K122A12

SPEAKER MODEL

K122A12

Specifications

Nominal diameter

300mm / 12"

Rated Impedance

8 ohms

AES Continuous Pink Noise Power

300 W

Sensitivity

98.0 dB SPL 1w / 1m

Frequency Range

45Hz - 4.0kHz

MAX Recomm. Frequency

3.0 kHz

Efective Piston Diameter

262mm  / 10.3 in

Voice Coil Winding Material

Copper-clad aluminum

Voice Coil

Winding Depth

12mm / 0.47in

Voice Coil Diameter

52mm / 2"

Magnetic Gap Depth

7mm / 0.28in

Magnetic Assembly

Weight

3.2 kg / 7.0 lbs

Flux Density

1.15 T

Bl Factor

12.5 T*m

Effective Moving Mass

0.036 kg

Thiele-Small Parameters

Free Air Resonanace (Fs)

44.0 Hz

D.C. Coil Resistance (Re)

 6.0 (8) ohms

Total Quality Factor (Qts)

0.36

Mechanical Losses (Qms)

6.8

Electrical Losses (Qes)

0.4

Equivalent Volume of Air (Vas)

153.0 Liters

Effective Pistone Area (Sd)

555 sq.cm

Excursion (Xmax)

+/- 2.5 mm

Max. Power Rating (Pe)

150W RMS sine wave

Inductance of V.C. (Le)

Efficiency (No)

3.27%

Mounting Information

Overall Diameter

308mm / 12.13 in

Overall Depth

100mm / 4 in

Bolt Circle Diameter

291mm / 11.42 in

Baffle Cuotour Diameter

                 Front Mount

278mm / 10.95 in

                 Rear Mount

274mm / 10.9 in

Net Weight

4.0 kg / 10.0 lbs

Shipping Weight

4.5 kg / 11.25 lbs