Sensitivity (2.83v @ 1m, Free-Field)
86 dB

Recommended Amplifier Power​ (RMS into 4 Ohm, Music Signal)
50 - 300 W

Continuous Power Handling (RMS into 6 Ohms, Pink Noise with 6dB Crest Factor)
150 W

Nominal Impedance
6 Ohms

Minimum Impedance (20 Hz to 20 kHz)​​
4.2 Ohms @ 220 Hz

Drive Unit Complement
2 x 41/4" (108 mm) RDT III Bass-Mid Drivers
1 x MPD III Tweeter

Frequency Response, Free-Field (-6dB)​
53 - 60 kHz

Frequency Response, In-Room (-6dB)
48 Hz - 60 kHz

Maximum Peak SPL (single speaker @1m Z-Weighted)
113 dB

Bass Alignment
Ported

Port Tuning Frequency
58 Hz

Crossover Frequency
2400 Hz

External Dimensions (including Terminals (H x W x D))
340 x 157 x 361 mm (133/8 x 63/16 x 143/16")

Weight (each)
7.6 kg (16 lbs 12 oz)