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Oberton 18B500

Oberton 18B500
Oberton 18B500
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444.00 лв.
  • Stock: Pre-Order
  • Model: 317
Oberton
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Application : Power bass
SPECIFICATIONS THIELE-SMALL PARAMETERS
Nominal Diameter
Impedance
Minimum Impedance
Power Capacity AES ¹
Power Capacity ²
Program Power ³
Sensitivity
Frequency Range
Voice Coil Diameter
Voice Coil Material
Voice Coil Former
Voice Coil Winding Depth
Magnet Gap Depth
Cone Material
Basket
Magnet
Flux Density		18"/461 inch/mm
8 Ohm
6.38 Ohm
600 W
500 W
1200 W
(50 - 200 Hz) 99 dB/W/m
35 - 1000 Hz
77 mm
Copper
Kapton™
23 mm
11 mm
Paper
Die cast aluminium
Ferrite
1.27 T
1. AES standard. Power is calculated on rated minimum impedance.
2. Measurement is in 180 L box enclosure tuned 43 Hz using a 40-400 Hz band limited pink noise test signal applied continuously for 2 hours.
3. Program power is defined as 3db greater than AES Power Capacity.
Resonance Frequency
Mechanical Efficiency Factor (Qms)
Electrical Efficiency Factor (Qes)
Total Q (Qts)
Equivalent Air Volume (Vas )
Diaphragm mass ind. airload (Mms)
Voice Coil Resistance Re
Effective Diagram Area (Sd)
Peak Linear Displacement of Diaphragm (Xmax)
Mechanical Compliance of Suspension (Cms)
BL Product (BL)
V.C. Inductance at 1 kHz (Le)		34.90 Hz
9.24
0.284
0.275
243.91 Litress
146.79 grams
5.10 Ohms
1110 cm2
± 8.75 mm
0.142 mm/N
24.06 T.m
1.37 mH
* Linear Mathematical Xmax is calculated as: (Hvc - Hg)/2 + Hg/4 where Hvc is the voice coil depth and Hg is the gap depth.
MOUNTING INFORMATION
Overall Diameter
Baffle Hole Diameter
Number of Mounting Holes
Bolt Circle Diameter
Overall Depth
Net Weight		 461 mm
416 mm
8 eliptic 7 x 8,5 mm
438/441 mm
204 mm
12.30 kg

The 18B500 loudspeaker are intended for high level, high power low frequency reproduction in ported enclosures. It feature vented die cast frame, 220 mm magnet structure, 3 inch voice coil and double spider assembly. This results in an very high sensitivity bass transducer for high power subwoofer application.

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