B&C 320 K/C-A 12-Inch Full Range Driver - 120W, 8 Ohm

B&C 320 K/C-A 12-Inch Full Range Driver Features

- 240 W continuous program power capacity
- 38 mm (1.5 inch) copper voice coil
- 80 - 16000 Hz response
- 100 dB sensitivity
- Shorting copper cap for extended HF response

B&C 320 K/C-A 12-Inch Full Range Driver Specifications

- Nominal Basket Diameter: 320 mm (12.6 inches)
- Nominal Impedance: 8 Ω
- Minimum Impedance: 6.3 Ω
- Nominal Power Handling: 120 W
- Continuous Power Handling: 240 W
- Frequency Response: 80 - 16000 Hz
- Sensitivity (1W/1m): 101.0 dB
- Voice Coil Diameter: 38 mm (1.5 inches)
- Winding Material: Copper
- Former Material: Kraft Paper
- Winding Depth: 9.0 mm (0.37 inches)
- Magnetic Gap Depth: 9.0 mm (0.37 inches)
- Flux Density: 1.4 T
- Connection: Spade Terminals

Design:
- Surround shape: Accordion
- Cone shape: Radial
- Magnet material: Ferrite Ring
- Spider: Single
- Pole design: Straight Pole
- Woofer cone treatment: None
- Recommended enclosure: 60.0 dm³
- Recommended tuning: 75 Hz

Parameters:
- Fs: 82 Hz
- Re: 5.4 Ω
- Qes: 0.52
- Qms: 13.3
- Qts: 0.5
- Vas: 53.0 dm³
- Sd: 522.0 cm²
- η₀: 5.4 %
- Xmax: ± 2.0 mm
- Mms: 27.0 g
- Bl: 12.2 Txm
- Le: 1.1 mH
- EBP: 157 Hz

Physical:
- Overall diameter: 316 mm (12.44 inches)
- Bolt circle diameter: 298 mm (11.3 inches)
- Baffle cutout diameter: 286 mm (11.26 inches)
- Depth: 136 mm (5.35 inches)
- Flange and gasket thickness: 12 mm (0.47 inches)
- Air volume occupied by driver: 3.0 dm³
- Net weight: 4.5 kg

Further Product Information Below

B & C 320K/C-A (8 Ohm) Data Sheet (PDF)

B & C 320K/C-A Technical Drawing (PDF)