ESX QE822 User Manual
Audio Design, Tel. 07253-9465-14, Fax 946510, eMail: boxes@audiodesign.de, Internet: www.audiodesign.de
Dimensions & Weight
External Diameter:
Mounting Diameter:
Mounting Depth:
Shipping Weight:
220 mm
183 mm
138 mm
9,5 kg
QE822
Dual Voice Coil
Subwoofer 20 cm
Power Handling
400 Watts RMS / 800 Watts Max.
Mechanical Components
• Diecast Aluminium Basket
• Non-pressed Paper Cone
• Foam Surround
• Injected PP Dustcap
• Dual Nomex Spider
• Dual Magnet 2 x 63 oz (3.572 g)
• Magnet Size: Ø170 x 40 mm
• Aluminium Voice Coil Former
Recommended Enclosure
Ported Box
Vented Volume:
Port Diameter:
Port Area:
Port Length:
Tuning Freq. (Fb):
-3 dB Rolloff (F3):
18 L
8 mm
52 cm²
46 cm
42 Hz
35 Hz
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
64 mm
36 mm
+/- 10 mm
+/- 18 mm
cm²
133,1 g
2 x 1,9 Ohms
42,7 Hz
4,48
0,34
0,32
6,4 L
2,26 mH
20 N/A
83,5 dB
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