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8MB-250

Serie: 
Studio

MOUNTING INFORMATIONS

Overall Diameter: 
8 1/4"; 26.35 cm
Baffle Hole Diameter: 
7"; 23 cm
Depth: 
4 5/32"; 12.06 cm
Fixing Holes: 
5 1/2"; 9.4 cm
Flange Thickness: 
5/32"; 1.19 cm
Fixing Hole Diameter: 
7 3/4"; 24.68 cm
Sealing Gasket: 
Standard
Weight: 
9.5 lbs; 4.35 kg
Recommended Enclosure Volume: 
0.57; 1.14
Shipping Weight: 
11.5 lbs; 5.27 kg
Packing Carton Dimension: 
H: 8 1/4", W: 8 1/4", D: 4 1/4"
H: 21 cm, W: 21 cm, D: 10.8 cm

ELECTRICAL MECHANICAL PARAMETERS

Peak Power: 
250 W
Power RMS: 
125 W
SPLo: 
94 dB
Surround: 
Double M-Roll
Dust Cap: 
Paper
Voice Coil Material: 
Co
Voice Coil Diameter: 
1 1/2"; 38 mm
Revc: 
5.90 Ω
Fs: 
57.00 Hz
Zo: 
0.00 Ω
Sd: 
0.02 m²
BL: 
13.26
no: 
1.90 %
Qms: 
2.90
Qes: 
0.36
Qts: 
0.31
Vas: 
35.15 Litres
X-Max: 
+/- 4.00 mm
Cms: 
511.49
Mms: 
14.49 g
Mmd: 
12.61 g

MOTOR IMPEDANCE PARAMETERS

Levc 1kHz: 
0.00 mH
Levc 20kHz: 
0.00 mH
Krm: 
2.38 Ω
Kxm: 
17.44 mH
Rem 1kHz: 
0.00 Ω
Rem 20kHz: 
0.00 Ω
Erm: 
0.85
Exm: 
0.71