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02-20-2011, 01:42 PM
| | | | Will this setup work with regards to Impedance?
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I have a new head with 2x 8ohm outputs.
It's a HL500 Hartke
My cabs are both 8ohm Warrick Cabs
Wca 211
wca 115
So my question is will these cabs run ok with this head and do I run one cab from each output or run both cabs from a single output.
I'm guessing it would be 2ohm if run in series?
Last edited by craigbeal : 02-20-2011 at 02:05 PM.
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02-20-2011, 01:54 PM
| | Registered User | | Join Date: May 2006 Location: austin,tx | | | You could run one or the other but not both. 4+4=2. You could homemake or order a series cable. That'd put them in series giving 8. |
02-20-2011, 01:55 PM
|  | Tuxedo BassŪ - That's Me! | | Join Date: Feb 2010 Location: Hamilton, Montana | | | Putting two cabs into any/all of the jacks is still parallel unless someone has rewired the cabs differently.
Added together - in parallel - so two 4 Ohm cabs divided by 2 = 2 Ohms.
You don't usually get series wiring in output or dual input jacks.
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02-20-2011, 01:57 PM
| | Registered User | | Join Date: Jan 2002 Location: Palm Coast, Florida | | | It is 2 ohms in parallel (series would be 8 ohms, and requires special wiring).
It does not matter if you run each cab off of the head, or run into one cab then "daisey chain" into the other - it is still parallel - and cannot be done on your head.
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02-20-2011, 02:14 PM
| | | | OP says both cabs are *8 ohms* cabs!! If so running both will be fine, in parallel that would give a 4 ohm load. No way to get 2 Ohms out of two 8 Ohm cabs. Assuming by "HL500" you actually meant "LH500", which is a real Hartke product. No such thing as a Hartke HL500 as far as I can tell...
Last edited by HolmeBass : 02-20-2011 at 02:16 PM.
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02-20-2011, 02:17 PM
| | Registered User
Owner, Bill Fitzmaurice Loudspeaker Design | | Join Date: Sep 2004 Location: New Hampshire | | Quote:
Originally Posted by HolmeBass  OP says both cabs are *8 ohms* cabs!! If so running both will be fine, in parallel that would give a 4 ohm load. No way to get 2 Ohms out of two 8 Ohm cabs. | About time someone noticed that. But there again the OP didn't notice this: AMPS FAQ!! Info on OHMS, Allsize RIGS-OverUnderPowerCabs DIY TechTalk-Links |
02-20-2011, 02:20 PM
| | Registered User | | Join Date: May 2006 Location: austin,tx | | | Me thinks the OP edited his post, coulda swore is said 4ohm the first time, hence the no/series cable answer. |
02-20-2011, 02:21 PM
| | Tuxedo BassŪ - That's Me! | | Join Date: Feb 2010 Location: Hamilton, Montana | | Quote:
Originally Posted by billfitzmaurice | Bill - I SAW he had posted 4 Ohms - and that was the value about which I posted.
Note the bottom line::: Quote:
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Old Today, 12:42 PM
craigbeal craigbeal is offline
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Join Date: Feb 2011
Will this setup work with regards to Impedance?
I have a new head with 2x 8ohm outputs.
It's a HL500 Hartke
My cabs are both 8ohm Warrick Cabs
Wca 211
wca 115
So my question is will these cabs run ok with this head and do I run one cab from each output or run both cabs from a single output.
I'm guessing it would be 2ohm if run in series?
Last edited by craigbeal : Today at 01:05 PM. | That's 15 minutes after my post.
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Last edited by SurferJoe46 : 02-20-2011 at 02:23 PM.
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02-20-2011, 02:26 PM
| | Registered User
Owner, Bill Fitzmaurice Loudspeaker Design | | Join Date: Sep 2004 Location: New Hampshire | | Quote:
Originally Posted by SurferJoe46 Bill - I SAW he had posted 4 Ohms - and that was the value about which I posted.
Note the bottom line:::
That's 15 minutes after my post. | IMO he should just read the FAQ and delete the thread entirely. |
02-20-2011, 03:08 PM
| | Tuxedo BassŪ - That's Me! | | Join Date: Feb 2010 Location: Hamilton, Montana | | | WE know about the FAQ and not that someone else won't but FAQs are a little cumbersome sometimes too.
Just saying.
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02-20-2011, 04:59 PM
| | Registered User | | Join Date: Feb 2010 Location: Nude Zealand | | | And to pick up on the other (minor) query -- it doesn't matter whether you run one cab from each output on the amp head, or daisy chain one to the next (useful if your cable isn't long enough for the bottom cab).
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02-20-2011, 05:17 PM
|  | Registered User | | Join Date: Jul 2004 Location: Fort Collins, Colorado | | | It's always a reasonable recommendation to the OP to read the manual for the amp - cover to cover. If you don't have one, get one online.
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