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Artikel 62 / 191
Beta-12LT 12 Zoll 250W 8 Ohm Pressblech-Korb
Beta-12LT 12'' 250W 8 Ohm Pressblech-Korb
Beta-12LT 12 Zoll 250W 8 Ohm Pressblech-Korb
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Recommended for professional audio as a woofer in small sealed monitor, or as a PA woofer or monitor in a
vented enclosure.
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Nominal Basket Diameter 12”, 304.8mm
Nominal Impedance* 8 ohms
Power Rating** 225W
Resonance 45Hz
Usable Frequency Range*** 48Hz-8kHz
Sensitivity 97.7
Magnet Weight 38 oz.
Gap Height 0.312”, 7.92mm
Voice Coil Diameter 2”, 50.8mm
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Resonant Frequency (fs) 45Hz
DC Resistance (Re) 7.37
Coil Inductance (Le) 0.83mH
Mechanical Q (Qms) 6.44
Electromagnetic Q (Qes) 0.55
Total Q (Qts) 0.51
Compliance Equivalent Volume (Vas) 136.3 liters / 4.8 cu. ft.
Peak Diaphragm Displacement Volume (Vd) 170cc
Mechanical Compliance of Suspension (Cms) 0.34mm/N
BL Product (BL) 11.7 T-M
Diaphragm Mass inc. Airload (Mms) 36 grams
Efficiency Bandwidth (EBP) Product 82
Maximum Linear Excursion (Xmax) 3.2mm
Surface Area of Cone (Sd) 532.4 cm2
Maximum Mechanical Limit (Xlim) 8.0mm
<>
Recommended Enclosure Volume
Sealed 14-51 liters/0.5-1.8 cu.ft.
Vented 56.6-116 liters/2-4.1 cu.ft.
Overall Diameter 12.03”, 305.5mm
Baffle Hole Diameter 10.95”, 278.1mm
Front Sealing Gasket fitted as standard
Rear Sealing Gasket fitted as standard
Mounting Holes Diameter 0.25”, 6.4mm
Mounting Holes B.C.D. 11.59”, 294.3mm
Depth 4.47”, 114mm
Net Weight 8.1 lbs., 3.7 kg
Shipping Weight 10.2 lbs., 4.6 kg
<>
Copper voice coil
Polyimide former
Ferrite magnet
Vented core
Pressed steel basket
Paper Cone
Cloth cone edge
Solid composition paper dust cap
<>
Recommended for professional audio as a woofer in small sealed monitor, or as a PA woofer or monitor in a
vented enclosure.
<
Nominal Basket Diameter 12”, 304.8mm
Nominal Impedance* 8 ohms
Power Rating** 225W
Resonance 45Hz
Usable Frequency Range*** 48Hz-8kHz
Sensitivity 97.7
Magnet Weight 38 oz.
Gap Height 0.312”, 7.92mm
Voice Coil Diameter 2”, 50.8mm
<
Resonant Frequency (fs) 45Hz
DC Resistance (Re) 7.37
Coil Inductance (Le) 0.83mH
Mechanical Q (Qms) 6.44
Electromagnetic Q (Qes) 0.55
Total Q (Qts) 0.51
Compliance Equivalent Volume (Vas) 136.3 liters / 4.8 cu. ft.
Peak Diaphragm Displacement Volume (Vd) 170cc
Mechanical Compliance of Suspension (Cms) 0.34mm/N
BL Product (BL) 11.7 T-M
Diaphragm Mass inc. Airload (Mms) 36 grams
Efficiency Bandwidth (EBP) Product 82
Maximum Linear Excursion (Xmax) 3.2mm
Surface Area of Cone (Sd) 532.4 cm2
Maximum Mechanical Limit (Xlim) 8.0mm
<
Recommended Enclosure Volume
Sealed 14-51 liters/0.5-1.8 cu.ft.
Vented 56.6-116 liters/2-4.1 cu.ft.
Overall Diameter 12.03”, 305.5mm
Baffle Hole Diameter 10.95”, 278.1mm
Front Sealing Gasket fitted as standard
Rear Sealing Gasket fitted as standard
Mounting Holes Diameter 0.25”, 6.4mm
Mounting Holes B.C.D. 11.59”, 294.3mm
Depth 4.47”, 114mm
Net Weight 8.1 lbs., 3.7 kg
Shipping Weight 10.2 lbs., 4.6 kg
<
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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