MTM project with SEAS tweeter and Scan

Hello!

Recently I saw in internet that someone build MTM Cabinet using this speakers:

2x Scan Speak Illuminator WU18 https://www.scan-speak.dk/datasheet/pdf/18wu-8741t00.pdf

1x Seas tweeter https://www.seas.no/images/stories/excel/pdfdataheet/e0011_t25cf002_millennium_datasheet.pdf

I managed to download some photos to show to you and to discus with you.
What is your opinion? Do You think that they will match and sound very good, or just basic?

Also I dont have schemes of the box and filters, but it would be interested first of all to see what do you suggest me to do - should I change to the classic MTM Seas project from 2000 year? --> https://deskfi.ru/products/akustika-na-dinamikah-seas-odin-mk3
 

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Last edited:
  • Like
Reactions: Arnandsway
Hello, Yes I have seen some designs mixing SEAS tweeters and Scanspeak woofers or the contrary. The design you present to us is a high end speaker 🙂 sure it may sounds good.
Some people prefer use paper drivers because the magnesium cone make "rust" on the surface. My magnesium drivers don't rust and sound very neutral. The magnesium could age badly after 20 years according to my observations.
If you can design the crossover you have multiple choices of 6/7" woofers and tweeters to design a MTM. The more simple crossover I saw and I done too is with 2xMW16P and TW29R, good price for a high end speaker...
http://www.quarter-wave.com/Project11/Project11.html
 
  • Thank You
Reactions: funkera91
Thank You!, I see that a lot of people love that mid range speaker WU18, what make it so desired. I see, 1/3 of new speakers from hi-fi use it..
Yes perhaps because it has an underhung motor ? You have some open kits not MTM.
https://www.madisoundspeakerstore.c...a-2-way-klang-ton-kit-pair-using-illuminator/
https://www.madisoundspeakerstore.com/3-way-speaker-kits/b741-scan-speak-kit-pair-by-peter-noerbaek/
Unfortunately I don't see open kit with MTM. Note I was interested by this driver and I made a lot search on it 😉
 
I have had very good results with a floorstanding MTM speaker, so I suggest you go ahead.
Have a look:

The SEAS ER18RNX are superb drivers, so it's hard to say if the Scanspeak will be better. I will say that at present I'm voicing my new build Purifi/Be MTMs and so far, though I'm getting somewhere, the SEAS based MTM sound better in some ways, they really are excellent, everyone likes them.

Using the ER18RNX, starting with my design or something like it, using the Millenium tweeter, could be very interesting indeed. Of course (unless you have a SET amp) and with a different tweeter, the crossover will need to be different, but some work in Xsim and some trial and error voicing should get you there.