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Product type
Loudspeaker Chassis
Type
PA
Nominal Diameter
8 "
Nominal Diameter
200 mm
Voice Coil
1.46 "
Voice Coil
37 mm
Overall diameter
209.2 mm
Pitch Circle Diameter
196.9 mm
Cut- out Measurement
178 mm
Mounting holes
8
Diameter of fixing holes
6 mm
Depth
89 mm
Nominal Impedance
8 Ohm(s)
Nominal Load Capacity
130 W
maximum rated load
260 W
Sensitivity (1 W / 1 m)
95 dB
Frequency response
60 - 5000 Hz
Voice Coil Material
Aluminum
Magnet
Ferrite
Depth of the magnetic gap
6 mm
Thiele & Small Parameter
Fs (Resonance Frequency)
80 Hz
Re (DC resistance)
5.9 Ohm(s)
Qms (mechanical quality)
13
Le (inductance of the voice coil)
0.44 mH
Qes (electrical quality)
0.66
Qts (overall quality)
0.63
Vas (equivalent volume)
13.6
Mms (moving mass)
15 g
BL (power factor)
8.2 T/m
Xmax (maximum displacement)
4.67 mm
Cms (elasticity of the suspension)
0.36 mm/N
Sd (membrane area)
191 cm²
Rms (mechanical loss resistance)
0.6 kg/s
Weight
2,2 kg
| 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
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- 93 dB sensitivity 1 W / 1 m
- 200 W + 80 W Power Handling
- 2" + 1.75" Sandwich Voice Coil
- Single Point Source providig coherent Wave Front
- 90° conical Dispersion
- Optimal for compact 2- or 3-way Systems
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Nominal Specifications - Nominal Diameter 8“, 200 mm
- Overall Diameter 8.81/8.18“, 223.7/207.9 mm
- Bolt Circle Diameter 8.27“, 210 mm
- Baffle Cutout Diameter 7.20“, 183 mm
- Depth 3.88“, 98.5 mm
- Flange and Gasket Thickness 0.43“, 10.8 mm
Electrical Specifications - Minimum Impedance 7 Ohm
- Nominal Impedance 8 Ohm
- Nominal Power Handling*** 200 W
- Maximum Power Handling**** 400 W
- Sensitivity (1W/1m) 95 dB
- Frequency Range 70 - 5000 Hz
- Voice Coil Diameter 2“, 52 mm
- Winding Material Aluminium
- Former Material Glass Fiber
- Winding Depth 0.65“, 16.5 mm
- Magnetic Gap Depth 0.31“, 8 mm
- Flux Density 1.15 T
THIELE & SMALL Parameters - Resonant Frequency (fs) 65 Hz
- DC Resistance (Re) 5.7 Ohm
- BL Product (BL) 13.5 N/A
- Diaphragm Mass inc. Airload (Mms) 25,3 grams
- Mechanical Compliance of Suspension (Cms) 0.24 mm/N
- Rms 3.38 Kg/s
- Electromagnetic Q (Qes) 0.32
- Mechanical Q (Qms) 3.1
- Total Q (Qts) 0.29
- Compliance Equivalent Volume (Vas) 0.46 ft³, 12.9 dm³
- Surface Area of Cone (Sd) 30.38“², 196 cm²
- Maximum Linear Excursion (Xmax)* 6.92 mm
- Xdamage** 15.7 mm
- Coil Inductance (Le) 0.46 mH
- Diaphragm mass (Mmd) 23.7 g
- Eta Zero 1.06 %
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
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JBL 124-58001-00 Woofer from JBL for control 28 speaker. - JBL Control 28 Factory Speaker Woofer Part # 124-58001-00
- This is a complete brand new JBL, Control 28 woofer
- Voice coil: 1-1/2" (25mm)
- Diameter: 8-1/4" (210mm) 9-1/4" (235mm) diagonally
- Impedance: 8 ohm, DCR: 6 ohm
- Poly cone with rubber edge
- Fits JBL Driver and Cabinet Models:
JBL: Control 28, Control 28T, Control 28T60, Control 28WH, 123-10002-00, 1231000200124-58001-00, 1245800100
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Nominal Specifications
* Nominal Diameter 8“, 200 mm
* Overall Diameter 8.81/8.18“, 223.8/203.9 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 6.4 Ohm
* Nominal Impedance 8 Ohm
* Nominal Power Handling*** 200 W
* Maximum Power Handling**** 400 W
* Sensitivity (1W/1m) 95 dB
* Frequency Range 60 - 5000 Hz
* Voice Coil Diameter 2“, 52 mm
* Winding Material Aluminium
* Former Material Glass Fiber
* Winding Depth 0.76“, 19.3 mm
* Magnetic Gap Depth 0.35“, 9 mm
* Flux Density 1.15 T
THIELE & SMALL Parameters
* Resonant Frequency (fs) 58 Hz
* DC Resistance (Re) 5.1 Ohm
* BL Product (BL) 11.3 N/A
* Diaphragm Mass inc. Airload (Mms) 24 grams
* Mechanical Compliance of Suspension (Cms) 0.31 mm/N
* Rms 0.93 Kg/s
* Electromagnetic Q (Qes) 0.34
* Mechanical Q (Qms) 9.4
* Total Q (Qts) 0.35
* Compliance Equivalent Volume (Vas) 0.62 ft³, 17.6 dm³
* Surface Area of Cone (Sd) 30.8“², 199 cm²
* Maximum Linear Excursion (Xmax)* 8.15 mm
* Xdamage** 13.5 mm
* Coil Inductance (Le) 0.55 mH
* Diaphragm mass (Mmd) 22 g
* Eta Zero 1.02 %
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
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