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Old 5th November 2004, 05:18 PM   #1
MEXXX is offline MEXXX  United States
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Default 4" fullrange suggestions please

Well, I was so happy that I finally finished my first pair of OB fullrange speakers when disaster came to steal my joy

I was on the last screw of the last speaker and........... no the screw driver didn't slip, but my other hand knocked the wizzer cone right off my poor little 4" speaker. Instead of trying to repair the damage, I (in somewhat of a mild rage ) pulled the wizzer off the other driver.

I spent a considerable amount off time and effort on these very simple baffles and would like to replace these war torn 4"ers with something worth while.

I would like the new drivers to be able to do ok without a super tweeter, even if that means more wizzers. I would also like them to be under $20 each, preferably under $10. Any suggestions, please?

BTW, I will post a pic of the speakers as soon as my significant other gets home with my camera. Eerrrrr, I mean OUR camera .
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Old 5th November 2004, 07:14 PM   #2
MEXXX is offline MEXXX  United States
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Heres are some pics. These will be placed on my desk for PC sound duty which is why they are so short.

both speakers

close up of front

close up of rear
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Old 6th November 2004, 08:12 AM   #3
Dr. ODD is offline Dr. ODD  Germany
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Visaton FR 10
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Old 6th November 2004, 08:35 AM   #4
morbo is offline morbo  Canada
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If it has to be <$20, you could try this:


or this:

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Old 6th November 2004, 07:42 PM   #5
Ropie is offline Ropie  United Kingdom
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Those are nice little speakers. How about stretching to $35 for some Fostex 103s? Let us know how they sound when they get rebuilt

BTW, I would loose the terminal block at the rear of the baffle and just have a straight run of good speaker cable from the driver to the amp.
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Old 6th November 2004, 09:57 PM   #6
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both those last mentioned have scary low sensitivity 80/82 dB....

community sites t-linespeakers.org, frugal-horn.com, frugal-phile.com ........ commercial site planet10-HiFi
p10-hifi forum here at diyA
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Old 7th November 2004, 10:43 PM   #7
MEXXX is offline MEXXX  United States
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I'm not too worried about sensitivity, the speakers are at ear level and about two feet from me . Nonetheless, 80/82db is pretty horrible .

Efficiency aside, I don't really like the response of the hivi driver, it looks like it needs XO'd with a tweeter at around 5k or lower which would toss it out of the full range ring.

I do like the response graph of the Visaton FR 10 and an 86db 1w/1m rating isn't too bad for something thats so close to my head.

Ropie, the terminal blocks are just temp for flexibility at the moment. When I get all the bugs worked out I will solder some good wire directly too the driver.

I plan on building a miniature W baffle dipole that my monitor will sit directly on top of. It will handle from about 150hz down to however low the 5" or 6" drivers will go.
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Old 8th November 2004, 11:38 PM   #8
MarkMcK is offline MarkMcK  United States
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The Tang Band W4-1052SA from Parts Express meets your price criteria. With my modification (posted to this forum) for the driver, it does not need a super tweeter or a whizzer. You can search for the 1052SA.

You might be pleased with its performance. It has higher sensitivity and maybe it has better sound (when modified).

Good designing and good listening,

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Old 11th November 2004, 11:17 PM   #9
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Adire's AV3 sounds really nice on OB and I don't really find a tweeter necessary. It's only a 3 inch though.

If you wnat to really save some money. Find a local electronics store that carries replacement speakers for TV's, radio's, etc. Listen to a bunch of them and pick the ones that sound the best. For listening for OB compatibility, wrap your hands around the edges of the driver or bring a piece of cardboard. If the sound fills out significantly, you're in business. You should be able to find something nice for $5/pr or less.
Everyone has a photographic memory. It's just that most are out of film.
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Old 12th November 2004, 02:54 PM   #10
MPM is offline MPM  United States
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MEXXX - Where are you located? If your in Alabama close to me you can have two of my NSB's to try.
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