Driver Complement     

One Reference High-Velocity Folded Ribbon AMT Tweeter

One 8" High-Definition Cast-Basket Multi-Vaned Phase Plug (MVPP) Mid/Bass Drivers
Efficiency     90dB 1W/1M @ 4Ω (2.83V/1M)
Frequency Response     40Hz–25kHz typical (-6dB on axis @ 70Hz, anechoic bass response)
Nominal Impedance     4Ω
Recommended Amplification     10 - 300Wpc
Dimensions     

Speaker: 12.6" (32cm) diameter x 5.9" (15.1cm) D

Square Grille: 13.2" (33.53cm) x 13.2" (33.53cm)

Round Grille: 13.2” (33.53cm) diameter

Cutout: 11.6" (29.5cm) diameter
Weight     Product: 7.75lbs (3.5kg); Shipping: 10lbs (4.5kg)