| Difference between 8 ohms and 16 ohms [message #8529] |
Thu, 12 April 2007 12:01  |
kustom bassist
Messages: 14
Registered: January 2007
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Junior Member |
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Hi Gang:
Here is another newbie question from my lead guitar member:
When playing a Kustom K200 amp head, what would be the difference between the 2 cabinets one with JBL D130s 2 x 15 8 ohms and the other JBL D130s 2 x 15 16 ohms?
Thanks
KB
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| Re: Difference between 8 ohms and 16 ohms [message #8544 is a reply to message #8543] |
Mon, 16 April 2007 08:33  |
C4ster
Messages: 686
Registered: June 2001
Location: Mukwonago, WI (Milwaukee...
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Senior Member |
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I don't think the Kustom 100-200-400 series ever used 8 ohm speakers except in the 4x12 PA columns. I just opened a K100 1x15 on Saturday and replaced the CTS 15" with a JBL E140 just for fun. It taxed the amp something fierce because of the weak filter caps. But I checked the speaker resistance and it read 11.4 ohms indicating a 16 ohm speaker. That means Kustom only used 16 ohm speakers universally in their cabs and the cabs were 8 ohms, period. The only change to that rule would have been the 3x15 speaker cabs not sirens. The 3x15 were 5.3 ohms. All parallel! The 4x12 PA cabs were series/parallel to get 8 ohms.
Conrad
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| Re: Difference between 8 ohms and 16 ohms [message #8546 is a reply to message #8529] |
Tue, 17 April 2007 06:58 |
stevem
Messages: 4775
Registered: June 2004
Location: NY
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Senior Member |
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Conrad, I should have posted That the 3-15 or 3-12 cabinets housed 16 ohm drivers in parallel like you posted, but my ross built 2-15 1967 horizontial cabinet(with ports but no port tubes) has 8 ohm CTS drivers in parallel! This messed me up for a while early on as I got the cabinet from the original owner and I know he never popped it open to change or re-wire speakers as it was all he could handle to figure out how to hook up his vox organ to it! No realy, On the day he bought the organ and the amp he got it home and could not remmember how to hook the stuff up, me being the kid next store that he knew was taking electric guitar lessons got called over to get it working for him, so like I said I KNOW he never had been in the cabinet. So it came from kustom wired for 4 ohms. Production line mistake, or test dummie that got out of the factory, who knows at this point?Some companys do not waste anything, Leo Fender has been found to have sent out some every different test mule amps that he had played with under the guise of a regular production model.So of them sounded great, and some should have been tossed in the trash!
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