4NDF34
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 in)
Nominal Impedance
8 Ω
Minimum Impedance
6.4 Ω
Nominal Power Handling
100 W
Continuous Power Handling
200 W
Sensitivity
92 dB
Frequency Range
110 Hz - 8000 Hz
Voice Coil Diameter
34 mm (1.3 in)
Winding Material
Copper
Former Material
Glass Fibre
Winding Depth
11 mm (0.43 in)
Magnetic Gap Depth
7 mm (0.28 in)
Flux Density
1.25 T
Woofer Cone Treatment
TWP Waterproof Both Sides
Parameters
Fs
110 Hz
Re
5.5 Ω
Qes
0.28
Qms
4.2
Qts
0.27
Vas
1.6 dm³ (0.06 ft³)
Sd
57 cm² (8.84 sq²)
η0
0.7 %
Xmax
3.8 mm
Xvar
5.7 mm
Mms
6.1 g
Bl
9 Tm
Le
0.23 mH
EBP
393 Hz
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
Mounting and Shipping Info
Overall Diameter
127 mm (5 in)
Bolt Circle Diameter
115 mm (4.53 in)
Baffle Cutout Diameter
103 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
0.55 kg (1.21 lb)
Shipping Units
1 pcs
Shipping Weight
0.67 kg (1.48 lb)
Shipping Box
117x120x110 mm (4.61x4.72x4.33 in)
Service Kit
lf Recone Kit
RCK04NDF34
Cone
Gasket
Centering Shims