Oberton 12B45V 12" 450W Lautsprecher 8 Ohm

SPECIFICATIONS  
 
Nominal Diameter 12"/310 inch/mm
Impedance 8 Ohm
Minimum Impedance 5.76 Ohm
Power Capacity AES ¹ 450 W
Program Power ² 900 W
Sensitivity (50-200 Hz) 94 dB/W/m
Frequency Range 40 - 2000 Hz
Voice Coil Diameter 77 mm
Voice Coil Material Aluminium
Voice Coil Former Glassfiber
V. C. Winding Depth 25 mm
Magnet Gap Depth 8 mm
Cone Material Paper with Kevlar fibers
Basket Die cast aluminium
Magnet Ferrite
Flux Density 1.24 T
 
THIELE-SMALL PARAMETERS 
 
Fs 47.88 Hz
Qms 7.37
Qes 0.371
Qts 0.354
Vas 58.51 Litres
Mms 69.86 grams
Re 4.90 Ohms
Sd 514.7 cm2
Xmax* ± 10.5 mm
Cms 0.1582 mm/N
BL  16.65 T.m
Le at 1kHz  0.733 mH
 
MOUNTING INFORMATION 
 
Overall Diameter 315 mm
Baffle Hole Diameter 280 mm
Mounting Holes 8 eliptic 7x8 mm
Bolt Circle Diameter 296 / 298 mm
Overall Depth 158 mm
Net Weight 7.65 kg

 
1. AES standard. Power is calculated on rated minimum impedance. Measurement is in 70 L box enclosure tuned 40 Hz using a 40-400 Hz band limited pink noise test signal applied continuously for 2 hours. 
2. Program power is defined as 3db greater than AES Power Capacity.