VA-6500
CM1 Main Control Board PA System
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PA Systems — Public Address · 6500 Series (Railway)
Description：
It is the broadcast 100V signal output module of the PA system, and the output terminal is directly connected to the broadcast speaker. It needs to be plugged into the amplifier controller for normal use.
Feature：
Features
- High efficiency class D amplifier.
- Built-in digital decoder, directly decode network audio.
- Support local emergency audio input broadcasting when the network is disconnected.
- Support loop state detection of the output zone.
- Support up to 5 amplifier boards to form a backup mode of 4 masters and 1 backup.
- Support real-time indication of the working status of the amplifier board.
- Support auto switching when the amplifier board fails.
- Support uninterrupted power maintenance, and the start-stop function on the module is required.
- Support three-wire/four-wire overriding.
- Support plugging and unplugging of any board in the broadcasting cabinet.
Technical specifications
| Model | VA-6501P (PA32) |
|---|---|
| Input voltage | ±85V DC |
| Output voltage | 100V |
| Output power | 240W |
| Distortion | ≤1% (rated output power), 1KHz |
| Frequency response | 40Hz-16KHz (+1dB, -3dB) |
| SNR | ≥80dB |
| Cooling method | Forced air cooling |
| Protection method | Overvoltage protection, overcurrent protection, overheat protection, overload protection, short circuit protection |
| Amplifier input | Digital signal and 100V emergency audio signal |
| Emergency audio interface | Balanced input |
| Overridden type | Three-wire/Four-wire |
| Dimension | 312.6×129×60mm |
| Weight | 1.1kg |
