Vitavox main broadcast and Intercom loudspeakers are both current stock items for Royal Navies of UK, Australia and New Zealand.

Two versions are available with same form, fit and function

  • 2183 Main Broadcast Loudspeaker
  • 2184 Intercom Loudspeakers

Loudspeaker basic information

  • Main Broadcast version takes signal and power from 31.6V, 70V and 100V main broadcast lines
  • Intercom version takes 0.775V signal
  • Intercom version contains inbuilt amplifier requiring 24V DC power supply
  • Type shock tested to 70G force by UK MoD
  • Used above and below deck in high noise areas
  • Survives close proximity explosions and destructive blows
  • Front section (Flare) contains pressure unit
  • Back section (Case) fitted with line matching transformer or amplifier
  • Electrical components isolated from metal case of loudspeaker
  • Mounted by three (9.8mm hole) lugs on 238mm PCD
  • All units fitted with preset volume control, accessible by removal of pressure relief plug
  • Designed and manufactured in form of 260mm dia. compact re-entrant horn, from aluminium alloy die-cast sections bolted together and sealed with ‘O’ ring gaskets.
  • Water-proof, Blast-proof, shock-proof

Main broadcast and loudspeaker information

  • Application: Main Broadcast (2183) Intercom (2184)
  • Part Number: VQ85496 VQ85490
  • NSN: 5965-99-537-2183 5965-99-537-2184
  • Input Signal & Maximum Rated Power:
    31.6V up to 10W
    70V up to 30W
    100V up to 20W
    0.775V up to 30W
  • Amplifier Voltage: N/A 24V DC
  • Input Impedance: 100/ 400 10K nominal
  • Frequency Response: 400Hz – 8kHz 400Hz – 10kHz
  • Weight: 8kg
  • Finish: Stove enamel grey to CDL37-29-30 (other finishes available)
  • Shockproof: 70G force
  • Waterproof: IP67
  • Dimensions (mm): 268 dia. x 195 depth
  • Sound Output: 112dB/watt at 1m (30W = 127dB @1m)