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10-14-2010, 11:41 AM
|  | Gold Supporting Member with a bad case of GAS
Born Again Tubey | | Join Date: Dec 2009 Location: Stuck in traffic -NY & CT | | | 6 speakers - 4 ohms???
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i am in the process of building out a 6 10 speaker cabinet. Question is how does ampeg and swr get the cabinet to be 4 ohms. i believe there is no such thing as a 24 ohm speaker so how do they accomplish such a thing. i can only figure out how to get to 5.67 or 2.67. any help would be greatly appreciated
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10-14-2010, 11:50 AM
| | | | 3 8ohm parallel connected in series with 3 8ohm parallel ? |
10-14-2010, 11:58 AM
| | Registered User
Owner, Bill Fitzmaurice Loudspeaker Design | | Join Date: Sep 2004 Location: New Hampshire | | Quote:
Originally Posted by jumbodbassman  i am in the process of building out a 6 10 speaker cabinet. Question is how does ampeg and swr get the cabinet to be 4 ohms. | Probably with OEM drivers that you can't buy. |
10-14-2010, 12:02 PM
| | Gold Supporting Member with a bad case of GAS
Born Again Tubey | | Join Date: Dec 2009 Location: Stuck in traffic -NY & CT | | Quote:
Originally Posted by waveman 3 8ohm parallel connected in series with 3 8ohm parallel ? |
don't think that would work
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Fodera; Fender; Scrolls; Ampeg ; Eden; Markbass; Wishbass; Warmoth ; Gibson Bass; VTbass; Tbird 76; JAEbird 2; |
10-14-2010, 12:08 PM
| | Registered User | | Join Date: Apr 2006 Location: Rochester, NY | | | I believe they use 6 ohm drivers.
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10-14-2010, 12:15 PM
| | Registered User | | Join Date: Nov 2009 Location: Four Corners, USA | | Quote: |
I believe they use 6 ohm drivers.
| Possible Wiring |
10-14-2010, 12:22 PM
| | Registered User | | Join Date: Jan 2006 Location: Brookfield, CT | | | Those cabs are probably actually 5.3 Ohms. 8 Ohm drivers in a series/parallel arrangement. They tell you it's 4 Ohms so you won't fry your amp.
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10-14-2010, 12:29 PM
| | Registered User | | Join Date: Jul 2006 Location: Lakeside, CA | | Quote:
Originally Posted by jumbodbassman Question is how does ampeg and swr get the cabinet to be 4 ohms. | Ampeg uses 6 ohm speakers in a series-parallel. I believe that Orange County Speaker sells these Ampeg OEM speakers.
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10-14-2010, 12:30 PM
| | Registered User | | Join Date: Jul 2010 Location: Riverside, CA | | | Search other forums. I came accross some very usefull info on this same subject a while back. |
10-14-2010, 12:32 PM
|  | Registered User | | Join Date: Jun 2008 Location: Miami,FL | | | My 6x12 has 8ohm drivers. Didn't look if it was in series or parallel.
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10-14-2010, 12:35 PM
|  | Fingers, pick, and a little bit of slap | | Join Date: Dec 2001 Location: Terrapin country (Crofton, MD) | | Quote:
Originally Posted by jumbodbassman i believe there is no such thing as a 24 ohm speaker so how do they accomplish such a thing. | The original Ampeg 8x10 had 32-ohm speakers. I don't know about the Ampeg 6x10, but the Bergantino NV610 has 24-ohm speakers. |
10-14-2010, 01:16 PM
|  | Registered User | | Join Date: Nov 2007 Location: boston, ma | | Quote:
Originally Posted by billfitzmaurice Probably with OEM drivers that you can't buy. | This. Ampeg uses 5.3 ohm drivers, berg uses 24 ohm drivers. |
10-14-2010, 01:35 PM
|  | Registered User | | Join Date: Aug 2007 Location: Toronto Ontario Canada | | Quote:
Originally Posted by waveman 3 8ohm parallel connected in series with 3 8ohm parallel ? | Equals 5.333Ω
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Paul
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10-14-2010, 02:01 PM
| | Registered User | | Join Date: Dec 2002 Location: Sydney, Australia | | | Wire it to 5.67 ohms, and treat as though it's a 4 ohm cab. The wattage difference will result in an output difference so small it's insignificant.
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10-14-2010, 03:55 PM
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Originally Posted by BassmanPaul Equals 5.333Ω | Yeah, but that is about as close as you'll get without having speakers with non standard ohm ratings. I just figured they were fudging, ie rounding down  |
10-14-2010, 05:35 PM
|  | Registered User | | Join Date: Feb 2006 Location: Denver,CO | | Quote:
Originally Posted by jumbodbassman i am in the process of building out a 6 10 speaker cabinet. Question is how does ampeg and swr get the cabinet to be 4 ohms. i believe there is no such thing as a 24 ohm speaker so how do they accomplish such a thing. i can only figure out how to get to 5.67 or 2.67. any help would be greatly appreciated | http://www.speakerrepair.com/mm5/mer...Code=86-510-06
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10-14-2010, 10:15 PM
| | | Quote:
Originally Posted by pmcd | That looks a whole lot like an like an eminence legend  |
10-15-2010, 10:40 AM
| | | | Use 4 x 4ohm, or 4 x16 BASS drivers for bass frequencies wired to 4 ohms.
Use 2x10 MID 8 ohm drivers for mid frequencies wired to 4 ohms
Use a crossover between the bass and mid frequency drivers - this will keep everything at 4 ohms overall.
Put the 2 MID's in vertical alignment, in their own chamber.
The 4 BASS drivers in an L-shape.
With careful matching of drivers you'll have one great sounding cabinet.
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10-15-2010, 01:38 PM
| | Gold Supporting Member with a bad case of GAS
Born Again Tubey | | Join Date: Dec 2009 Location: Stuck in traffic -NY & CT | | Quote:
Originally Posted by seamonkey Use 4 x 4ohm, or 4 x16 BASS drivers for bass frequencies wired to 4 ohms.
Use 2x10 MID 8 ohm drivers for mid frequencies wired to 4 ohms
Use a crossover between the bass and mid frequency drivers - this will keep everything at 4 ohms overall.
Put the 2 MID's in vertical alignment, in their own chamber.
The 4 BASS drivers in an L-shape.
With careful matching of drivers you'll have one great sounding cabinet. | i have a madison cabinet simialr to this. 2 12's, 2 8's and a horn. sounds very full.
i am looking for this cab to push some serious air as my svt's used way back when.... but be a little more transportable. i have a matching 3 12 cab that i will load up next - probably 2 16 ohm speakers...
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10-15-2010, 02:02 PM
| | Registered User | | Join Date: Jun 2009 Location: Poughkeepsie, NY | | | I've seen Genz Benz 24 ohm speakers on eBay from time to time. | | Thread Tools | Search this Thread | | | | 
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