PA System M/S Amplifier Switch RH2821M

※ Connect to 5 main amplifiers and 1 spare amplifier.
※ Automatic detection of fault units,and the first fault detected unit will 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.

Description
Specification

The Main/Spare Amplifier Switch RH2821M monitors up to five main amplifiers in the pa system, RH2821M

which will be switched automatically to the spare amplifier should any one fails,with five independent channels, it can also be operated manually for power amplifier upgrades and maintenance, each channel has a volume control, manual switch,and status indicator.

Reference Connection:

RH-AUDIO Main/Spare Amplifier Switch RH2821M

RH-AUDIO Main/Spare Amplifier Switch RH2821M

Note:
• Only one main amplifier is used in above connection,the Main/Spare Amplifier Switch RH2821M can support connecting five main amplifiers in the same time.
• Make sure the terminals of "+" and "COM" are connected correctly to match each other between the devices.

Specifications

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
Net Weight	6.9kg
Gross Weight	8.1kg

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