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M/S Amplifier Switch RH2821M
Functional Description：
The M/S amplifier switch monitors up to five main power amplifiers which will
be switched automatically to the spare amplifier should any one fail,with five
independent channels,it can also be operated manually for power amplifier upgrades
and maintenance,each channelhasavolumecontrol,manual switch,and status indicator.
※ Connect to 5 main amplifiers and 1 spare amplifier.
※ Automatic detection of fault units,and the first fault detected
unitwill be automatically switched to the spare unit,other fault
units if later detected will be brought to your attention by the indicators.
※ Prompt tone will ring should any main unit fails.
※ Indicators have three different indications:Normal,Fault,or Spare.
※ Address setting using decimal system.
Technical parameters：
| Model | RH2821M |
| Main Channels | 5 channels 'CH1~ CH5'Phone signal |
| Spare Channel | One |
| Channel Capacity | 150V/20A,audio signal |
| Input Signal | 0.775V(0dB),10k ohms,unbalanced |
| Output Signal | 0.775V(0dB),10k ohms,unbalanced |
| Cycle Time | 20mS,cycle times 30 |
| Input Checking | 50mV,cycle time 20mS |
| Output Checking | 100mV,cycle time 20mS |
| Speaker Terminals | Speaker output (CH1-CH5) |
| Power Cable | (3×0.5 mm2)×1.5M |
| Power Supply | AC 220V ± 10% 50-60Hz |
| Power Consumption | 20~ 25W |
| Dimension | 89(H)×483(W)×350(D)mm |
| Packing Size | 185(H)×520(W)×435(D)mm |
| N.W | 6.9kg |
| G.W | 8.1kg |