Datasheet

Audio Design, Tel. [phone], Fax 946510, eMail: [e-mail], Internet: www.audiodesign.de
Dimensions & Weight
External Diameter:
Mounting Diameter:
Mounting Depth:
Shipping Weight:
214 mm
182 mm
78 mm
0,0 kg
Technical Specifications
Impedance
Voice Coil Diameter
Voice Coil Winding Height
Max. Linear Excursion
Max. Mechanical Excursion
Cone Area
Moving Mass
DC Resistance
Resonance Frequency
Mechanical Q-Factor
Electrical Q-Factor
Total Q-Factor
Equivalent Air Volume
VC Inductance
Flux Density
Efficiency 1W/1m
Zn
Ø
Xmax
Xmax (Peak)
Sd
Mms
Re
Fs
Qms
Qes
Qts
VAS
Le
B/L
SPL
2 x 2 Ohms
50 mm
28 mm
+/- 10 mm
+/- 15 mm
214 cm²
110 g
2 x 1,8 Ohms
37,4 Hz
7,04
0,6
0,56
10,6 L
2,18 mH
6,6 N/A
83 dB
ZST8D2
Dual Voice Coil
Subwoofer 20 cm
Power Handling
250 Watts RMS / 500 Watts Max.
Mechanical Components
• Steel Basket
• Glass-Fibre Cone
• Rubber Surround
• Glass-Fibre Dustcap
• Single Nomex Spider
• Y30 Magnet 40 oz (1.134 g)
• Magnet Size: Ø134 x 20 mm
• TIL (Glass-Fibre) Voice Coil Former
Recommended Enclosure
Sealed Box
Sealed Volume:
-3 dB Rolloff (F3):
9 - 15 L
46 Hz
Recommended Enclosure
Ported Box
Vented Volume:
Port Diameter:
Port Area:
Port Length:
Tuning Freq. (Fb):
-3 dB Rolloff (F3):
20 L
70 mm
38 cm²
31 cm
39 Hz
32 Hz
Recommended Box
Deep Tuning