B&C 4NDF34-8 4" Neodymium Mid-Range Woofer 200W / 8-Ohms LF Driver 110 - 8000 Hz

B&C 4NDF34-8 4" Neodymium Mid-Range Woofer 200 Watts / 8-Ohms

Neodymium Inside Slug Magnet material

• Unique to B&C, a complete lineup of high sensitivity and power handling 4” frame transducers. These high technology products are made with our famously critical quality control, allowing new compact loudspeaker designs with appropriately scaled performance.  For midrange applications our 4NDF34 offers 92dB sensitivity and 110 - 8000Hz frequency response.

Features

• 200 W continuous program power capacity
• 34 mm (1.34 in) copper voice coil
• 110 - 8000 Hz response
• 92 dB sensitivity
• Neodymium magnet allows a very light yet powerful motor assembly

Specifications

• Nominal Diameter: 100 mm (4.0 in)
• Nominal Impedance: 8 Ω
• Minimum Impedance: 6.4 Ω
• Nominal Power Handling1: 100 W
• Continuous power handling2: 200 W
• Sensitivity (1W/1m)3: 92.0 dB
• Frequency Range: 110 - 8000 Hz
• Voice Coil Diameter: 34 mm (1.34 in)
• Winding Material: Copper
• Former Material: Glass Fibre
• Winding Depth: 11.0 mm (0.43 in)
• Magnetic Gap Depth: 7.0 mm (0.28 in)
• Flux Density: 1.25 T

Design

• Surround Shape: Double Roll
• Cone Shape: Exponential
• Magnet Material: Neodymium Inside Slug
• Spider: Single
• Pole Design: T-Pole
• Woofer Cone Treatment: TWP Waterproof Both Sides

Parameters4

• Resonance Frequency: 110 Hz
• Re: 5.5 Ω
• Qes: 0.28
• Qms: 4.2
• Qts: 0.27
• Vas: 1.6 dm3 (0.06 ft3)
• Sd: 57.0 cm2 (8.84 in2)
• η₀: 0.7 %
• Xmax: ± 3.8 mm
• Xvar: ± 5.7 mm
• Mms: 6.1 g
• Bl: 9.0 Txm
• Le: 0.23 mH
• EBP: 392 Hz

Mounting and Shipping Info

• Overall Diameter: 127 mm (5.0 in)
• Bolt Circle Diameter: 115 mm (4.53 in)
• Baffle Cutout Diameter: 103.0 mm (4.06 in)
• Depth: 66 mm (2.6 in)
• Flange and Gasket Thickness: 3 mm (0.12 in)
• Air Volume Occupied by Driver: 0.25 dm3 (0.01 ft3)
• Net Weight: 0.57 kg (1.26 lb)
• Shipping Weight: 0.69 kg (1.51 lb)
• Shipping Box: 117x120x110 mm (4.61x4.72x4.33 in)

Service Kit

• Recone kit: RCK04NDF34