BETA-10A Series American Standard 

Recommended for professional audio, bass guitar, mid-bass or floor monitor applications in sealed enclosures. 
Also works well as a mid-bass or woofer in vented enclosures.

SPECIFICATION

• Nominal Basket Diameter 10", 254 mm
• Nominal Impedance 16 ohms
• Power Rating Watts 250 W / Music Program 500 W
• Resonance 53 Hz
• Usable Frequency Range 51 Hz - 3.8 kHz
• Sensitivity 97
• Magnet Weight 34 oz.
• Gap Height 0.312", 7.92 mm
• Voice Coil Diameter 2", 50.8 mm

THIELE & Small Parameters

• Resonant Frequency (fs) 53 Hz
• DC Resistance (Re) 5.75
• Coil Inductance (Le) 0.67 mH
• 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) 102 cc
• Mechanical Compliance of Suspension (Cms) 0.36 mm/N
• BL Product (BL) 9.6 T-M
• Diaphragm Mass inc. Airload (Mms) 25 grams
• Efficiency Bandwidth Product (EBP) 103
• Maximum Linear Excursion (Xmax) 3.0 mm
• Surface Area of Cone (Sd) 344.9 cm²
• Maximum Mechanical Limit (Xlim) 8.6 mm

MOUNTING Information

• Recommended Enclosure Volume 
  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", 256.8 mm
• Baffle Hole Diameter 9.13", 231.8 mm
• Front Sealing Gasket fitted as standard
• Rear Sealing Gasket fitted as standard
• Mounting Holes Diameter 0.23", 5.7 mm
• Mounting Holes B.C.D. 9.6", 243.8 mm
• Depth 3.98", 101 mm

MATERIALS of Construction

• Aluminum voice coil
• Polyimide former
• Ferrite magnet
• Vented core
• Pressed steel basket
• Paper Cone
• Cloth cone edge
• Solid composition paper dust cap