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Eminence Delta-12LFA 12" Low Frequency Driver

Brand:| Model: Delta-12LFA
Overview
The Eminence Delta-12LFA 12" speaker is designed to provide high power bass in sound reinforcement systems, bass guitar combos, club music systems and stage monitors -- night after night!
Highlights
  • Kapton coil former
  • Polyamide-imide coated aluminum voice coil
  • Ferrite magnet
  • Vented and extended pole piece
  • Pressed steel basket
  • Paper cone
  • Cloth accordian surround
Part # 
290-416
Weight: 13.9 lbs.  
IN STOCK
Your Price
$99.99
Part # 290-416
Qty:  EA
Available Payment Methods

Product Details

Eminence Delta-12LFA 12" Low Frequency Driver

The Eminence Delta-12LFA 12" speaker is designed to provide high power bass in sound reinforcement systems, bass guitar combos, club music systems and stage monitors -- night after night! Eminence LF models are specifically designed with extended Xmax to deliver more bass than standard models and provide "a true woofer" for three-way applications. Made in the USA. 7-year manufacturer's warranty!



Product Specifications
  • Nominal Diameter12"
  • Power Handling (RMS)500 Watts
  • Power Handling (max)1000 Watts
  • Impedance8 ohms
  • Frequency Response44 to 3,000 Hz
  • Sensitivity94.6 dB 1W/1m
  • Voice Coil Diameter2.5"
  • Magnet Weight56 oz.
Thiele-Small Parameters
  • Resonant Frequency (Fs)51 Hz
  • DC Resistance (Re)6.06 ohms
  • Voice Coil Inductance (Le)1.45 mH
  • Mechanical Q (Qms)7.28
  • Electromagnetic Q (Qes)0.51
  • Total Q (Qts)0.47
  • Compliance Equivalent Volume (Vas)2.4 ft.³
  • Mechanical Compliance of Suspension (Cms)0.19 mm/N
  • BL Product (BL)14.1 Tm
  • Diaphragm Mass Inc. Airload (Mms)51g
  • Maximum Linear Excursion (Xmax)4.8 mm
  • Surface Area of Cone (Sd)506.7 cm²
Materials of Construction
  • Cone MaterialPaper
  • Surround MaterialCloth
  • Voice Coil Wire MaterialCopper
  • Voice Coil FormerKapton® / Polyimide
  • Basket / Frame MaterialSteel
  • Magnet MaterialFerrite
Mounting Information
  • Overall Outside Diameter12.03"
  • Baffle Cutout Diameter10.95"
  • Depth5.35"
  • # Mounting Holes8
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)
  • Sealed Volume1.27 ft.³
  • Sealed F385 Hz
  • Vented Volume3.43 ft.³
  • Vented F342 Hz
Eminence Delta-12LFA 12" Low Frequency Driver
  • BrandEminence Speaker
  • ModelDelta-12LFA
  • Part Number290-416
  • UPC876358000241
  • Product CategoryWoofers, Subwoofers & Midrange Speakers
  • Unit of MeasureEA
  • Product Rating
    (10 Reviews)
  • Weight13.9 lbs.
  • California Prop 65

    Warning: California residents only. Please note per Proposition 65 that this product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

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Reviews

Eminence Delta-12LFA 12" Low Frequency Driver
Eminence Delta-12LFA 12" Low Frequency Driver is rated 4.9 out of 5 by 10.
Rated 5 out of 5 by from EMINENCE Delta 12 LFAONE WORD--OUTSTANDING ! Bought these for a custom monitor set up for stage use. Like the extra RMS since we do all outdoor venues. Of course I broke them in--but honestly they sounded great right out of the box !
Date published: 2013-10-22
Rated 4 out of 5 by from Unimpressed to ImpressedWhen I received the 4 speakers I had purchased, one of them had made it half way out of its box. The box had come unglued at the seams. Very poor packaging, a 12" speaker in a flimsy thin corrugated box made for an 18" speaker using inflated foam over the magnet, but no protection whatsoever for the cone. At first look, they look plain Jane retro speakers and the basket is punched out of thin tin; the thinnest I've seen yet for a pro speaker. Since I've got'em, might as well try'em. Right from the very first notes, WOW, one cannot be unimpressed with their performance though. Even though its graph does not indicate good low frequency SPL response below 80hz, two of these speakers in parallel, in a well suited sealed enclosure, will make your chest and feet feel sub audible frequencies. As for the audible frequencies up to 700hz, where I crossed them at in a 3way speaker system, their musicality is tight and clean. I have been making speaker enclosures professionally since the early 70's and I do not use the word impressed lightly; rather, I am of the unsatisfiable type. Simply wish it had a better basket, and some esthetics.
Date published: 2013-06-23
Rated 5 out of 5 by from A great 12" bass speaker!I have used this speaker in several bass cabinets in the last few years.I research to try to find something that might be better, and I keep going back to this one.It really does seem to have a little more low end response than other 12's.I love Eminence speakers.They are great speakers at a great price.Parts Express seems to carry a larger assortment than anyone else.This speaker has better low end response than many other more expensive speakers.Go with this one. You won't be disappointed.
Date published: 2013-01-18
Rated 5 out of 5 by from Nice Bass ResonceI contacted Parts Express staff for a suitable speaker replacement in my Peavey KB60 Amp which I use as a true combo amp. This speaker was the one which could work in the enclosure. They recommended that I port the cabinet. I needed a 4" x 8" port which worked out to be an ABS 90 degree street ell. I also used a Pyle Titanium Tweeter and insulated the cabinet with 3/8" felt. Now the amp works well for Bass, keyboards and guitar. Amps that will do this are usually much heavier.Thanks for all the help.
Date published: 2012-04-10
Rated 5 out of 5 by from Better than JBLTakes a beating and keeps on pumping!
Date published: 2009-08-25
Rated 5 out of 5 by from Big Boom For Your Buck!I mounted four of these speakers directly into the side of a raised stage. I had originally hoped to go with 15" subs for the project, but the height of the stage wouldn't accomidate speakers that size. I bought these speakers with the hope that they would still achieve the project's goal, which was to have both a great low end and also to hopefully rumble the stage itself. I used no cabinets with them, but chose to mount them onto a 1/2" baffle board covered in vinyl and then attach that to the front of the stage. I used the stage itself as the box for the speakers. I was very pleased when they performed even better than I hoped they would. These are a great bargain. I'd highly recommend them.
Date published: 2009-01-27

Product Q&A

Get your questions answered from other customers
who own this product or have experience with it.
If your question requires design or troubleshooting information,
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Eminence Delta-12LFA 12" Low Frequency Driver

I have 2x12  GK bass cabinet that is 3.35 CF with a 5" x 9" cutout for a vent in the front panel.  Will two of these Delta12LFA's drop right in or do I need to mod the cabinet?   Thanks!

Asked by: Kyle909
This depends on the tuning frequency for the cabinet. The volume is a little undersized for those woofers but it can work. Do you know how long the port is?
Answered by: MattP
Date published: 2014-07-02

I have Klipsch Heresy I speakers. A friend recommended the Eminence Delta12LF woofers. Are these suggested for home audio use? Would you recommend them for these speakers? Or is there something else you would suggest? Extremely easy to install?

Asked by: MarkIV
This is a popular choice for the Heresy speakers, this is very similar to the woofer that was used originally. I am not familiar with replacing the woofer in this speaker so I do not know what is required for installation.
Answered by: MattP
Date published: 2014-03-03

hi  how long  have to be port  on my enclosure    witch  is  2cubic feet (56.8 litres) and  have 2 triangle ports  6x6 cm (short sides of triangle ) there   is no space  to rebuild ports  i can only  adjust lenght  thank u very much stanley

Asked by: standman
In that volume I would recommend plugging one port, other wise they would each have to be over 20" long for a reasonable tuning frequency. If you plug one port, the other will need to be 10" long for the same tuning frequency of 41 Hz.
Answered by: MattP
Date published: 2014-02-21

Eminence Delta-12LFA 12" Mounting detail

Can the Eminence Delta-12LFA 12" be mounted on the front of the baffle rather than the back side of the baffle?
Asked by: Retrostuart
Yes this can be mounted on the front or rear of a baffle.
Answered by: MattP
Date published: 2013-08-02

Please tell me the minimum V for this driver and the port characteristics.

I have a pair of Eminence Delta-12LFA 12" in a 3.5 cf ported 3 way system. I have recently moved to a smaller home and must downsize my enclosures. Hopefully around 2.5 cf without going to a sealed box. Also, is there a flared outer ring or some finishing detail for the exterior cut out in the baffle. Would that be a 'phase ring?'Thank you,Stu Plimpton
Asked by: Retrostuart
You can get away with 2.5 pretty easily. I would recommend a 4" diameter, 4.5" long port for a tuning frequency of 41 Hz. I'm not sure there is such a thing as a "phase ring" although the baffle edge can have an affect on the frequency response in the upper registers.
Answered by: MattP
Date published: 2013-08-02

Enclosure dimensions

1) What enclosure dimensions do you recommend WxDxH2) Port size, quantity (1 or 2) and tube depth3) Crossover cut to be used in a 2 way cabinet with a Eminence ASD1001 tweeter driverThanks!
Asked by: guscusi
The recommended enclosure for this woofer is 3.4 cubic feet with a 4" diameter, 2.5" long port. This will tune the box to 40 Hz. A crossover recommendation would be below.
Answered by: MattP
Date published: 2013-07-12

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