LA-300 3 CHANNEL LOOP AMPLIFIER - 300m²
Inductive loop amplifiers are a must for modern PA installations to give equal access to annoucements to people with hearing disability by transmitting audio signals to hearing aids fitted with a "T" switch. Designed to compliment the Adastra 900 Series of mixer amplifiers and are ideal for use in churches, theatres, conference rooms, museums, waiting rooms etc
- Each channel accepts input via XLR, 6.3mm Jack or RCA phono
- Inputs switchable between mic and line with optional phantom power +36Vdc
- Built-in siren for evacuation alert
- Tamper proof channel volume, bass & treble and loop current level controls
- Peak current LED indication
- AGC (automatic gain control)
- 19" Rack Mountable
-
| Power supply |
230Vac, 50Hz, (100W) |
| Frequency response |
50Hz-5kHz±3dB |
| THD |
<1% |
| Input sensitivity:Line |
-6dBu/6k ohms |
| Input sensitivity:Mic |
-56dBu/2k ohms |
| Signal to noise ratio |
75dB (line mode), 60dB (mic. mode) |
| Dimensions |
425 x 266 x 44mm (1U) |
| Weight |
4.7kg |
- It is important to use a loop cable that is capable of carrying the current that this amplifier produces. The table below is a guide to the maximum loop length for each cable thickness
-
| Cable Ø |
1.0mm² |
1.5mm² |
2.5mm² |
4.0mm² |
| Total loop length |
< 60m |
< 110m |
< 200m |
> 200m | !
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