Nominal Basket Diameter 18"  460mm
Nominal Impedance 8 ohm
Nominal Power Handling(AES) 700W
Continuous Power Handling 1400W
Resonance 30HZ
Usable Frequency Range 30HZ-2KHZ
Sensitivity 97 dB
Magnet Weight 80 oz
Voice coil (TIL) 3"75.5mm
THIELE&SMALL PARAMETERS
Resonant Frequency fs 30HZ
DC Resistance Re 5.7 ohm
Mechanical Q Qms 11.21
Electromagnetic Q Qes 0.35
Total Q Qts 0.34
Compliance Equivalent Volume VAS 425.38 Ltr
Mechanical Compliance of Suspension (Cms) 203.45uM/N
BL Product BL 21T-M
Diaphragm Mass Lnc.Airload Mms 145 grams
MOUNTING INFORMATION
Overall Diameter 460mm
Baffle Hole Diameter 422mm
Mounting Holes Diameter 7mm
Mounting Holes P.C.D 445mm
Depth 202mm
Net Weight 7.8kg
Shipping Weight 9.8kg

Packing Size: 485x485x485mm (2PCS)

20”/490pcs  40”/1020pcs  40”H/1190pcs