|
PRA-AD608 Amplifier, 600W 8-channel
|
|
Operating
voltage (VDC)
|
44
- 60 VDC
|
|
Power
consumption (W)
|
250 W maximum
|
|
Number
of outputs
|
8
|
|
Maximum
output power (W)
|
600
W burst
|
|
Number
of analog inputs
|
1
|
|
Number
of Ethernet ports
|
2
|
|
Protocols
and interfaces
|
OMNEO;
AES 70
|
|
Sample
rate (kHz)
|
48
kHz
|
|
Signal
processing
|
Equalization;
Limiter; Delay; Level
|
|
Rated
output voltage (V)
|
70;100
V
|
|
Frequency
response (Hz)
|
20
- 20000 Hz
|
|
Minimum
signal-to-noise ratio (dBA)
|
107
dBA
|
|
Pilot
tone frequency (kHz)
|
25,50
kHz
|
|
Pilot
tone level (V)
|
3 V
|
|
Protection
|
Overheat;
Overload; RM S output power limiter; Ground fault; Watchdog; DC output; RSTP;
Spare channel; Lifeline
|
|
Degree
of protection (IEC 60529)
|
IP30
|
|
Operating
temperature (°C)
|
-5
- 50°C
|
|
Dimension
(H x W x D mm)
|
44
x 483 x 400 mm
|
|
Weight
(kg)
|
8.80 kg
|
|
Electrical
|
|
Loudspeaker load
|
|
Maximum
loudspeaker load
100
V mode, all channels
*
70 V mode, all channels*
|
600
W
600
W
|
|
Minimum
loudspeaker load impedance
100
V mode, all channels*
70
V mode, all channels*
|
16.7
ohm
8.3
ohm
|
|
Maximum
cable capacitance 100 V mode, all channels
*
70 V mode, all channels*
|
2
uF
2
uF
|
|
*All
channels combined.
|
|
Amplifier outputs
|
|
Rated
output voltage
100
V mode, 1 kHz, THD <1 %, no load
70 V
mode, 1 kHz, THD <1 %, no load
|
100
VRMS
70
VRMS
|
|
Burst
/ rated power**
All
channels combined
100
V mode, load 16.7 ohm
70
V mode, load 8.3 ohm
|
600
W / 150 W
600
W / 150 W
|
|
Channel
1
100
V mode, load 16.7 ohm // 20 nF
70
V mode, load 11.7 ohm // 20 nF
|
600
W / 150 W
420
W / 105 W
|
|
Other
channels
100
V mode, load 33.3 ohm // 20 nF
70
V mode, load 16.7 ohm // 20 nF
|
300
W / 75 W
300
W / 75 W
|
|
Full
to no load regulation 20 Hz to 20 kHz
|
<
0.2 dB
|
|
Frequency
response
Rated
power, +0.5 / -3 dB
|
20
Hz to 20 kHz
|
|
Amplifier outputs
|
|
Total
Harmonic Distortion + Noise (THD+N)
Rated
power, 20 Hz to 20 kHz
6 dB
below rated power, 20 Hz to 20 kHz
|
<
0.5 %
<
0.1 %
|
|
|
Intermodulation
Distortion (ID)
6 dB
below rated power, 19+20 kHz, 1:1
|
<
0.1 %
|
|
|
Signal
to Noise Ratio (SNR) 100 V mode, 20 Hz to 20 kHz
70
V mode, 20 Hz to 20 kHz
|
>
110 dBA typical
>
107 dBA typical
|
|
|
Crosstalk
between channels 100 Hz to 20 kHz
|
<
-84 dBA
|
|
|
DC
offset voltage
|
<
50 mV
|
|
|
Signal
processing per channel
Audio
equalization
Level
control
Level
control resolution
Audio
delay
Audio
delay resolution
RMS
power limiter
|
7-section
parametric
0
to -60 dB, mute
1
dB
0
to 60 s
1
ms
Rated
power
|
|
|
Lifeline
Sensitivity
(100 V out)
Mute
attenuation
Signal
to Noise Ratio (SNR)
|
0
dBV
>
80 dB
>
90 dBA
|
|
|
**Full
voltage swing into maximum loudspeaker load for speech and music program material
(crest factor > 9 dB)
|
|
|
Power transfer
|
|
Power
supply input
A/B
Input voltage
Input
voltage tolerance
|
48
VDC
44
to 60 VDC
|
|
Power
consumption (48 V)
Sleep
mode, no supervision
Snooze
mode, supervision active
Active
mode, idle
Active
mode, low power
Active
mode, rated power
Per
active port
|
6.0
W
8.9 W
54 W
74 W
246 W
0.4
W
|
|
Heat
loss (including power supply)
Active
mode, idle
Active
mode, low power
Active
mode, full power
|
23 7kJ/h (157 BTU/h)
325 kJ/h (215 BTU/h)
434 kJ/h (321 BTU/h)
|
|
Supervision
|
|
End‑of‑Line
detection mode
|
Pilot
tone
25.5
kHz, 3 VRMS
|
|
Power
supply input A/B
|
Undervoltage
|
|
Ground
short detection (loudspeaker lines)
|
<
50 kohm
|
|
Amplifier
channel redundancy switching
|
Internal
spare channel
|
|
Amplifier
channel load
|
Short
circuit
|
|
Supervision
|
|
Loudspeaker
line redundancy switching
|
A/B
group, Class‑A loop
|
|
Controller
continuity
|
Watchdog
|
|
Temperature
|
Overheat
|
|
Fan
|
Rotation
speed
|
|
Network
interface
|
Link
presence
|
|
Network interface
|
|
Ethernet
|
100BASE‑TX,
1000BASE‑T
|
|
Protocol
|
TCP/IP
|
|
Redundancy
|
RSTP
|
|
Audio/control
protocol
|
OMNEO
|
|
Network
audio latency
|
10
ms
|
|
Audio
data encryption
|
AES128
|
|
Control
data security
|
TLS
|
|
Ports
|
2
|
|
Reliability
|
|
MTBF (calculated according to Telcordia SR‑332 Issue 3) |
300.000
h
|
|
Environmental
|
|
Climatic conditions
|
|
Temperature
Operating
|
-5
to +50 °C
(23
to 122 °F)
|
|
Storage
and transport
|
-30
to +70 °C
(-22
to 158 °F)
|
|
Humidity
(non-condensing)
|
5
to 95 %
|
|
Air
pressure (operating)
|
560
to 1070 hPa
|
|
Altitude
(operating)
|
-500
to +5000 m
(-1640
to 16404 ft)
|
|
Vibration
(operating)
Amplitude
Acceleration
|
<
0.7 mm
<
2 G
|
|
Bump
(transport)
|
<
10 G
|
|
Airflow
|
|
Fan
airflow
|
Front
to sides/rear
|
|
Fan
noise
Idle
condition, 1 m distance
Rated
power, 1 m distance
|
<
30 dB SPLA
<
53 dB SPLA
|
|
Mechanical
|
|
Enclosure
|
|
Dimensions
(HxWxD)
With
mounting brackets
Rack
unit
|
44
x 483 x 400 mm
(1.75
x 19 x 15.7 in)
19
in, 1U
|
|
Ingress
protection
|
IP30
|
|
Case
Material
Color
|
Steel
RAL9017
|
|
Frame
Material
Color
|
Zamak
RAL9022HR
|
