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Oberton 18B450

Oberton 18B450
--1 %
Oberton 18B450
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402.00 лв.
398.00 лв.
  • Stock: Pre-Order
  • Model: 318
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
6.40 Ohm
500 W
450 W
1000 W
(50 - 200 Hz) 98 dB/W/m
35 – 1000 Hz
77 mm
Copper
Kapton™
20 mm
11 mm
Paper
Die cast aluminium
Ferrite
1.2 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)		34.38 Hz
8.03
0.357
0.342
241.55 Litres
152.76 grams
5.29 Ohms
1110 cm2
± 7.25 mm
0.140 mm/N
22.12 T.m
1.49 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
192.5 mm
8.55 kg

The 18B450 has been specially designed for low frequency reproduction in bass reflex enclosures. It feature vented die cast aluminium frame, 180 mm magnet structure and 3” voice coil. It is suitable for economic subwoofer application.

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