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.
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.
Application examples, TV room audio to bathroom in hotel rooms, counter calls, remote speakers etc.
Features
-
20W 4 Ohm output
-
Class D amplifier module
-
Dual inputs sources
-
24V DC overriding
-
Volume adjustment remotely
-
Source selectable via VC7001
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Compact size
Technical Specifications
Rating
Operating voltage
Current
Amplifier type
Inputs
Input connector
Input sensitivity
Max input
Input impedance
Output
Output connector
Controls
Volume controller
Freq response
S/N ratio
THD + Noise
Protections
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
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