Nominal Impedance

4 ohms

Recommended Amplifiers

10 to 500 watts

Frequency Response

20hz to 30Khz

Sensitivity

91db linear for 1 watt at 1 metre

Bass Driver (2)

8" professional drivers with specially doped polypropylene cone.

Midrange Driver (2)

2" soft dome midrange with dedicated rear chamber and heavy duty non-resonant front plate.

Tweeter

1" soft dome with unique inner chamber and front plate.

Crossover

Finest components on dedicated circuit board. Multistrand oxygen-free copper cable

throughout. Split for optional bi-wiring and bi-amping.

Dimensions

54 1/2" (1384mm) high on plinths with spikes

10" (254mm) wide

15" (381mm) deep

Weight

121lbs (55kg) cabinet

Mode

Floorstanding

Grille

Acoustically transparent crimplene

Finish

Yew

http://www.proac-loudspeakers.com/