■ Specification

Nominal Diameter

460mm (18inch)

SPL

98.0 dB/W/M

Frequency Range

25.9~3,000 Hz

Voice Coil Diameter

79.5mm (3.13inch)

Voice Coil Material

Copper

Magnet Weight

2.87Kg (101.0oz)

Piston Diameter

380mm (14.96inch)

Magnet Gap Depth

9.0mm (0.35inch)

Coil Winding Depth

16.0mm (0.63inch)

■ Thiele/ Small Parameter

D.C. Resistance

5.0 Ohm

Fs

25.9 Hz

Qts/ Qes/ Qms

0.1738/ 0.1834/ 3.34

Vas

480.79L (16.98ft³)

Sd

0.1134m² (175.77in²)

Xmax

4.0mm(0.16in)

Half-Space Reference Efficiency

4.37 %

Efficiency Bandwidth Product

141.22 Hz

Le

0.82 mH

Cms

0.00027 m/N

BL

25.05 TM

Rms

5.38 Kg/s

Vd

453.6 ccm

■ Mounting Information

Overall Diameter

460mm (18.11inch)

Bolt Circle Diameter

440.0mm (17.32inch)

Baffle Cutout Diameter

418.0mm (16.46inch)

Depth

250.0mm (9.84inch)

Net Weight

14.5Kg (31.97lb)