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18" | 183FIND
Ferrite woofer
Key features:
  • Optimized ferrite magnetic structure

  • Lightweight, yet strong paper cone

  • Hi spl

Design notes:
    • 183FIND is a cost-effective solution for subwoofers. Its lightweight yet strong cone allows the magnetic circuit to be size optimized while delivering a seizable amount of sound pressure. With its high efficiency (97 dB 1watt / 1 meter) and high power handling capabilities, this woofer will excel in all applications with tight budgets. The cone
    • shape and material was developed to provide an optimum low-frequency response, making the woofer good choice for subwoofer systems. Power HandlingAt the core of the 183FIND is its voice coil technology featuring a composite Polyimide former material capable of withstanding peak temperatures above 280°C. The
    • winding with high-temperature specification copper wire ensures the long life of the voice coil, without the costly service cycles. The cone is also extensively treated to withstand harsh environments and high humidity. Metal parts in the speaker assembly are coated for extreme weatherization protection.
Specifications:
    • General specs
      Nominal Diameter:18 in.
      Rated Impedance:8 Ohm
      Power handling
      AES Power:600 Watts
      Program Power:1,200 Watts
      Voice Coil
      Diameter:3 in.
      Winding wire:Copper
      Former:kapton
      Winding height:19.8 mm
    • T/S Parameters
      Resonant frequency:32 Hz
      Re:5.9 ohm
      Qes:0.43
      Qms:13.2
      Qts:0.42
      Vas:329.5 liters
      Sd:1,225.4 cm2
      Mms:165 grams
      Bl:21.14
      Le:0.73 mH
      Sensitivity:97.07 dB
    • Design details
      Surround Material:Fabric
      Cone material:Paper
      Spider:ET-0527
      Plate thickness:8 mm
      Peak to peak linear cone Displacementn/a mm
      Overall diameter:461 mm
      Bolt circle diameter:442 mm
      Baffle cutout dia.:422 mm
      Number of mounting holes:8
      Depth (flange to rear):184 mm
      Net weight:8.8 kg
    • Ordering codes:
      8 ohm version:183FINDX8-297
      Recone kits:
      Download:
      Spec download
      2D drawing
      3D model
Frequency response & lmpedance
2D drawing
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REDCATT designs and manufactures world class loudspeakers. Additionally to the loudspeakers sold under REDCATT brand name, we also design and manufacture OEM / ODM loudspeakers.
Copyright © 2012-2026 REDCATT Technology CO., LTD. All Rights Reserved
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CX6F-140F
Ferrite woofer
18" | 183FIND
Key features:
  • Optimized ferrite magnetic structure

  • Lightweight, yet strong paper cone

  • Hi spl

Design notes:

183FIND is a cost-effective solution for subwoofers. Its lightweight yet strong cone allows the magnetic circuit to be size optimized while delivering a seizable amount of sound pressure. With its high efficiency (97 dB 1watt / 1 meter) and high power handling capabilities, this woofer will excel in all applications with tight budgets. The cone shape and material was developed to provide an optimum low-frequency response, making the woofer good choice for subwoofer systems. Power HandlingAt the core of the 183FIND is its voice coil technology featuring a composite Polyimide former material capable of withstanding peak temperatures above 280°C. The winding with high-temperature specification copper wire ensures the long life of the voice coil, without the costly service cycles. The cone is also extensively treated to withstand harsh environments and high humidity. Metal parts in the speaker assembly are coated for extreme weatherization protection.

Specifications:
General specs
Nominal Diameter:18 in.
Rated Impedance:8 Ohm
Power handling
AES Power:600 Watts
Program Power:1,200 Watts
Voice Coil
Diameter:3 in.
Winding wire:Copper
Former:kapton
Winding height:19.8 mm
T/S Parameters
Resonant frequency:32 Hz
Re:5.9 ohm
Qes:0.43
Qms:13.2
Qts:0.42
Vas:329.5 liters
Sd:1,225.4 cm2
Mms:165 grams
Bl:21.14
Le:0.73 mH
Sensitivity:97.07 dB
Design details
Surround Material:Fabric
Cone material:Paper
Spider:ET-0527
Plate thickness:8 mm
Peak to peak linear cone Displacementn/a mm
Overall diameter:461 mm
Bolt circle diameter:442 mm
Baffle cutout dia.:422 mm
Number of mounting holes:8
Depth (flange to rear):184 mm
Net weight:8.8 kg
Ordering codes:
8 ohm version:183FINDX8-297
Recone kits:


Download:
Spec download
2D drawing
3D model
Frequency response & lmpedance
2D drawing

Phone: (+86) 769 8318 1898    Email: info@redcatt.net

Copyright © 2012-2026 REDCATT Technology CO., LTD. All Rights Reserved