12″ B&C Full-range 320K/C-A 8Ω|16Ω

Specifications

Nominal Diameter: 320 mm (12 in)
Minimum Impedance: 6.3 Ω
Continuous Power Handling: 240 W
Frequency Range: 80 Hz – 16000 Hz
Winding Material: Copper
Winding Depth: 9 mm (0.37 in)
Flux Density: 1.4 T
Nominal Impedance: 8 Ω
Nominal Power Handling: 120 W
Sensitivity: 101 dB
Voice Coil Diameter: 38 mm (1.5 in)
Former Material: Kraft Paper
Magnetic Gap Depth: 9 mm (0.35 in)
Woofer Cone Treatment: None

Parameters

Fs: 82 Hz
Qes: 0.52
Qts: 0.5
Sd: 522 cm² (80.91 in²)
Xmax: 2 mm
Bl: 12.2 Tm
EBP: 158 Hz
Re: 5.4 Ω
Qms: 13.3
Vas: 53 dm³ (1.87 ft³)
η₀: 5.4 %
Mms: 27 g
Le: 1.1 mH

Design

Surround Shape: Accordion
Magnet Material: Ferrite
Pole Design: Straight Pole
Recommended Enclosure: 60 dm³ (2.12 ft³)
Cone Shape: Radial
Spider: Single
Woofer Cone Treatment: None
Recommended Tuning: 75 Hz

Mounting and Shipping Info

Overall Diameter: 316 mm (12.44 in)
Baffle Cutout Diameter: 286 mm (11.26 in)
Flange and Gasket Thickness: 12 mm (0.47 in)
Net Weight: 4.6 kg (10.14 lb)
Shipping Weight: 5.5 kg (12.13 lb)
Bolt Circle Diameter: 298 mm (11.73 in)
Depth: 136 mm (5.35 in)
Air Volume Occupied by Driver: 3 dm³ (0.11 ft³)
Shipping Units: 1 pcs
Shipping Box: 360x360x200 mm (14.17×14.17×7.87 in)

Service Kit

Recone Kit: RCK320KC8A
Cone
Gasket
Centering Shims