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EA NL210 woofers


Mikefwlr
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Hey,

I have an EA NL210 cab and the woofers are on their way out. I'd like to get some new ones, contacted EA who recommended buying an upgrade pack from them. For about £300 plus postage from US.
I am wondering if i could just buy some woofers in the UK to put in the cab. Any recommendations? I use it with a CXl112 for upright and electric.

Also what spec? The cab is 500w 8ohm at the moment. So would i buy 2 x (250w 4ohm) woofers or do i need to take the impedance tweeter into account. (Tweeter dosen't get used so could just diconnect it.

Any help appreciated.
Cheers,
Mike

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[quote name='Mikefwlr' post='1280931' date='Jun 24 2011, 08:13 AM']EA seem quite secretive about the specs for their cusdtom drivers.

Guess i could measure the impedance with a multimeter (but i don't have one), anyone know the specs of these woofers?[/quote]
This is what you need to measure specs:
[url="http://www.parts-express.com/pe/showdetl.cfm?Partnumber=390-804"]http://www.parts-express.com/pe/showdetl.c...tnumber=390-804[/url]

I seriously doubt that the EA driver is at all dissimilar to an off the shelf Eminence, but they won't say, and until someone goes to the trouble of measuring the drivers themselves it will remain a mystery.

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[quote name='Mikefwlr' post='1280931' date='Jun 24 2011, 01:13 PM']EA seem quite secretive about the specs for their cusdtom drivers.

Guess i could measure the impedance with a multimeter (but i don't have one), anyone know the specs of these woofers?[/quote]

That's because they like charging £150 a driver for replacements.

Measuring the impedance won't get you very far, I'm afraid. If you want to send me one before they both die completely, I'll measure the T/S parameters for you.

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[quote name='Bill Fitzmaurice' post='1280959' date='Jun 24 2011, 01:31 PM']This is what you need to measure specs:
[url="http://www.parts-express.com/pe/showdetl.cfm?Partnumber=390-804"]http://www.parts-express.com/pe/showdetl.c...tnumber=390-804[/url]

I seriously doubt that the EA driver is at all dissimilar to an off the shelf Eminence, but they won't say, and until someone goes to the trouble of measuring the drivers themselves it will remain a mystery.[/quote]

That is much less expensive than I was anticipating.

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From memory, the drivers are Eminence. Someone here put a replacement 10" in my old CXL 1x10 and was happy with the results - may be worth a search both here and under repairs?

The CXL series drivers do seem to need replacing after a few years....hopefully they've improved things in later designs?

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[quote name='Bill Fitzmaurice' post='1280982' date='Jun 24 2011, 01:47 PM']Very reasonable, and invaluable as you can use it to measure not only the raw driver but also the finished cab. It will do an impedance sweep in two seconds.[/quote]

Impedanc sweeps do interest me, but still too much to satisfy my curiosity about interaction between valve amps and modern cabinets, pretty far beyond what I understand.

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