Specifications
Nominal diameter 200 mm (8.0 in)
Nominal impedance 8 Ω
Minimum impedance 7.4 Ω
Nominal power handling1 200 W
Continuous power handling2 400 W
Sensitivity (1W/1m)3 97.0 dB
Frequency range 70 - 5000 Hz
Voice coil diameter 51 mm (2.0 in)
Winding material Copper
Former material Kapton
Winding depth 17 mm (0.65 in)
Magnetic gap depth 10 mm (0.4 in)
Flux density 1.35 T
Design
Surround shape Double Roll
Cone shape Exponential
Magnet material Ceramic
Design
Spider Single
Pole design T-Pole
Woofer cone
treatment
TWP Waterproof Both
Sides
Recommended
enclosure 12.0 dm3 (0.42 ft3)
Recommended tuning 74 Hz
Parameters4
Fs 74 Hz
Re 5 Ω
Qes 0.21
Qms 9.3
Qts 0.21
Vas 12.0 dm3 (0.42 ft3)
Sd 220.0 cm2 (34.1 in2)
η₀ 2.1 %
Xmax 6.0 mm
Xvar 5.0 mm
Mms 27 g
Bl 17.7 Txm
Parameters
Le 0.56 mH
EBP 352 Hz
Mounting And Shipping Info
Overall diameter 225 mm (8.8 in)
Bolt circle diameter 210 mm (8.3 in)
Baffle cutout
diameter 187.0 mm (7.4 in)
Depth 102 mm (4.0 in)
Flange and gasket
thickness 11 mm (0.4 in)
Air volume occupied
by driver 1.5 dm3 (0.05 ft3)
Net weight 5.3 kg (11.6 lb)
Shipping weight 5.6 kg (12.3 lb)
Shipping box 220x220x130 mm
(8.7x8.7x5.1 in)
Service Kit
Replacement
diaphragm RCK008FW518
