With the aim of providing high acoustical output even when used with lower power, the APS 8 R was designed for use in an 8.5-litres reflex enclosure, with tuning between 30 and 40Hz. The APS 8 R has been specifically developed to be combined with either the AP8.9 bit or AP4.9 bit / AP4 D. Prima subwoofer components have been developed with a primary goal: to deliver high output in tight spaces. Output is a matter of excursion; the more air the cone moves, the more output. However reduced mounting depth traditionally has meant low excursion. Prima subwoofers employ a special cone-dustcap-basket geometry which guarantees large excursion of the mobile group, while keeping the mounting depth to a minimum.
TECHNICAL SPECS
Size |
200 mm |
Power Handling – Peak |
500 W |
Power Handling – Continuous |
250 W |
Impedance |
4 Ohm |
Magnet Material |
HIGH DENSITY FLUX FERRITE |
Voice Coil Ø |
40 mm |
Woofer Qis |
0,43 |
Cone Material |
WATER REPELLENT PRESSED PAPER |
Xmas |
8.8 mm |
Mech |
16.5 mm |
ELECTRIC-ACOUSTIC SPECS
D |
173 mm |
Driver Displacement Volume |
0.67 |
Re |
3.7 Ohm |
Fs |
32 Hz |
Vas |
26.5 l |
Mms |
80 g |
Cms |
0.33 mm/N |
BL |
11.5 T•m |
Qms |
5.1 |
Qts |
0.41 |
Le Standard |
1.45 mH |
Spl |
84 dB |
DIMENSIONS
Dimension A |
222 mm |
Dimension B |
187 mm |
Dimension C |
94.6 mm |
Dimension D |
79 mm |
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