Sensitivity (2.83 V/1 m): 90 dB
Recommended Amp. Power: Listening distance:

3 m: 20 watts (4 ohm)
5 m: 50 watts (4 ohm)
7 m: 100 watts (4 ohm)
10 m: 200 watts (4 ohm)

IEC Long Term Power Handling: 500 watts (4 ohm)
Impedance, Nominal: 4 ohms
Impedance, (20-200 Hz): 3.1 - 14 ohms
Impedance, (200-20 kHz): 3.6 - 6.7 ohms
Impedance, Phase Shift (20-200 Hz): -50° - +26°
Impedance, Phase Shift (200-20 kHz): -3° - +20°
Impedance, HF (200 kHz): 6.1 ohms
Frequency Response (+/- 3 dB): 29 - 25000 Hz
Resonance Frequency: 28 Hz
Internal Cabinet Volume: 64 litres
Bass Principle: Reflex
Weight: 248 lbs. (113 kg)
Dimensions (W x H x L): 8.26 (15.35 baseplate) x 76.10 x 19.29 inches
210 (390 baseplate) x 1933 x 490 mm
Crossover: 3 way
Crossover Frequencies: 500, 2300 Hz
Crossover Slope: 6 dB/oct
Connection: CE-comp. WBT gold binding posts
Recommended Placing: Free floor standing
Remarks: Tweeters:
28 mm soft dome
Magnetic fluid
40 mm aluminum-alloy front with high heat-dissipation integrated in baffle
Pure aluminum wire voice coil
Aluminum-alloy rear chamber with high heat-dissipation
Over-dimensioned Neodymium magnet rings

Midranges:
15 cm one-piece moulded MSP-cone
38 mm pure aluminum wire voice coil
Propietary hybrid magnetic circuit

Woofers:
17 cm, one-piece moulded MSP-cone
75 mm pure aluminum wire voice coil
Neodymium dual-magnet rings
Magnetic fluid