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Fane colossus 15xb 6ohms??
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Peter French View Drop Down
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Joined: 16 October 2009
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    Posted: 18 July 2014 at 1:32am
Hi guys, I've got a driver that's confusing me slightly....

It's a fane colossus 15xb that meters up at 6 ohms but the website says they only made it in 4 or 8 ohms

As a little background, it's a club install I removed when it closed. This was an RCF box that used to be active, clearly the amp module has blown so someone had hard wired the driver to a speakon socket they had added

Anyone know how or why it have a 6ohm driver like this?? What to do with it? No use to me!!
Fulltime DJ and Equipment Hire in Gloucestershire
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mini-mad View Drop Down
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Points: 6903 		Post Options Post Options   Thanks (0) Thanks(0)   Quote mini-mad Quote  Post ReplyReply Direct Link To This Post Posted: 18 July 2014 at 1:44am
4 0r 8 is an impedance rating not a DC resistance!

...

THIELE SMALL PARAMETERS
FS Hz38 Hz
RE Ohms6.2 Ω
Qms7.48
Qes0.336
Qts0.32
Vas Ltr168 litres
Vd litres0.641 litres
CMS (mm/N)0.162 mm/N
BL T/m22.08 T/m
Mms (grms)108 grams
Xmax (mm)7.5 mm
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Efficiency %2.10%
Le (1k Hz)1.5 mH
If it sounds like a gorilla is trying to escape, turn it down.
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Dub Specialist Sound View Drop Down
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Points: 4873 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Dub Specialist Sound Quote  Post ReplyReply Direct Link To This Post Posted: 18 July 2014 at 1:55am
its normal for speakers when being metered that the reading will be allways different wont be bang on ect 8r driver on meter wont be 8r , sometimes read like 7.4 can variy, ie 16ohm driver can meter at like 12/13ohm ect
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cravings View Drop Down
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Points: 7441 		Post Options Post Options   Thanks (0) Thanks(0)   Quote cravings Quote  Post ReplyReply Direct Link To This Post Posted: 18 July 2014 at 7:10am
yep that's a fairly standard reading for an 8 ohm driver.
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Geigertron View Drop Down
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Points: 204 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Geigertron Quote  Post ReplyReply Direct Link To This Post Posted: 18 July 2014 at 4:56pm
It's the dc resistance, (as mid-man stated above)have you another to compare? Could of been a 4 that was over driven maybe...

I'm after another xb myself
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mini-mad View Drop Down
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Points: 6903 		Post Options Post Options   Thanks (0) Thanks(0)   Quote mini-mad Quote  Post ReplyReply Direct Link To This Post Posted: 18 July 2014 at 9:04pm
its an 8... the 4 measure around 3.2 (ish)
If it sounds like a gorilla is trying to escape, turn it down.
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Peter French View Drop Down
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Points: 759 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Peter French Quote  Post ReplyReply Direct Link To This Post Posted: 19 July 2014 at 2:21pm
cheers guys! 
Fulltime DJ and Equipment Hire in Gloucestershire
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beer_n_chips View Drop Down
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Points: 59 		Post Options Post Options   Thanks (0) Thanks(0)   Quote beer_n_chips Quote  Post ReplyReply Direct Link To This Post Posted: 24 July 2014 at 12:08pm
I got a B&C driver here that measures 5.6 ohms on the multimeter for an 8 ohm driver, so I guess different multimeters vary when testing drivers.
But plays absolutely fine.
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mini-mad View Drop Down
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Points: 6903 		Post Options Post Options   Thanks (0) Thanks(0)   Quote mini-mad Quote  Post ReplyReply Direct Link To This Post Posted: 24 July 2014 at 12:23pm
if you nip onto the OEM website they NORMALLY state the dc resistance for 4,8 and 16 ohm versions of their drivers, which should make it easier for finding which impedance you have.
If it sounds like a gorilla is trying to escape, turn it down.
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