21'', ISV (Innen/außen gewickelte Spule), DSS (Doppelzentrierung), Demodulationsring zur Verringerung von Verzerrungen. 1800 W AES, 135mm VC, 96 dB/W/m, 8 Ohm, Xmax +/-14mm. Beschichtete Membran. Neodymmagnetsystem, dadurch nur 14kg Gewicht. BR 150-350l
Key Features
-
98 dB SPL 1W / 1m average sensitivity
-
135 mm (5.3 in) split winding four layers ISV copper coil
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3600 W program power handling
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Carbon fiber reinforced cellulose cone
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Double Silicon Spider (DSS) for improved excursion control
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Aluminum demodulating ring (SDR) for lower distortion
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Low noise forced ventilation design for low power compression
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Weather protected cone and plates for outdoor usage
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Suitable for vented and bandpass subwoofer systems
General Specifications
|
Nominal Diameter |
533 mm (21 in) |
|
Rated Impedance |
8 Ohm |
|
AES Power |
1800W |
|
Program Power |
3600W |
|
Peak Power |
10000W |
|
Sensitivity |
98 dB |
|
Frequency Range |
25 - 1500 Hz |
|
Power Compression @-10dB |
0,7 dB |
|
Power Compression @-3dB |
1,5 dB |
|
Power Compression @Full Power |
2,2 dB |
|
Max Recomm. Frequency |
150 Hz |
|
Recomm. Enclosure Volume |
120 ÷ 500 lt (4,24 ÷ 17,7 cuft) |
|
Minimum Impedance |
7,6 Ohm at 25°C |
|
Max Peak To Peak Excursion |
70 mm (2,75 in) |
|
Voice Coil Diameter |
135 mm (5,3 in) |
|
Voice Coil Technology |
split winding, 4 layers copper wire |
|
Suspension |
Triple roll, Polycotton |
|
Cone |
Straight ribbed carbon fiber loaded cellulose |
Thiele Small Parameters
|
Fs |
32 Hz |
|
Re |
5,9 Ohm |
|
Sd |
0,1662 sq.mt. (257,6 sq.in.) |
|
Qms |
4,5 |
|
Qes |
0,34 |
|
Qts |
0,31 |
|
Vas |
244 lt. (8,62 cuft) |
|
Mms |
390 gr. (0,86 lb) |
|
BL |
37 Tm |
|
Linear Mathematical Xmax |
±14 mm (±0,55 in) |
|
Le (1kHz) |
3,1 mH |
|
Ref. Efficiency 1W@1m (half space) |
95,5 dB |
Mounting information
|
Overall diameter |
545 mm (21,46 in) |
|
N. of mounting holes and bolt |
8 |
|
Mounting holes diameter |
8,5 mm (0,33 in) |
|
Bolt circle diameter |
520 mm (20,47 in) |
|
Front mount baffle cutout ø |
492 mm (19,37 in) |
|
Rear mount baffle cutout ø |
490 mm (19,29 in) |
|
Total depth |
250 mm (9,8 in) |
|
Flange and gasket thickness |
18 mm (0,7 in) |
|
Net weight |
14 kg (30,9 lb) |
|
Shipping weight |
15,5 kg (34,2 lb) |
|
CardBoard Packaging dimensions |
570x570x290 mm (22,4x22,4x11,4 in) |
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