EMINENCE EB12A Beta-12 12” 250 W 8 Ohm SPEAKER

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Eminence Audio
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€136.50 incl. GR VAT

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BETA- 12A Series Standard American Recommended for professional audio and bass guitar applications as a woofer in a vented enclosure. Also works well for PA in a sealed or bandpass enclosure. SPECIFICATION Nominal Basket Diameter 12″, 304.8 mm Nominal Impedance 8 ohms Power Rating Watts 250 W / Music Program 500 W Resonance 47 Hz […]

 

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BETA- 12A Series Standard American

Recommended for professional audio and bass guitar applications as a woofer in a vented enclosure. Also
works well for PA in a sealed or bandpass enclosure.

SPECIFICATION

  • Nominal Basket Diameter 12″, 304.8 mm
  • Nominal Impedance 8 ohms
  • Power Rating Watts 250 W / Music Program 500 W
  • Resonance 47 Hz
  • Usable Frequency Range 43 Hz – 3.8 kHz
  • Sensitivity 98
  • Magnet Weight 38 oz.
  • Gap Height 0.312″, 7.92 mm
  • Voice Coil Diameter 2″, 50.8 mm

THIELE & Small Parameters

  • Resonant Frequency (fs) 47 Hz
  • DC Resistance (Re) 5.0
  • Coil Inductance (Le) 0.64 mH
  • Mechanical Q (Qms) 6.00
  • Electromagnetic Q (Qes) 0.50
  • Total Q (Qts) 0.46
  • Compliance Equivalent Volume (Vas) 120.1 liters / 4.2 cu. ft.
  • Peak Diaphragm Displacement Volume (Vd) 237 cc
  • Mechanical Compliance of Suspension (Cms) 0.29 mm/N
  • BL Product (BL) 10.8 T-M
  • Diaphragm Mass inc. Airload (Mms) 40 grams
  • Efficiency Bandwidth Product (EBP) 94
  • Maximum Linear Excursion (Xmax) 4.4 mm
  • Surface Area of Cone (Sd) 538.9 cm²
  • Maximum Mechanical Limit (Xlim) 11 mm

MOUNTING Information

  • Recommended Enclosure Volume
    Sealed 25.5-35.4 liters, 0.9-1.25 cu.ft.
    Vented 36.8-139 liters/1.3-4.9 cu.ft.
  • Overall Diameter 12.03″, 305.5 mm
  • Baffle Hole Diameter 10.95″, 278.1 mm
  • Front Sealing Gasket standard fitted as standard
  • Rear Sealing Gasket standard fitted as standard
  • Mounting Holes Diameter 0.25″, 6.4 mm
  • Mounting Holes B.C.D. 11.59″, 294.3 mm
  • Depth 4.57″, 116 mm

MATERIALS of Construction

  • Copper voice coil
  • Polyimide former
  • Ferrite magnet
  • Vented and extended core
  • Pressed steel basket
  • Paper Cone
  • Cloth cone edge
  • Solid composition paper dust cap
Weight 4.00 kg

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Quick Comparison

EMINENCE EB12A Beta-12 12'' 250 W 8 Ohm SPEAKER removeCELESTION T5491 WOOFER 12'' NTR12-3018D PRO AUDIO 350W removeB & C Speakers 12-CXT SPEAKER coaxial 12", 200W, 98dB removeBMS BMS12CN680L 12" Coaxial Neodymium Speaker 12CN680 500 W + 80 W 8 Ohm removeEMINENCE Kappa Pro 12 A 12'' 500 W 8 Ohm SPEAKER - Alu Basket removeJBL ΑΝΤΑΛΛΑΚΤΙΚΗ ΜΟΝΑΔΑ M212-8 remove
NameEMINENCE EB12A Beta-12 12'' 250 W 8 Ohm SPEAKER removeCELESTION T5491 WOOFER 12'' NTR12-3018D PRO AUDIO 350W removeB & C Speakers 12-CXT SPEAKER coaxial 12", 200W, 98dB removeBMS BMS12CN680L 12" Coaxial Neodymium Speaker 12CN680 500 W + 80 W 8 Ohm removeEMINENCE Kappa Pro 12 A 12'' 500 W 8 Ohm SPEAKER - Alu Basket removeJBL ΑΝΤΑΛΛΑΚΤΙΚΗ ΜΟΝΑΔΑ M212-8 remove
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Description
ContentBETA- 12A Series Standard American Recommended for professional audio and bass guitar applications as a woofer in a vented enclosure. Also works well for PA in a sealed or bandpass enclosure. SPECIFICATION
  • Nominal Basket Diameter 12", 304.8 mm
  • Nominal Impedance 8 ohms
  • Power Rating Watts 250 W / Music Program 500 W
  • Resonance 47 Hz
  • Usable Frequency Range 43 Hz - 3.8 kHz
  • Sensitivity 98
  • Magnet Weight 38 oz.
  • Gap Height 0.312", 7.92 mm
  • Voice Coil Diameter 2", 50.8 mm
THIELE & Small Parameters
  • Resonant Frequency (fs) 47 Hz
  • DC Resistance (Re) 5.0
  • Coil Inductance (Le) 0.64 mH
  • Mechanical Q (Qms) 6.00
  • Electromagnetic Q (Qes) 0.50
  • Total Q (Qts) 0.46
  • Compliance Equivalent Volume (Vas) 120.1 liters / 4.2 cu. ft.
  • Peak Diaphragm Displacement Volume (Vd) 237 cc
  • Mechanical Compliance of Suspension (Cms) 0.29 mm/N
  • BL Product (BL) 10.8 T-M
  • Diaphragm Mass inc. Airload (Mms) 40 grams
  • Efficiency Bandwidth Product (EBP) 94
  • Maximum Linear Excursion (Xmax) 4.4 mm
  • Surface Area of Cone (Sd) 538.9 cm²
  • Maximum Mechanical Limit (Xlim) 11 mm
MOUNTING Information
  • Recommended Enclosure Volume Sealed 25.5-35.4 liters, 0.9-1.25 cu.ft. Vented 36.8-139 liters/1.3-4.9 cu.ft.
  • Overall Diameter 12.03", 305.5 mm
  • Baffle Hole Diameter 10.95", 278.1 mm
  • Front Sealing Gasket standard fitted as standard
  • Rear Sealing Gasket standard fitted as standard
  • Mounting Holes Diameter 0.25", 6.4 mm
  • Mounting Holes B.C.D. 11.59", 294.3 mm
  • Depth 4.57", 116 mm
MATERIALS of Construction
  • Copper voice coil
  • Polyimide former
  • Ferrite magnet
  • Vented and extended core
  • Pressed steel basket
  • Paper Cone
  • Cloth cone edge
  • Solid composition paper dust cap
  • 12” neodymium woofer offers 300Wrms (AES) continuous power handling and 98dB sensitivity
  • 3” high temperature Inside/Outside voice coil efficiently dissipates heat, preventing sensitivity loss through thermal compression
  • M-roll surround provides progressive excursion control, yielding a smooth response even at extremes of frequency range
  • Extremely lightweight design combined with a highly efficient magnet assembly results in exceptional power-to-weight ratio
  • Intelligent heat management in both chassis and magnet assembly design further minimizes distortion
Nominal diameter (mm/in) 305/12
Power Rating (AES, W rms) 300
Nominal impedance (Ω) 8
Voice coil diameter (mm/in) 76.2/3.0
Magnet type Neodymium
Chassis type Cast aluminium
Sensitivity (dB) 98
Frequency range (Hz) 50-4000
Coil material Round copper
Cone material Kevlar loaded paper
Surround material Cloth-sealed
Suspension Single
Xmax (mm/in) 4/0.16
Gap depth (mm/in) 8.0/0.32
Voice coil winding width (mm/in) 16.0/0.63
Small Signal Parameters
D (m/in) 0.26/10.24
Fs (Hz) 56.4
Mmd (g/oz) 54.41/1.92
Mair 6.92/0.244
Qms 2.74
Qes 0.33
Qts 0.29
Re (Ω) 5.77
Vas (lt/ft3) 51.78/1.828
BI (Tm) 19.61
Cms (mm/N) 0.13
Rms (kg/s) 7.921
Le (mH) 0.778
Mounting Information
Overall diameter (mm/in) 310/12.2
Overall depth (mm/in) 137/5.39
Cut-out diameter (mm/in) 286/11.26
Mounting slot dimensions (mm/in) 6.5/0.26 x 9.5/0.37
Number of mounting slots 8
Mounting slot PCD range (mm/in) 294/11.57
Unit weight (kg/lb) 2.6/5.7
Packed Dimensions and Weight
Single pack size W x D x H (mm/in) -
Single pack weight (kg/lb) -
Multipack (60) size W x D x H (mm/in) 1080 x 980 x 880/42.5 x 38.6 x 34.6
Multipack (60) weight (kg/lb) 146/321

400 W continuous program power capacity
90° nominal coverage
50 – 20000 Hz response
98 dB sensitivity
XO-2 dedicated crossover network

   

  • Neodymium Coaxial Transducer
  • 98 dB Sensitivity 1 W / 1 m
  • 500 W + 80 W Power Handling
  • 3" Copper Sandwich Voice Coil
  • Triple Aluminum demodulating Rings
  • Elliptical 80° x 60° Waveguide for precise directivity
  • Single Point Source providing coherent Wave Front
  • Very high SPL, superb Quaity Sound
  • Optimal for compact 2-way Systems
KAPPA PRO-12A Professional SeriesRecommended for professional audio in a vented mid-bass, and vented bass enclosure incorporating a high-pass filter.
Product type
Loudspeaker Chassis
Type
PA
Nominal Diameter
12 "
Nominal Diameter
304.8 mm
Voice Coil
3 "
Voice Coil
76.2 mm
Overall diameter
314.5 mm
Pitch Circle Diameter
293.8 mm
Cut- out Measurement
281.1 mm
Diameter of fixing holes
6.5 mm
Depth
158 mm
Nominal Impedance
8 Ohm(s)
Nominal Load Capacity
500 W
maximum rated load
1000 W
Sensitivity (1 W / 1 m)
97.1 dB
Frequency response
57 - 2800 Hz
Voice Coil Material
copper
Magnet
Ferrite
Depth of the magnetic gap
9.53 mm
Fs (Resonance Frequency)
37 Hz
Re (DC resistance)
5.46 Ohm(s)
Qms (mechanical quality)
6.93
Le (inductance of the voice coil)
1.22 mH
Qes (electrical quality)
0.25
Qts (overall quality)
0.24
Vas (equivalent volume)
121
Mms (moving mass)
59 g
BL (power factor)
17.3 T/m
Xmax (maximum displacement)
4.8 mm
Cms (elasticity of the suspension)
0.32 mm/N
Sd (membrane area)
519.5 cm²
Weight
7,924 kg
Weight4.00 kg2.60 kg5.60 kg5.50 kg8.50 kg1.00 kgDimensionsN/AN/AN/AN/AN/AN/AAdditional information
Weight 4.00 kg
Weight 2.60 kg
Weight 5.60 kg
Weight 5.50 kg
Weight 8.50 kg
Weight 1.00 kg

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