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Beyma CM18G 18" HyperPhase 8ohm 300W RMS Midbass Speaker 30-3000 Hz NOS CM-18/G

  • 9999


CONDITION
New old stock speakers. Boxes may have been opened for product inspection and will show wear. Speakers are never mounted and works 100%.

DESCRIPTION
This 18” high compliance, bass loudspeaker has been designed for professional high performance sound reinforcement systems. It incorporates a 3” voice coil diameter and a large, vented magnetic structure, in order to maximize heat dissipation, increasing power capacity while reducing power compression.

SPECIFICATIONS
  • Nominal diameter 460 mm - 18 in
  • Power capacity 300 w RMS
  • Sensitivity 95.8dB
  • 2.83 v @ 1 m @ 2 
  • Frequency range 30 - 3000 Hz
  • Recommended Enclosure volume 60/150 l-2.23/6 ft.3
  • Voice coil diameter 77mm-3 in
  • Magnetic assembly weight 6.5kg-14.33Ib
  • BL factor 16.3 N/A
  • Moving mass 0.121 kg

MOUNTING DETAILS
  • Overall diameter 458 mm - 18 in
  • Bolt circle diameter 444 mm - 17.48 in
  • Baffle cutout diameter:
  • Front mount 415 mm - 16.34 in
  • Rear mount 420 mm - 16.53 in
  • Depth 195 mm - 7.68 in
  • Volume displaced by driver
  • 11 l-0.41 ft.3
  • Net weight 8.4 kg - 18.52 Ib
  • Shipping weight 9.5 kg - 20.94 Ib

THIELE SMALL PARAMETERS
  • Fs 33 Hz
  • Re 6.4 ohms
  • Qms 15.5
  • Qes 0.61
  • Qts 0.59
  • Vas 313 l
  • ho 1.9%
  • Sd 0.110 m2
  • Xmax 6 mm
  • Vd 550 cm3
  • Le 1.2 mH 

MATERIALS
  • Basket Steel
  • Cone Paper
  • Surround Plasticised cloth
  • Voice coil Copper wire

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