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I love to listen to music from my college days in the '70s. However, as I get older, I don't enjoy crashing cymbals and rock-based treble as much. In other words, I still like the Who but only with the best treble presentation.
I have Paradigm Reference Studio 20 speakers with aluminum or titanium tweeters (not sure), as opposed to silk domes. They sound very good with audiophile vinyl but digital is more dubious. I hope to buy better speakers with silk domes at some point.
I'm wondering if it is feasible to buy and install silk dome tweeters to refine the treble until I can afford to buy new speakers? The photo may not be the exact model but it indicates the general type of Paradigm tweeter on my speakers. I loosened the screws and removed the tweeter and learned that the holes are 3" in diameter with extra cut-outs for the wire, so the opening is sort of shaped like Mickey Mouse's head with the ears being the cut-outs. There is only about 1/4" of space below the tweeter hole and the top of the midbass. I don't have any experience modding speakers but I've done some basic electronic DIY projects.
Would this just involve getting a silk dome speaker of the right size and spec and swapping them out?
Follow Ups:
A coupla things here:
> "They sound very good with audiophile vinyl but digital is more dubious."
Your blaming the messenger and in this case it's the tweeter. If they sound good with vinyl and not with digital, you need to either look to your digital source as the culprit or the quality of your AC and/or RF infiltration into your system.
Digital in general is known to dump RF nasties back into the AC line(s) and this contaminates the whole system causing bright/irritating/sizzling highs, vauge midrange clarity and degraded bass performance. An isolation transformer on the incoming power to your digital source will cure this.
> "Would this just involve getting a silk dome speaker of the right size and spec and swapping them out?"
Merely swapping out tweeters hardly ever produces satisfactory results without a major rework of the crossover. The drivers/crossover/cabinet design, including the square tweeter mount, and in this case the grill as well, were all taken into consideration when Paradigm "voiced" their speakers.
May I suggest you turn your attention to your digital source and implement an isolation transformer rather than mucking up your speakers to try and solve a problem that they are not responsible for.
Cheers,
~kenster
For what it's worth, I once made some home speakers from a set of parts. The tweeters were Boston Acoustic 701 silk tweeters that came as part of a 6" seperate car audio system. I remember getting great bass from a pair of 10" subs made by Stillwater designs, and beautiful highs from these tweeters. But I never did get the mid range figured out. Of course I'm no speaker engineer but it was pretty impressive what came out of these MDF boxes made in the garage from sitting parts. Part of might have been the fact that the drivers were all 4 ? parts and the Yamaha receiver seemed to drive the final product to pretty intense volumes.
These look pretty close to what I remember.
http://cgi.ebay.com/2-Boston-Acoustic-tweeters-from-old-A70-speakers_W0QQitemZ330207836201QQihZ014QQcategoryZ50597QQssPageNameZWDVWQQrdZ1QQcmdZViewItem
Jon
Most tweeters are round, and a typical diameter of a 1" dome tweeter is 4". That won't fit into your box, unless you are willing to cut the tweeter's flange.
If your existing tweeter is good with vinyl but bad with CD you need to upgrade your CD player rather than change the tweeter.
What is the flange and is cutting it difficult? Would this be on the replacement tweeter? It's just that vinyl seems to roll off treble a bit whereas, generally speaking, digital seems to emphasize it. I just got the new Channel Islands Audio VDA2 DAC on audition and it's incredible, but it really extends treble. I may get the power supply upgrade which should refine the presentation from bottom to top. Guess I just wasn't ready for the treble extension with some of my rock CDs, which aren't always mastered as well as the vinyl reissues. I also I have it in my mind that aluminum/titanium is inferior...but that may not be true in all cases. Still, I look forward to having silk domes someday.
Thanks very much,
Audiohound
that rests against speaker front panel. It has holes for attaching screws. Cutting off segments of flange is not a big deal, especialy if it is plastic, like in Vifa tweeters. However, in more expensive tweeters it is aluminum, and I would think hard before sawing off a piece of a $160 tweeter.
Silk dome is indeed a way to go if you want clear and undistorted highs. But silk domes are not all equal. I can vouch for Scan Speak 9700 or Air Circ that I had experience with.
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