Perfect Car HiFi Subwoofers for Free-Air ApplicationsCoated paper cone with reinforced rings and long excursion surround of special design. The magnetic systems were improved yet again and now provide an even higher drive power, the approved far protruding lower pole plate ensures an exceptionally high excursion accordingly.Car HiFi bass-midrange speaker, 150WMAX, 4 ohm 16cm (6½") bass speaker with coated cone. Also suitable for replacing speakers of free-air applications in compact vehicles. New improved construction with protruding lower pole plate for even longer excursion.
With the new drive parameters which show a clearly improved Q factor (Qts), these speakers can now be recommended for closed cabinets and even bass-reflex cabinets with large dimensions, too!
| Impedance (Z) | 4 ohm |
| Frequency range | 58-5,500Hz |
| Resonant frequency (fs) | 49Hz |
| Crossover frequency (12dB/oct.) (fmax) | 3,000Hz |
| Peak rating | 150W |
| Power rating | 50WRMS |
| SPL (1W/1m) | 91dB |
| Cms suspension compliance | 0.84mm/N |
| Mms moving mass | 12g |
| Qms mech. Q factor | 2.89 |
| Qes electrical Q factor | 0.45 |
| Qts total Q factor | 0.39 |
| Compl. equiv. vol. (Vas) | 22 l |
| DC resistance (Re) | 3.7 ohm |
| Voice coil ind. (1kHz) (Le) | 0.2mH |
| Voice coil diameter | 25mm |
| Voice coil former | aluminium |
| Air gap height | 4mm |
| Force factor WxL | 5.6Tm |
| Eff. cone area (Sd) | 137cm2 |
| Magnet diameter | 100mm |
| Magnet weight | 20oz. |
| Mounting cutout | Ø 148mm |
| Mounting depth | 80mm |
| Dimensions | Ø 170mm |
| Weight | 1.15kg |