Frequency Range
Frequency Response
Harmonic Distortion
Nominal Impedance
Crossover Frequency
Recommended Amplifier Power
Max Recommended
Cable Impedance
54
CT8 DS
Description
3-way monopole/2-way dipole selectable
closed-box surround system
Drive Units
1x Ø32mm (1
6x Ø100mm (4 in) midrange/high-frequency
1x Ø150mm (6 in) woven Kevlar® cone FST™ midrange
2x Ø250mm (10 in) Rohacell® cone bass
-6dB at 26Hz and 40kHz (monopole mode)
-6dB at 26Hz and 22kHz (dipole mode)
31Hz – 22kHz ±3dB on reference axis (monopole mode)
31Hz – 18kHz ±3dB power averaged over front hemisphere
(dipole mode)
Dispersion
Monopole mode: Within 2dB of reference response
Horizontal:
Vertical:
Dipole mode: horizontal figure of eight
Effective null zone ±30° (250Hz – 18kHz)
Sensitivity
93dB spl (2.83V, 1m) (mf/hf)
2nd and 3rd harmonics (90dB, 1m)
<1% 45Hz – 20kHz
8Ω (minimum 4Ω)
300Hz and 4kHz (monopole mode)
300Hz (dipole mode)
500W – 1000W into 8Ω on unclipped programme
0.1Ω
Dimensions
Height:
Width:
Depth:
Weight
75kg (165 lb)
/
in) metal dome high-frequency
1
4
over 60° arc
over 10° arc
1100mm (43.3 in) (without spike feet)
325mm (12.8 in)
250mm (9.85 in)