8NDL64
LF Drivers - 8.0 Inches
700 W continuous program power capacity
64 mm (2.5 in) copper voice coil
80 - 4000 Hz response
97 dB sensitivity
Neodymium inside slug magnet assembly
Shorting copper cap for extended HF response
Ventilated voice coil gap for reduced power compression
Specifications
Nominal diameter 200 mm (8.0 in)
Nominal impedance 8 Ω
Minimum impedance 7.2 Ω
Nominal power handling
1 350 W
Continuous power
handling
2 700 W
Sensitivity (1W/1m)3 97.0 dB
Frequency range 80 - 4000 Hz
Voice coil diameter 64 mm (2.5 in)
Winding material Copper
Former material Glass Fibre
Winding depth 14 mm (0.55 in)
Magnetic gap depth 8 mm (0.31 in)
Flux density 1.25 T
Design
Surround shape Double Roll
Cone shape Exponential
Magnet material Neodymium Inside
Slug
Design
Spider Single
Pole design T-Pole
Woofer cone treatment WP Waterproof Front
Side
Recommended
enclosure 10.0 dm3 (0.35 ft3)
Recommended tuning 85 Hz
Parameters
4
Fs 80 Hz
Re 5.4 Ω
Qes 0.24
Qms 11.0
Qts 0.25
Vas 10.0 dm3 (0.35 ft3)
Sd 220.0 cm2 (34.1 in
2)
η₀ 1.9 %
Xmax 4.5 mm
Xvar 5.0 mm
Mms 28 g
Bl 17.5 Txm
Parameters
Le 0.62 mH
EBP 333 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 95 mm (3.74 in)
Flange and gasket
thickness 10 mm (0.39 in)
Air volume occupied
by driver 1.5 dm3 (0.05 ft3)
Net weight 2.8 kg (6.17 lb)
Shipping weight 3.2 kg (7.05 lb)
Shipping box 300x160x180 mm
(11.8x6.3x7.1 in)
Service Kit
RCK008NDL648
