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BETA-10A

SPECIFICATION
Nominal Basket Diameter 10", 254mm
Nominal Impedance* 8 ohms
Power Rating
Watts 250W
Music Program 500W
Resonance 53Hz
Usable Frequency Range 51Hz-3.8kHz
Sensitivity*** 97
Magnet Weight 34 oz.
Gap Height 0.312", 7.92mm
Voice Coil Diameter 2", 50.8mm

THIELE & SMALL PARAMETERS
Resonant Frequency (fs) 53Hz
DC Resistance (Re) 5.75
Coil Inductance (Le) 0.67mH
Mechanical Q (Qms) 8.14
Electromagnetic Q (Qes) 0.52
Total Q (Qts) 0.49
Compliance Equivalent Volume (Vas) 60.1 liters / 2.1 cu.ft.
Peak Diaphragm Displacement Volume (Vd) 102cc
Mechanical Compliance of Suspension (Cms) 0.36mm/N
BL Product (BL) 9.6 T-M
Diaphram Mass inc. Airload (Mms) 25 grams
Efficiency Bandwidth Product (EBP) 103
Maximum Linear Excursion (Xmax) 3.0mm
Surface Area of Cone (Sd) 344.9 cm2
Maximum Mechanical Limit (Xlim) 8.6mm

MOUNTING INFORMATION
Recommended Enclosure
Sealed 8.5-14.2 liters/0.3-0.5 cu.ft.
Vented 19.8-70.8 liters/0.7-2.5 cu.ft.
Overall Diameter 10.11", 256.8mm
Baffle Hole Diameter 9.13", 231.8mm
Front Sealing Gasket fitted as standard
Rear Sealing Gasket fitted as standard
Mounting Holes Diameter 0.23", 5.7mm
Mounting Holes B.C. D. 9.6", 243.8mm
Depth 3.98", 101mm
Net Weight 6.8 lbs., 3.1 kg
Shipping Weight 7.8 lbs., 3.6 kg

MATERIALS OF CONSTRUCTION
Coil Construction Aluminum voice coil
Coil Former Polyimide former
Magnet Composition Ferrite magnet
Core Details Vented core
Basket Materials Pressed steel basket
Cone Composition Paper Cone
Cone Edge Composition Cloth cone edge
Dustcap Composition Solid composition paper dust cap