EMINENCE Delta 15 LFC 15″ Speaker 500 W 4 Ohms

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DELTA-15LFA Series American Standard Recommended for professional audio as a mid-bass or floor monitor in a sealed enclosure. Also suitable as a woofer in vented, bass guitar or PA enclosures. Product type Loudspeaker Chassis Type PA Nominal Diameter 15 ” Nominal Diameter 381 mm Voice Coil 2.5 ” Voice Coil 63.5 mm Overall diameter 384.8 […]

 

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DELTA-15LFA Series American Standard

Recommended for professional audio as a mid-bass or floor monitor in a sealed enclosure. Also suitable as a woofer in vented, bass guitar or PA enclosures.

Product type
Loudspeaker Chassis


Type
PA


Nominal Diameter
15 ”


Nominal Diameter
381 mm


Voice Coil
2.5 ”


Voice Coil
63.5 mm


Overall diameter
384.8 mm


Pitch Circle Diameter
369.9 mm


Section Diameter
352.3 mm


Diameter of fixing holes
6.4 mm


Depth
160 mm


Nominal Impedance
4 Ohm(s)


Nominal Load Capacity
500 W


maximum rated load
1000 W


Sensitivity (1 W / 1 m)
96 dB


Frequency response
42 – 3200 Hz


Voice Coil Material
copper


Magnet
Ferrite


Depth of the magnetic gap
9.53 mm


Thiele & Small Parameter


Fs (Resonance Frequency)
39 Hz


Re (DC resistance)
6.11 Ohm(s)


Qms (mechanical quality)
6.3


Le (inductance of the voice coil)
1.37 mH


Qes (electrical quality)
0.52


Qts (overall quality)
0.48


Vas (equivalent volume)
241


Mms (moving mass)
75 g


BL (power factor)
14.6 T/m


Xmax (maximum displacement)
4.8 mm


Cms (elasticity of the suspension)
0.23 mm/N


Sd (membrane area)
873 cm²


Weight
6,71 kg

Weight 7.00 kg

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Quick Comparison

EMINENCE Delta 15 LFC 15" Speaker 500 W 4 Ohms removeB & C Speakers 15-NW100 Subwoofer Neodymium magnet 15 inch, 800W,97dB removeJBL CONE EON 15 PASSIVE removeB & C Speakers 15-NDL76 Woofer Neodymium magnet 15 inch, 500W,99.5dB removeEMINENCE ED15C Delta-15 - 15" Speaker 400 W 4 Ohms removeCELESTION T5611 WOOFER 15'' FTR15-4080HDX PRO AUDIO 1000W remove
NameEMINENCE Delta 15 LFC 15" Speaker 500 W 4 Ohms removeB & C Speakers 15-NW100 Subwoofer Neodymium magnet 15 inch, 800W,97dB removeJBL CONE EON 15 PASSIVE removeB & C Speakers 15-NDL76 Woofer Neodymium magnet 15 inch, 500W,99.5dB removeEMINENCE ED15C Delta-15 - 15" Speaker 400 W 4 Ohms removeCELESTION T5611 WOOFER 15'' FTR15-4080HDX PRO AUDIO 1000W remove
Imagerecone kit jbl eon15 c8reon15
SKUED15LFC15-NW100JBL-C8REON1515-NDL76ED15CT5611
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Description
Content DELTA-15LFA Series American Standard

Recommended for professional audio as a mid-bass or floor monitor in a sealed enclosure. Also suitable as a woofer in vented, bass guitar or PA enclosures.

Product type Loudspeaker Chassis
Type PA
Nominal Diameter 15 "
Nominal Diameter 381 mm
Voice Coil 2.5 "
Voice Coil 63.5 mm
Overall diameter 384.8 mm
Pitch Circle Diameter 369.9 mm
Section Diameter 352.3 mm
Diameter of fixing holes 6.4 mm
Depth 160 mm
Nominal Impedance 4 Ohm(s)
Nominal Load Capacity 500 W
maximum rated load 1000 W
Sensitivity (1 W / 1 m) 96 dB
Frequency response 42 - 3200 Hz
Voice Coil Material copper
Magnet Ferrite
Depth of the magnetic gap 9.53 mm
Thiele & Small Parameter
Fs (Resonance Frequency) 39 Hz
Re (DC resistance) 6.11 Ohm(s)
Qms (mechanical quality) 6.3
Le (inductance of the voice coil) 1.37 mH
Qes (electrical quality) 0.52
Qts (overall quality) 0.48
Vas (equivalent volume) 241
Mms (moving mass) 75 g
BL (power factor) 14.6 T/m
Xmax (maximum displacement) 4.8 mm
Cms (elasticity of the suspension) 0.23 mm/N
Sd (membrane area) 873 cm²
Weight 6,71 kg
1600 W continuous program power capacity
100 mm (4 in) copper voice coil
35 – 1500 Hz response
97 dB sensitivity
FEA optimized Neodymium magnet assembly allows the highest force factor and excursion capability
Double silicone spider with optimized compliance
Ventilated voice coil gap for reduced power compression
1000 W continuous program power capacity
76 mm (3 in) copper voice coil
40 – 2000 Hz response
99.5 dB sensitivity
Neodymium magnet allows a very light yet powerful motor assembly
Ventilated voice coil gap for reduced power compression
DELTA-15A Series Standard American Recommended for professional audio as a mid-bass or vocal wedge in a sealed enclosure. Also suitable as a mid-bass or woofer in vented enclosures. SPECIFICATION
  • Nominal Basket Diameter 15“, 381 mm
  • Nominal Impedance 4 ohms
  • Power Rating Watts 400 W / Music Program 800 W
  • Resonance 40 Hz
  • Usable Frequency Range 48 Hz - 4 kHz
  • Sensitivity 100
  • Magnet Weight 56 oz.
  • Gap Height 0.375“, 9.53 mm
  • Voice Coil Diameter 2.5“, 63.5 mm
THIELE & Small Parameters
  • Resonant Frequency (fs) 40 Hz
  • DC Resistance (Re) 6.3
  • Coil Inductance (Le) 0.64 mH
  • Mechanical Q (Qms) 8.05
  • Electromagnetic Q (Qes) 0.57
  • Total Q (Qts) 0.53
  • Compliance Equivalent Volume (Vas) 270.7 liters / 9.56 cu.ft
  • Peak Diaphragm Displacement Volume (Vd) 233 cc
  • Mechanical Compliance of Suspension (Cms) 0.26 mm/N
  • BL Product (BL) 13.2 T-M
  • Diaphragm Mass inc. Airload (Mms) 62 grams
  • Efficiency Bandwidth Product (EBP) 70
  • Maximum Linear Excursion (Xmax) 2.7 mm
  • Surface Area of Cone (Sd) 864.6 cm²
  • Maximum Mechanical Limit (Xlim) 11.1 mm
MOUNTING Information
  • Recommended Enclosure Volume Sealed 37-42.5 liters/1.3-1.5 cu.ft. Vented 82-161.4 liters/2.9-5.7cu.ft.
  • Overall Diameter 15.15“, 384.8 mm
  • Baffle Hole Diameter 13.77“, 349.6 mm
  • Front Sealing Gasket fitted as standard
  • Rear Sealing Gasket fitted as standard
  • Mounting Holes Diameter 0.25“, 6.4 mm
  • Mounting Holes B.C.D. 14.56“, 369.9 mm
  • Depth 6.05“, 154 mm
MATERIALS of Construction
  • Aluminum voice coil
  • Polyimide former
  • Ferrite magnet
  • Vented core
  • Pressed steel basket
  • Paper Cone
  • Cloth cone edge
  • Solid composition paper dust cap
  • 15" ferrite subwoofer offers 1000Wrms (AES) continuous power handling and a frequency response of 40Hz-2500Hz
  • 4" high temperature Inside/Outside voice coil efficiently dissipates heat, preventing sensitivity loss through thermal compression
  • Double suspension and a "multi-roll” surround provide exceptional linearity at extremes of cone excursion
  • Intelligent heat management in both chassis and magnet assembly design further minimises distortion
  • Less than 10kg - very low weight for this product class
Nominal diameter (mm/in) 381/15
Power Rating (AES, W rms) 1000
Nominal impedance (Ω) 8
Voice coil diameter (mm/in) 101.6/4.0
Magnet type Ferrite
Magnet weight (kg/oz) 3.1/110
Chassis type Cast aluminium
Sensitivity (dB) 96
Frequency range (Hz) 40-2500
Coil material Round copper
Former material Glass fibre
Cone material Glass loaded paper with weather resistant impregnation
Surround material Cloth-sealed
Suspension Double
Xmax (mm/in) 8.0/0.33
Gap depth (mm/in) 10.0/0.40
Voice coil winding width (mm/in) 25.0/0.99
Small Signal Parameters
D (m/in) 0.33/12.99
Fs (Hz) 40.5
Mmt (g/oz) -
Mmd (g/oz) 139.38/4.92
Mair 14.149/0.499
Qms 3.98
Qes 0.36
Qts 0.33
Re (Ω) 5.10
Vas (lt/ft3) 104.27/3.68
BI (Tm) 23.53
Cms (mm/N) 0.10
Rms (kg/s) 9.81
Le (mH) 1.8
Mounting Information
Overall diameter (mm/in) 385/15.16
Overall depth (mm/in) 180/7.1
Cut-out diameter (mm/in) 351/13.82
Mounting slot dimensions (mm/in) 10 x 6.5/0.4 x 0.26
Number of mounting slots 8
Mounting slot PCD range (mm/in) 365-375/14.37-14.76
Unit weight (kg/lb) 9.7/21.3
Packed Dimensions and Weight
Single pack size W x D x H (mm/in) 435 x 435 x 200/17.1 x 17.1 x 7.9
Single pack weight (kg/lb) 11.5/25.4
Multipack (36) size W x D x H (mm/in) 1210 x 1050 x 980/47.6 x 41.3 x 35.4
Multipack (36) weight (kg/lb) 380/836
Weight7.00 kg9.00 kg1.00 kg4.60 kg4.00 kg9.70 kgDimensionsN/AN/AN/AN/AN/AN/AAdditional information
Weight 7.00 kg
Weight 9.00 kg
Weight 1.00 kg
Weight 4.60 kg
Weight 4.00 kg
Weight 9.70 kg