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)