Specifications :

- Model : R500
- Design : Three-way bass reflex
- Drive units Uni-Q driver array : HF: 25mm (1in.) vented aluminium dome / MF: 125mm (5in.) aluminium / Bass units: LF: 2 x 130mm (5.25in.) aluminium
- Frequency range (-6dB) : 39Hz - 45kHz
- Frequency response (±3dB) : 46Hz - 28kHz
- Crossover frequency : 500Hz, 2.8kHz
- Amplifier requirements : 25 - 150 W
- Sensitivity (2.83V/1m) : 88dB
- Harmonic distortion 2nd & 3rd harmonics (90dB, 1m) : <0.4% 120Hz-20kHz
- Maximum output : 111dB
- Nominal impedance : 8Ω (min. 3.2Ω)
- Weight : 21.8kg (48lbs.)
- Dimension (H x W x D) (with grille and terminal) : 1015 x 180 x 305 mm (40 x 7.1 x 12 in.)
- Dimension (H x W x D) (with grille, terminal & plinth) : 1066 x 299 x 328 mm (42 x 11.8 x 12.9 in.)