Main Broadcast and Intercom Loudspeakers
Waterproof, Blast Proof, Shockproof
Vitavox Main Broadcast and Intercom Loudspeakers are both current stock items for Royal Navies of UK, Australia and New Zealand.
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Main Features
- Two versions are available with same form, fit and function
- 2183 Main Broadcast Loudspeaker
- 2184 Intercom Loudspeaker
- 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 aluminum alloy die-cast sections bolted together and sealed with ‘O’ ring gaskets.
Compact Talk-Back Submarine Loudspeaker & Microphone
| 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 |
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 @ 1m (30W = 127dB @1m) |
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