New SBA 8" Full Range driver

[KaffiMann]

Are these to be used together?

//

Yes.

 

[perceval]

Chatting with my distributor...

-- Yesterday. --
Me: Have you seen the new 8" FR driver from SBA?
Them: Oh, no, not yet. It does look interesting, but the website says "Coming Soon". We will call them to find out.

-- Today. --
Them: We are ordering a bunch. Do you still want to buy a pair?
Me: Absolutely!



Didn't tell me when it will come. It's ok. I'm not in a hurry, but will still be fun to play with those, I think!

 

[dewdrop]

New toys make us happy!

 

[Scottmoose]

That they do.

 

[KaffiMann]

I'm not in a hurry, but will still be fun to play with those, I think!

Same here

What are you thinking of doing with them? Going full-range?

I'm probably going for a compact sealed, most likely close to textbook 2nd order bessel somewhere around 200hz to the Faital 12" in a ported volume. Most likely put the port between the 8" and the 12" somewhere.

Looking at what I've ended up with on the Fane 15-300TC, I think amongst the first things I will try are some narrow notches somewhere in the vicinity of 2.4khz, 3.4khz and 9.2khz and see if it makes any difference to the big-ish dips.

 

[perceval]

First ting will be to put them on a small baffle and break them in.

Then, I'll run DATS to verify the data according to what is posted.

If it follows, I guess my plan will be a MLTL... I'm a fan of MLTL through and through!
And the sim does look very nice.

Then, will look at the response and see where it needs a notch.

 

[TNT]

MLTL? Please...

//

 

[perceval]

and why not?

Single full ranger, good low end extension, 11mm p-to-p Xmax, and a pretty good dispersion higher up the frequencies.

No XO, no phase issues, no worries.

 

[TNT]

Ohh sorry, Please, what does MLTL mean?

//

 

[perceval]

Mass Loaded Transmission Line.

 

[TNT]

OK!

//

 

[perceval]

glad I got your vote of confidence!



Are planning t get one pair too?
Any designs you would like to try?

 

[freddi]

hahaha - had a hunch - dropped its specs into David McBeans hornresp offset port TL example from the menu with no changes and

 

[TNT]

glad I got your vote of confidence!



Are planning t get one pair too?
Any designs you would like to try?

Eee - I ment: Aha (not OK) - I have been unlucky when posting today ...

:-D

Maybe...

//

 

[xrk971]

That performance predicted by HR looks very promising Freddi! That’s high SPL and deep bass reach. Subtract 5dB for baffle step and we are at 87dB sensitivity. This will require a BSC circuit to attenuate that 92dB high down to 87dB. But that’s a respectable showing.

 

[pelanj]

33 Eur/pc? I think I need to get a pair!

 

[xrk971]

Where can we buy this thing? 30Euro seems to inexpensive. I see a cast frame basket and magnet similar to SB23 and that’s $90. No way this can be 30 Euro or $40USD.

 

[ErikdeBest]

Got a quote from compacbel.be.The unit costs 23,15 euros + VAT. Compactel has free shipping to EU on orders over 99 euros (not affiliated, just a happy customer)

 

[Jazzfan]

At Solen.ca $64.19cad on backorder.

 

[GM]

Hmm, >105 dB/m/50 W/2pi is good enough for THX home reference, so in ~Vas/1.44 vented tuned to Fs could be a great way to get a tonally matched, pretty high SQ, multi-channel system that won't 'break the bank' or eat up much room 'real estate'.

GM