21",ferrite magnets,die cast aluminium basket subwoofer
100dB sensitivity in 1w/1m,1200W power handing
152.4mm(6 inch),PHT voice coil wire inside and outside rounding and BAF voice coil bobbin,can endure high temperature
Great high quality sound,and powerful dynamism
Optimal for compact subwoofers
Nominal diameter | 21inch |
Nominal impedance | 8 Ω |
Power rating | 1200 W |
Sensitivity (1w/1m) | 100 dB |
Frequency range | 24-2K Hz |
Voice coil diameter | Φ152.4 mm |
Magnet dimension | Φ330*25mm |
Fs | 24 Hz |
Re (D.C.) | 5.5Ω |
Qms | 7.1 |
Qes | 0.132 |
Qts | 0.13 |
Vas | 583.3 Ltr |
Cms | 148.7 u M/N |
n. (%) | 6.00% |
Bl | 42.5 T |
Sd | 166.2 cm2 |
Basket | Cast Aluminium |
Cone and dust cap | glass loaded paper with weather resistant impregnation |
Surround | Cloth-sealed |
Voice coil wire | PHT |
Voice coil bobbin | BAF |
Magnet | Ferrite |
Overall diameter | Φ545 mm, |
Bolt circle diameter | Φ520mm-8mm-8holes |
Cut out diameter | Φ495 mm |
Depth | 203 mm |
Net weight | 32kg |
X max | ±11.5 mm |