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Multi-Way Conventional loudspeakers with crossovers

Wharfdale E70 rebuild
Wharfdale E70 rebuild
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Old 16th November 2012, 05:15 PM   #1
mummykicks is offline mummykicks
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Default Wharfdale E70 rebuild

Hi, I'm an old audiophile wanna-be and have a pair of E70's that I bought way back in the early '80's. For those unfamiliar with these they have a 10" woofer, 2 x 4" mids, and a 4" horn tweeter. Nominal impedence is 8 ohm. They have crossover knobs on the front for both low and high that you can adjust as well. The woofer cones are toast, not sure about the rest.

I was thinking of buying one of the bookshelf speaker kits and a dt100-a amp so I can stream pandora through my iphone (or anything else for that matter), but then I got to thinking about maybe modernizing the E70's instead - i.e. keep the cabinet and replace the speakers with modern (hopefully better) versions.

Unfortunately I know nothing about this and am seeking advice. Is there some special magic about the coils being matched to their cross-over circuitry in some way? Or can I drop any 8 ohm speaker in there and it will work? As far as I can tell it's just two wires to connect, and I can handle a soldering iron.

I listen to just about any kind of music other than hip-hop/rap, including classical, metal, country, jazz, etc..

So I'm looking for advice:
What woofers?
What mids?
What tweeter?

Budget is $200-$400 per cabinet. I could get talked into more if it's a night and day difference, but I'm guessing that once you get above a certain price more money only buys marginal performance improvements.

Recommendations on an amp would be good too, with the dt100-a being what fits my needs in terms of functionality for now. They are going into a smallish room for now, so I don't need a lot of volume, but would like them to be able to do that in the future, if desired...

Thanks in advance for any help!!
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Old 16th November 2012, 09:59 PM   #2
DrBoar is offline DrBoar  Sweden
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The E70 had unusually high efficiency someting like the mid 90 dB or about 10dB more than many bextrene coned speakers of the time.So I would like to recreate it use more pro drivers more than classical hifi drivers. Eminence, Fane Beyma RCF and others makes those drivers.
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