Tl806 - EMV12L vs Eminence DeltaProA

[tca]

I've been doing some sims about the TL806 enclosure for the EVM12L speaker and the Eminence Delta Pro. It seems that the usual procedure is to simply replace the EVM12L by the Eminence Delta Pro. The TL806 is tuned to 75Hz but my sims show that for the Eminence Delta Pro the tuning frequency should be around 55Hz.

Suggestion and comments?

Cheers

Refs.:
- TL806_builders_plans.pdf
- EV EVM12L Speakers - EVM-12L Guitar Speaker - Electro Voice speaker model EVM-12L. Full line of EV speaker components.
- Eminence Delta Pro 12A speaker. The Eminence Delta Pro 12A is a 12" 8 ohm speaker replaces the EVM 12L guitar speaker. The Delta Pro-12A speakers available here.

 

[kenpeter]

Your choices are more complicated now. In addition to the original DeltaPro12A
Eminence has a new DeltaPro12-450A with lighter magnet, yet similar specs...
And new EM12Legend: brighter, more efficient than DeltaPro12, slightly less
xmax. I suspect a few turns outside the gap were sacrificed, otherwise similar
and perhaps even more like the EVM12L.

http://www.eminence.com/speakers/speaker-detail/?model=Delta_Pro_12A
http://www.eminence.com/speakers/speaker-detail/?model=Delta_Pro_12_450A
http://www.eminence.com/speakers/speaker-detail/?model=Legend_EM12

 

[tca]

Thanks for you comment. I'll have a look at those.

Cheers.