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Tweeter replacement recommendations

I am building an inexpensive system to place in my office. I have a Rotel rcd-971, probably getting an older (80s) Denon receiver(tuner needed), and a friend has a used pair of Paradigm Titans. It will only see low volume use.

The tweeter in one of the Titans has retired. I want to replace both tweeters. Modifying the enclosure some, is no problem.

I am thinking, since this is a place of business, the more relaxed sound of a fabric dome tweeter may be the best choice. I want to keep the cost and modifications to a minimum. The Titans have a 17mm metal dome tweeter crossed at 2.3khz, efficiency is 86db. I have browsed Partsexpress.com and found many tweeters. I like the cost and numbers for the Vifa TC 1" fabric dome, but the Morel 1 1/8" looks interesting as well.

Any ideas, pointers, or recommendations are greatly appreciated.
distortion

Showing 4 responses by distortion

distortion OP
571 posts
 
Those are good suggestions, thanks so much.

I opened up the enclosure and removed the tweeter last night. It is surely dead. The crossover is very minimal. A small, but well constructed coil, and a single cap. No board, nothing fancy, anchored to the wall with a wire-tie and screw. I cant see how many Microfarad the cap is, but according the the manufacturer data it is crossed at 2.3khz/12db. So I am looking for tweeters that have fairly flat response to around 1.8khz or lower.

The tweeter is about 15mm across the driver face and appears to be a poly dome, not metal as I originally thought. From its size/construction I would surmise that it has difficulties reproducing the lower end of the spectrum that the crossover is asking it to.
distortion OP
571 posts
 
Thanks again Clueless, I submit that you are not nearly as clueless as your name may suggest. =) That was a great link.

I have chosen a Morel MDT-29 1-1/8" soft dome. The FS is 900hz and it appears to a good match for the 2nd order 2.3khz crossover. With flat response from 1.8khz and an SPL of 89db. Not to mention it is an exact fit in the unusual counter-sunk rear baffle mounted layout.

I will let you know how I like them after break in.
distortion OP
571 posts
 
Thanks for the info Eldulcesol. I placed the order with Partsexpress just before posting. They do have a full refund return policy. If the Morels dont cut it, I can always return them.
distortion OP
571 posts
 
The Morels came in. They are a perfect fit it the existing cutout and sound teriffic. Smoother, more detail, without the harshness the original tweets exhibited (Paradigm Titan V2).

RGC, Partsexpress didnt have the exact replacement, they claimed only Paradigm markets the parts. Paradigm said the same thing. A single replacement tweeter from Paradigm was $55.00. The pair of Morels from Partsexpress was $70.00.

If you have Titans or similar Paradigms and want to replace/repair tweeters, the Morel MDTs work and sound great.
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