Specifications

* Nominal diameter 530mm/21"
* Voice coil diameter 151mm/6"
* Nominal impedance 8ohms
* Power rating(AES) 1000Watts
* Sensitivity(1w/1m) 99dB/1w/1m
* Frequency range 30-1000Hz
* Moving mass(incl. Air) 305grams
* Resonance 22Hz
* Voice coil Copper
* Voice coil winding depth 30mm
* Magnet gap depth 15mm
* Flux density 1.15T
* Also available in 4ohms, data upon request

Thiele & Small Parameters

* Fs 22Hz
* Re 5.6¦¸
* Qms 5
* Qts 0.17
* Qes 0.15
* Vas 686Litres
* Sd 1690 sq cm
* ¦Ço 3.5%
* Xmax +/-12mm
* Bl 44.14T/m
* Le 2.1mH

Mounting and shipping information

* Overall diameter 530mm/21"
* Bolt circle diameter 528mm/20.7"
* Baffle cutout diameter 492mm/19.37"
* Depth 222mm/8.74"
* Flange thickness 14mm/0.55"
* Net weight 13kg
* Shipping weight 16kg
* Shipping box 590x590x260mm