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by Bill Fitzmaurice
Tue Jan 27, 2026 8:10 am
Forum: Simplexx
Topic: Which Eminence 18" Pro PA
Replies: 6
Views: 47

Re: Which Eminence 18" Pro PA

If you want to go all out there's the LaVoce SAF184.03. 13mm xmax allows it to take 1,000w.
by Bill Fitzmaurice
Mon Jan 26, 2026 11:24 pm
Forum: Simplexx
Topic: Which Eminence 18" Pro PA
Replies: 6
Views: 47

Re: Which Eminence 18" Pro PA

6mm xmax isn't very good. It limits you to 350w.
by Bill Fitzmaurice
Mon Jan 26, 2026 3:47 pm
Forum: Simplexx
Topic: Which Eminence 18" Pro PA
Replies: 6
Views: 47

Re: Which Eminence 18" Pro PA

The preferred T/S spec range for the driver is Fs 28 to 38Hz, Qts .28 to .40, Vas 200 to 400L, xmax 8mm or more. Recommended drivers are the Dayton Audio Pro Odeum 18F, PRV Audio 18SW2200v2, Eminence Kappa Pro 18LF, LaVoce SAF184.02 and Celestion TSQ 1845.
by Bill Fitzmaurice
Fri Jan 23, 2026 8:05 am
Forum: SLA PRO/ TLAH PRO
Topic: TLAH or SLA PRO for a church
Replies: 23
Views: 1350

Re: TLAH or SLA PRO for a church

Good thing it's not a snake. viewforum.php?f=10
by Bill Fitzmaurice
Thu Jan 22, 2026 9:43 am
Forum: Everything Else
Topic: Eminence Price Increase
Replies: 10
Views: 389

Re: Eminence Price Increase

I noticed Eminence prices going up four years ago, as part of my yearly review of recommended drivers in all the plans. At about the same time new players with better prices, like LaVoce and PRV, were entering the marketplace. As part of my bang for the buck rule many of these new offerings were giv...
by Bill Fitzmaurice
Wed Jan 21, 2026 10:13 pm
Forum: SLA PRO/ TLAH PRO
Topic: TLAH or SLA PRO for a church
Replies: 23
Views: 1350

Re: TLAH or SLA PRO for a church

Yep. Subs are like real estate. What matters most is location, location and location.
by Bill Fitzmaurice
Tue Jan 20, 2026 10:59 pm
Forum: XF Guitar Cabs
Topic: XF412 Internal Damping material
Replies: 4
Views: 452

Re: XF412 Internal Damping material

Cabinet lining damps internal reflections of midrange and high frequencies that otherwise will meet the cone, causing response zits. It doesn't make the cabinet equivalent to a larger box. Stuffing a sealed cab does something similar in that it lowers the system Q, which can tame a midbass response ...
by Bill Fitzmaurice
Fri Jan 16, 2026 11:04 pm
Forum: Home Theatre/Stereo/Auto Sound
Topic: TLAH tight space
Replies: 5
Views: 97

Re: TLAH tight space

That can be front mounted.
by Bill Fitzmaurice
Fri Jan 16, 2026 7:53 am
Forum: Home Theatre/Stereo/Auto Sound
Topic: TLAH tight space
Replies: 5
Views: 97

Re: TLAH tight space

What driver is that? Pretty much every driver made today will mount from the front or back. Drivers don't rely on pressure of the frame against the baffle to hold the cone in place, that's accomplished by the surround and spider.
by Bill Fitzmaurice
Thu Jan 15, 2026 3:54 pm
Forum: Tuba and Titan Pro-Sound Subwoofers
Topic: MCM 55-2421 8” driver VS everything
Replies: 95
Views: 14244

Re: MCM 55-2421 8” driver VS everything

Output is more or less linear with respect to Xmax. But those 'monsters' have high Qes as well as Fs and the surrounds are silly. If you want maximum output use a twelve. The PRV 12W1600 will beat two eights. As to no door that's a no-no.
by Bill Fitzmaurice
Wed Jan 14, 2026 3:31 pm
Forum: Tuba and Titan Pro-Sound Subwoofers
Topic: Questions for Table Tuba build
Replies: 43
Views: 7275

Re: Questions for Table Tuba build

The best place for a plate amp is in a box placed as close as possible to your AVR. Long interconnect wires are prone to ground loop noise, long speaker wires are not. If by 'the opening' you mean the horn mouth don't put anything in there.
by Bill Fitzmaurice
Wed Jan 14, 2026 11:31 am
Forum: DR Horn Loaded Bass/Keyboard/PA Speakers
Topic: Going from ot12s to dr200s
Replies: 4
Views: 94

Re: Going from ot12s to dr200s

They're not supposed to. DR200 is intended for small to medium venues, where wide dispersion is more important than long throw. Horses for courses.
by Bill Fitzmaurice
Sun Jan 11, 2026 3:22 pm
Forum: DR Horn Loaded Bass/Keyboard/PA Speakers
Topic: Going from ot12s to dr200s
Replies: 4
Views: 94

Re: Going from ot12s to dr200s

It wouldn't be impossible, but it wouldn't be easy either. I wouldn't consider it.
by Bill Fitzmaurice
Thu Jan 08, 2026 9:49 pm
Forum: Reviews
Topic: T48's with Magnepans
Replies: 4
Views: 143

Re: T48's with Magnepans

They should work well with anything, due to the very low THD. Direct radiating subs can produce a lot of harmonics that don't play nice with mains, as well as making them directionally locatable.
by Bill Fitzmaurice
Tue Jan 06, 2026 10:38 pm
Forum: Home Theatre/Stereo/Auto Sound
Topic: THTLP Build Error
Replies: 2
Views: 75

Re: THTLP Build Error

No worries, it's too slight to have much effect.