: 5210
Loc: Vero Beach, Florida
Just leave it set to 8 ohms.

grin
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Our Room

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#317002 - 07/28/10 03:18 PM Re: Mixture of 8 ohm and 6 ohm speakers [Re: RickF]
txfeinbergs Offline
regular

Registered: 07/28/10
Posts: 6
So I should set it at 6 ohms? Just kidding! Thanks guys, message received loud and clear!

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#317010 - 07/28/10 06:45 PM Re: Mixture of 8 ohm and 6 ohm speakers [Re: txfeinbergs]
fredk Offline
axiomite

Registered: 12/06/07
Posts: 7223
Loc: Canada
grin You'll fit right in here.
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-------
Blujays1: Spending Fred's money one bottle at a time, no two... Oh crap!

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#317014 - 07/28/10 08:39 PM Re: Mixture of 8 ohm and 6 ohm speakers [Re: fredk]
Ichigo_Kurosaki Offline
devotee

Registered: 06/18/10
Posts: 463
Loc: Japan
Do all receivers have a way to configure the speakers ohm settings?
_________________________
Believe those who are seeking the truth. Doubt those who find it.

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#317015 - 07/28/10 08:59 PM Re: Mixture of 8 ohm and 6 ohm speakers [Re: Ichigo_Kurosaki]
BlueJays1 Offline
connoisseur

Registered: 09/19/08
Posts: 4082
Loc: Porch,enjoying Bombay Sapphire
Originally Posted By: Ichigo_Kurosaki
Do all receivers have a way to configure the speakers ohm settings?


No. Not all receivers have the impedance switch.
_________________________
I’m armed and I’m drinking. You don’t want to listen to advice from me, amigo.

-Max Payne

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#317018 - 07/28/10 10:04 PM Re: Mixture of 8 ohm and 6 ohm speakers [Re: txfeinbergs]
JohnK Offline
shareholder in the making

Registered: 05/11/02
Posts: 10412
Brent, welcome. You're apparently a quick study and will leave it set at 8 ohms. A broader point that could also be made is not to pay as much attention to the nominal impedance that the manufacturers put on a speaker as many seem to do. The impedances of most speakers vary widely as frequency varies(for example, my "8 ohm" M22s vary between about 3 ohms and 20 ohms). The average impedance over the entire frequency range is more significant than the minimum impedance, since it more closely corresponds to the load on an amplifier when playing music than would a test run at the minimum impedance.
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