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Discussion Starter #21
No and No.
SI owner is Nick.
He designs his own stuff.
They have a known working relationship.

The cones are very stiff.
Oh they are .... okay!!!

Okay this is excellent, I can’t wait to try them now. If anything they’ll make good rears
But I get the feeling I’m going to love them


What’s with the DVC? Why was that adopted
 

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What’s with the DVC? Why was that adopted
Nick specifically stated it was for wiring options. They can eat up power if you want them to. Now you have more of a chance to make your amp happy while they do it.
 

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Discussion Starter #24
Nick specifically stated it was for wiring options. They can eat up power if you want them to. Now you have more of a chance to make your amp happy while they do it.
Okay yeah, we’ll at a minimum I can try a resistive damping circut with a resistor and ajust the QTS a little , might actually come in handy
 

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Obaieo, heres a members older review of the orginal TM65 woofers--


There are also several other reviews of the mk2 and ,k3 models, but I am pretty sure that the mk1 is what you will want to try.
 

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Discussion Starter #26
I lov
Obaieo, heres a members older review of the orginal TM65 woofers--


There are also several other reviews of the mk2 and ,k3 models, but I am pretty sure that the mk1 is what you will want to try.
I love it when he says they kick like no other lol . Thx for sharing that

Yeah I’m reading a lot about them, and everyone says the bass is the best and super sharp. IIRC xbl motors use short coils and add a lot more BL or flux or something to make up the difference. So the bass would be sharp if it’s coil is short,

And 9mm one way, that will massively help when Dirac wants to boost the crap out of the dip at 150 on the left side.

And I’m certain I can change the Q with a dvc , and being I’m not planning to use tons of power it shouldn’t be a issue, so I can actually tune the Q to the enclosure some (at least take it up if I want a peak above whereever fs is in the enclosure) I know I can’t lower the Q but still it’s those options I like to have..

I haven’t been this excited about a driver in awhile. It’s very unusual and different I can’t wait to try it.
 

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This site has the klippel data on the v2 version didn't do to well much lower sensitivity than spec and the suspension was very bad xmax was less than half stated look it up under the klippel info its vs the gb60
 

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Discussion Starter #30
That not high QTS actually, it’s more a mid Q
And for a door that actually a very good speaker. Lots of ppl use the and like them
I’ve installed several sets and thought the performance was very good.
 

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Discussion Starter #31 (Edited)
Installed the si tm65 driver

Decided to run coils in series for 8ohms and bridge the XA-70F to them. They should be getting a healthy 240w ea.

Ran Dirac, speaker produced the same responce as the Stevens as expected.

Using the standard Dirac live default curve in 2.0 as was the Stevens mb6 the sound is ..... very close to the same. I can’t really tell a big difference however some subtle validity differences.

Playing some more bass heavy music I seem to run into some mild trouble at the highest volume. Forcing to have to attitude the left door 150hz to follow the dip just a little as I did with the Stevens.

It appears to me just by my gut that the compliance of this speaker is not meant to go to 18mm two way excursions. It seems like the si driver has A sharp transients but can’t play any lower as far as excursion limits than any other 6mm driver. So I’m kinda at a loss of why it claims 9mm one way and wasn’t designed as far as compliance goes to fulfill the task.

There’s more to this driver than I am aware of and without being able to test at the moment I am at a loss as to the ideas behind such driver.

It barley has more xmax ability at the dip at 150hz but can’t tolorate the added gain in the stop band roll off .

Now overall sq. It’s very good. Has a level of clarity that performance is very good. I’m not hearing any resonance from fs or distortion from resonance crosses at 80.
Crossing at 70 causes too much excursions at the top end and don’t hear a trade off worth so at 80 it seems to work good.

I like this speaker it sounds very good. I think I’ll enjoy discovering what it’s capable of quite a bit. The off axis energy is very consistent. It’s off axis responce s are extraordinary and works very good in a door.
 
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