BETA-12LTA Series Standard American
Recommended for professional audio as a woofer in small sealed monitor, or as a PA woofer or monitor in a
vented enclosure.
SPECIFICATION - Nominal Basket Diameter 12", 304.8 mm
- Nominal Impedance 16 ohms
- Power Rating Watts 225 W / Music Program 450 W
- Resonance 53.8 Hz
- Usable Frequency Range 48 Hz - 8 kHz
- Sensitivity 97.7
- Magnet Weight 38 oz.
- Gap Height 0.313", 7.94 mm
- Voice Coil Diameter 2", 50.8 mm
THIELE & Small Parameters - Resonant Frequency (fs) 53.8 Hz
- DC Resistance (Re) 15.44
- Coil Inductance (Le) 1.44 mH
- Mechanical Q (Qms) 7.22
- Electromagnetic Q (Qes) 0.70
- Total Q (Qts) 0.63
- Compliance Equivalent Volume (Vas) 101.7 liters / 3.6 cu. ft.
- Peak Diaphragm Displacement Volume (Vd) 42.4 cc
- Mechanical Compliance of Suspension (Cms) 0.247 mm/N
- BL Product (BL) 16.32 T-M
- Diaphragm Mass inc. Airload (Mms) 35.5 grams
- Efficiency Bandwidth (EBP) Product 77.4
- Maximum Linear Excursion (Xmax) 0.79 mm
- Surface Area of Cone (Sd) 538.9 cm²
- Maximum Mechanical Limit (Xlim) 8.0 mm
MOUNTING Information
Sealed 14-51 liters/0.5-1.8 cu.ft.
Vented 56.6-116 liters/2-4.1 cu.ft. - Overall Diameter 12.03", 305.5 mm
- Baffle Hole Diameter 10.95", 278.1 mm
- Front Sealing Gasket fitted as standard
- Rear Sealing Gasket fitted as standard
- Mounting Holes Diameter 0.25", 6.4 mm
- Mounting Holes B.C.D. 11.59", 294.3 mm
- Depth 4.47", 114 mm
MATERIALS of Construction - Copper voice coil
- Polyimide former
- Ferrite magnet
- Vented core
- Pressed steel basket
- Paper Cone
- Cloth cone edge
- Solid composition paper dust cap
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