BMS BMS8N519L 8 N 519 L – 8″ Neodymium Bass Midrange Speaker 250 W 8 Ohm

337.80 incl. GR VAT

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EAN: 4049521154218
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94 dB sensitivity 1 W / 1 m 250 W Power handling 2″ voice coil Double treated cone for water protection Neodymium magnet system Tripie aluminum demodulating rings for ultra low distortion Optimal for compact 2-way systems Light weight carbon fibre diaphragm

 

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  • 94 dB sensitivity 1 W / 1 m
  • 250 W Power handling
  • 2″ voice coil
  • Double treated cone for water protection
  • Neodymium magnet system
  • Tripie aluminum demodulating rings for ultra low distortion
  • Optimal for compact 2-way systems
  • Light weight carbon fibre diaphragm
Weight 2.00 kg
Woofer Inch

8" Inch

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SKUBMS8N519L8CXN51EA8MRAFP8HX200AFPW8N8150A8NDL51-16
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Description
Content
  • 94 dB sensitivity 1 W / 1 m
  • 250 W Power handling
  • 2" voice coil
  • Double treated cone for water protection
  • Neodymium magnet system
  • Tripie aluminum demodulating rings for ultra low distortion
  • Optimal for compact 2-way systems
  • Light weight carbon fibre diaphragm

500 W continuous program power capacity 100° nominal coverage 70 - 18000 Hz response 97dB sensitivity Single Neodymium magnet assembly

ALPHA- Serie 100W- 200W

Recommended for professional audio and bass guitar applications as a mid-range. Sealed basket makes this
woofer independent of enclosure design.


SPECIFICATION
  • Nominal Basket Diameter 8“, 203.2 mm
  • Nominal Impedance 8 ohms
  • Power Rating Watts 125 W / Music Program 250 W
  • Resonance 514 Hz
  • Usable Frequency Range 400 Hz - 4.8 kHz
  • Sensitivity 100.9
  • Magnet Weight 20 oz.
  • Gap Height 0.25“, 6.35 mm
  • Voice Coil Diameter 1.5“, 38.1 mm

THIELE & Small Parameters
  • Resonant Frequency (fs) 514 Hz
  • DC Resistance (Re) 7.32
  • Coil Inductance (Le) 0.34 mH
  • Mechanical Q (Qms) 4.48
  • Electromagnetic Q (Qes) 2.08
  • Total Q (Qts) 1.42
  • Compliance Equivalent Volume (Vas) 0.8 liters / 0.03 cu.ft.
  • Peak Diaphragm Displacement Volume (Vd) 0cc
  • Mechanical Compliance of Suspension (Cms) 0.01 mm/N
  • BL Product (BL) 8.9 T-M
  • Diaphragm Mass inc. Airload (Mms) 6.9 grams
  • Efficiency Bandwidth Product(EBP) 247
  • Maximum Linear Excursion (Xmax) 1.6 mm
  • Surface Area of Cone (Sd) 205.9 cm²
  • Maximum Mechanical Limit (Xlim) 3.0 mm

MOUNTING Information
  • Recommended Enclosure Volume
    Sealed N/A
    Vented N/A
  • Overall Diameter 8.22“, 208.8 mm
  • Baffle Hole Diameter 7.19“, 182.5 mm
  • Front Sealing Gasket fitted as standard
  • Rear Sealing Gasket fitted as standard
  • Mounting Holes Diameter 0.22“, 5.5 mm
  • Mounting Holes B.C.D. 7.75“, 196.9 mm
  • Depth 3.25“, 83 mm

MATERIALS of Construction
  • Copper voice coil
  • Polyimide former
  • Ferrite magnet
  • Pressed steel basket with closed back
  • Paper Cone
  • Paper cone edge
  • Solid composition paper dust cap

Nom. Diameter     200 mm (8 in)
Overall Diameter     223.75/207.9 mm (8.81/8.19 in)
Bolt Circle Diameter     210 mm (8.27 in)
Baffle Cutout Diameter     183 mm (7.20 in)
Depth     110.7 mm (4.36 in)
Flange and Gasket Thickness     10.7 mm (0.42 in)
Net Weight     2.7 Kg (5.95 lb)
Shipping Box
(Single Carton Box)     246x246x150 mm (9.69x9.69x5.91 in)
Shipping Weight     3.4 Kg (7.50 lb)


Nom. Impedance     8 Ohm     8 Ohm
Minimum Impedance     6.6 Ohm     6.9 Ohm
Nom. Power Handling ***     250 W     30 W
Max Power Handling ****     500 W     60 W
Sensitivity (1W/1m) *****     95 dB     107 dB
Frequency Range     75÷4000 Hz     1500÷20000 Hz
Voice Coil Diameter     65 mm (2.50 in)     37 mm (1.46 in)
Winding Material     Al     Al
Former Material     Glass Fiber     Kapton
Winding Depth     12.5 mm (0.49 in)     2.1 mm (0.08 in)
Magnetic Gap Depth     8 mm (0.31 in)     2.6 mm (0.10 in)
Flux Density     1.2 T     1.85 T
Min. Cross. Freq. ******     -     1700 Hz
Dispersion Angle     -     90°
Diaphragm Material     -     Ketone Polymer
Diaphragm Shape     -     Annular


Fs     76 Hz
Re [LF]     5.5 Ohm
Re [HF]     5.5 Ohm
Qes     0.31
Qms     10.5
Qts     0.3
Vas     12.6 dm^3 (0.44 ft^3)
Sd     211 cm^2 (32.71 in^2)
Xmax *     4.92 mm
Xdamage **     10.2 mm
Mms     22 g
Bl     13.7 N/A
Le     0.51 mH
Mmd     20.3 g
Cms     0.2 mm/N
Rms     1 Kg/s
Eta Zero     1.74 %
EBP     245 Hz

Nominal Specifications

    * Nominal Diameter 8“, 200 mm
    * Overall Diameter 8.81/8.18“, 223.8/207.9 mm
    * Bolt Circle Diameter 8.27“, 210 mm
    * Baffle Cutout Diameter 7.24“, 184 mm
    * Depth 4.59“, 116.7 mm
    * Flange and Gasket Thickness 0.42“, 10.7 mm


Electrical Specifications

    * Minimum Impedance 6.5 Ohm
    * Nominal Impedance 8 Ohm
    * Nominal Power Handling*** 150 W
    * Maximum Power Handling**** 300 W
    * Sensitivity (1W/1m) 94 dB
    * Frequency Range 80 - 6300 Hz
    * Voice Coil Diameter 2“, 52 mm
    * Winding Material Aluminium
    * Former Material Glass Fiber
    * Winding Depth 0.53“, 13.5 mm
    * Magnetic Gap Depth 0.31“, 8 mm
    * Flux Density 1 T


THIELE & SMALL Parameters

    * Resonant Frequency (fs) 76 Hz
    * DC Resistance (Re) 5.8 Ohm
    * BL Product (BL) 9.86 N/A
    * Diaphragm Mass inc. Airload (Mms) 20.9 grams
    * Mechanical Compliance of Suspension (Cms) 0.2 mm/N
    * Rms 2.11 Kg/s
    * Electromagnetic Q (Qes) 0.59
    * Mechanical Q (Qms) 4.72
    * Total Q (Qts) 0.53
    * Compliance Equivalent Volume (Vas) 0.42 ft³, 11.9 dm³
    * Surface Area of Cone (Sd) 31“², 200 cm²
    * Maximum Linear Excursion (Xmax)* 5.42 mm
    * Xdamage** 12 mm
    * Coil Inductance (Le) 0.55 mH
    * Diaphragm mass (Mmd) 19.4 g
    * Eta Zero 0.85 %

Notes

    * *Xmax = [(winding depth - magnetic gap depth) / 2] + (magnetic gap depth / 3)
    * **Maximum excursion before permanent damage
    * ***2 Hours Test According to AES 2-1984 Rev. 2003
    * ****Maximum power is defined as 3dB greater than nominal power

The B&C Speakers 8NDL51-16 is an efficient and lightweight cast frame 8" neodymium driver. Its ventilated voice coil gap ensures long term power handling and reduced power compression, and a copper cap on the pole piece reduces inductance and extends high frequency response. The 8NDL51-16 is highly recommended for compact 2-way speaker systems or as the midbass/midrange element in high-output 3-way and 4-way designs.
  • Great for line arrays and horn loading
  • Neodymium magnet assembly
  • Ventilated voice coil gap for reduced power compression
  • Inductance-reducing copper cap on pole piece extends HF response
  • 2" copper voice coil on polyimide former
  • 400 watts continuous program power capacity
  • 65 - 3,000 Hz response
Weight2.002.501.643.401.702.20
DimensionsN/AN/AN/AN/AN/AN/A
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