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B & C PROFESSIONAL COMPONENTS |
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4NDF34 - 4" LIGHTWEIGHT NEO MIDRANGE SPEAKER |
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SPEAKER
MODEL |
4NDF34 |
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SPECIFICATIONS |
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|
Nominal
Basket Diameter |
4" |
|
Impedance |
8 ohms |
|
RMS
Power Rating |
100
Watts |
| Program Power | 200 Watts |
|
Frequency
Response |
110Hz
- 8kHz |
|
Sensitivity
(1W/1m) |
92dB |
|
Voice
Coil Diameter |
1.34" / 34mm |
| Winding Depth | .43" / 11mm |
| Magnetic Gap Depth | .28" / 7mm |
| Flux Density | 1.25T |
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MATERIALS |
|
|
Cone |
Waterproof Paper |
| Surround Shape |
|
| Cone Shape | Exponential |
| Former Material | Glass Fiber |
| Winding Material | Copper |
| Pole Design | T-Pole |
| Magnet | Neodymium |
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MOUNTING INFORMATION |
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|
Overall
Diameter |
5" / 127mm |
| Bolt Circle Diameter | 4.53" / 115mm |
| Baffle Cutout Diameter | 4.06" / 103mm |
| Depth | 2.6" / 66mm |
| Flange & Gasket Thickness | .12" / 3mm |
| No. Of Mounting Holes | 4 |
| Net Weight | 1.21 lbs./ .55 kg. |
| Shipping Weight | 1.48 lbs./ .67 kg. |
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THIELE-SMALL PARAMETERS |
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|
Resonant Frequency (fs) |
110Hz |
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Impedance
(Re) |
5.5 ohms |
| Electrical Factor(Qes) | .28 |
| Mechanical Q (Qms) | 4.2 |
| Total Q (Qts) | .27 |
| Compliance Equiv. Vol. (Vas) | 1.6 Liters/.076cu. ft. |
| Voice Coil Overhang (Xmax) | 3.8mm |
| Reference Efficiency | 0.7% |
| Diaphragm Mass (Mms) | 6.1 Grams |
| BL Factor | 9 T-M |
| Coil Inductance (Le) | 0.23mH |
| Surface Area of Cone (Sd)m2 | 0.0057m2 |
| FREQUENCY RESPONSE | |
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| IMPEDANCE CURVE | |
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| MOUNTING DIMENSIONS | |
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US Speaker, LLC