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06-28-2010, 03:08 PM
| | Registered User | | Join Date: Nov 2009 Location: Los Angeles, CA | | | Can you use a combo amp as a speaker cab?
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*Yet another dumb amp question.
I just got my 700rbII today from another TB'er but I haven't received the Neo 210 cab.(It just shipped out today and probably wont be here till the weekend) So i was wondering could I run my new head through my current GK MB115 (which I am currently trying to sell on the Classifieds).
Im really really really anxious to try my new head out but dont want to fry the cab or the head. Let me know if i'm good, cause i would really have to wait like more days to play it. |
06-28-2010, 03:39 PM
|  | Registered User | | Join Date: Sep 2007 Location: Fort Collins, Colorado USA | | | If the cab has a jack instead of being internally wired, why couldn't you? I actually put a jack on my Ashdown Five Fifteen to see whether I'd like my SWR Workingman 12 with a 15 extension.
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06-28-2010, 03:54 PM
| | Registered User | | Join Date: Nov 2009 Location: Los Angeles, CA | | Quote:
Originally Posted by gm2_in_co  If the cab has a jack instead of being internally wired, why couldn't you? I actually put a jack on my Ashdown Five Fifteen to see whether I'd like my SWR Workingman 12 with a 15 extension. | well the amp has and active and passive inputs and well has a phones unput jack (all 1/4). so idk is that what you mean if not maybe you can tell me from the product page for the two
700rbII http://www.gallien-krueger.com/products_rb_series.html
mb115 http://www.gallien-krueger.com/products_mbCombos.html |
06-28-2010, 03:56 PM
| | Registered User | | Join Date: Aug 2008 Location: San Diego, CA | | | This is yet another sticky, waiting to happen... |
06-28-2010, 04:00 PM
| | Registered User | | Join Date: Jul 2007 Location: Dallas, TX | | | Unless the combo amp has a jack for the speaker, (which it probably doesn't), then no, you'll either have to wait for your cab to arrive, or modify the combo amp to give it a speaker jack.
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06-28-2010, 04:01 PM
| | Registered User | | Join Date: Jan 2007 Location: Houston (right now: RIT) | | | Don't connect the speaker out from the 700rb to any input on the amp in the combo. That's just asking for trouble.
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06-28-2010, 04:03 PM
| | Registered User | | Join Date: Nov 2009 Location: Los Angeles, CA | | Quote:
Originally Posted by ThatGermanDude Don't connect the speaker out from the 700rb to any input on the amp in the combo. That's just asking for trouble. | it is? ok i will make sure not to. sounds like i just gotta wait...
and this does indeed seem sticky |
06-28-2010, 04:03 PM
| | Registered User | | Join Date: Aug 2008 Location: San Diego, CA | | Quote:
Originally Posted by ThatGermanDude Don't connect the speaker out from the 700rb to any input on the amp in the combo. That's just asking for trouble. | Perhaps he *wants* to summon the magic smoke...! |
06-28-2010, 04:36 PM
| | Registered User | | Join Date: Nov 2009 Location: Los Angeles, CA | | Quote:
Originally Posted by BigOldHarry Perhaps he *wants* to summon the magic smoke...! | hahahahah....no |
06-28-2010, 04:51 PM
| | Registered User | | Join Date: Jan 2007 Location: Houston (right now: RIT) | | | If you think about it, the output of 700rbII is several hundred watts. The input of an amp is designed to handle tiny changes in current, or in the extreme case the power of 2 batteries.
If the amp survives that, you'd still run a twice amplified signal into the speaker, which is much more than it can handle, especially if the signal is distorted, which it would be.
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06-28-2010, 06:45 PM
|  | Registered User | | Join Date: May 2001 Location: St. Louis, MO USA | | | If you just want to tinker with the EQ and other controls on the new head, run a 1/4" patch out of the jack labeled "preamp out" on the head to the post EQ effects return (there be only one effects loop) on your combo.
With this setup, you be using the new head as a preamp and the the combo's power stage. |
06-28-2010, 06:51 PM
|  | Forever in debt to your priceless advice | | Join Date: Oct 2001 Location: Methuen, MA USA | | | Unfortunately, there is no effect return on the combo, so you will just have to wait until you greet the speaker cab. |
06-28-2010, 08:33 PM
| | Registered User | | Join Date: Nov 2009 Location: Los Angeles, CA | | Quote:
Originally Posted by KPJ Unfortunately, there is no effect return on the combo, so you will just have to wait until you greet the speaker cab. | yes we have established that fact. its on its way from Florida as of this evening. i was able to test the head though using a Tacsam gt-r1 i had laying around. didn't have enough time to tinker with it. | | Thread Tools | Search this Thread | | | | 
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