amperes electronics
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PA322
Mini Amplifier with Dual Inputs
Highlights
Dual unbalanced line audio input sources, selectable via external control panel
Built in 100V converter for overriding by main PA system
Class D amplifier for 4 ohm speakers, suitable for localised area such as hotel bathroom
PA322 is a small amplifier with 8 Ohm speaker connection, used to amplifier unbalanced line signal, such as from TV or other player to one or two speakers with a total load of 20W.
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It has dual inputs which is selectable via remote volume control & source selector ( VC7001 ).
Its built in emergency overriding relay allows main PA to bypass local audio to allow 100V broadcast to the local speaker.
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Application examples, TV room audio to bathroom in hotel rooms, counter calls, remote speakers etc.
Features
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20W 4 Ohm output
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Class D amplifier module
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Dual inputs sources
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24V DC overriding
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Volume adjustment remotely
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Source selectable via VC7001
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Compact size
Technical Specifications
Rating
Operating voltage
Current
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Amplifier type
Inputs
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Input connector
Input sensitivity
Max input
Input impedance
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Output
Output connector
Controls
Volume controller
Freq response
S/N ratio
THD + Noise
Protections
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Dimensions (WxHxD)
Weight
20W 4 Ohm
220-240V ac : 50/60 Hz
Idle : 1.55W
Full load : 5.5W
Class D
2 x mono : unbal.line
100V line audio
24V DC overriding
Detachable phoenix
800 mV
1V rms ( +4dBU )
10 K Ohm
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4 Ohm
Detachable phoenix
External Vol & source
Amperes VC7001
20-20 kHz
> 70dB@ 1kHz +/-3dB
0.24%
Thermal, short circuit
Overload, ac fuse
140 x 55 x 95 mm
820 g
Documents
Catalogue
ACAD Image
Application Example
From central PA system
(essential broadcast)
Room TV ( Source 1 )
Room Player ( Source 2 )
Amperes VC7001
source selector and volume controller
PA322
2x 100V audio
2x 24V DC overriding
unbalanced audio
unbalanced audio
Cat5e
Speaker cable
4 / 8 Ohm speaker