| Amplifier outputs | Full to no load regulation (dB) (20 Hz < 0.2 dB to 20.000 Hz) |
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| Frequency response (-3 dB) (Hz) | 20 Hz – 20,000 Hz Total harmonic distortion + noise (%) < 0.50% Total harmonic distortion + noise (%) < 0.1% (6 dB below RMS power, 20 Hz to |
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| Maximum output power* / RMS power* | 20.000 Hz) (%) (6 dB below RMS power, 1:1) |
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| Maximum output power (W) | 600 W |
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| Minimum signal-to-noise ratio (dBA) | 110 dBA (100 V mode, 20 Hz to 20.000 Hz) |
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| PRA-AD604 Amplifier, 600W 4-channel | 5|6 |
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| Crosstalk between channels (dBA) | < -84 dBA Power supply input A/B Undervoltage Ground short detection (loudspeaker < 50 kohm |
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| Electrical | lines) |
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| Loudspeaker load | Amplifier channel redundancy switch- Internal spare channel ing |
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| Loudspeaker load, both modes, all | 600 W |
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| channels (maximum) | Amplifier channel load Short circuit |
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| Minimum output load impedance (Ω), 8.3 Ω | Controller continuity Watchdog |
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| Maximum cable capacitance (nF), | Temperature Overheat 200 nF |
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| Fan | Rotation speed |
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| Power transfer | Network interface Link presence |
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| Input voltage (VDC) | 48 VDC Network interface |
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| Ethernet type | 100BASE-TX; 1000BASE-T |
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| Input voltage (VDC) (tolerance) | 44 VDC – 60 VDC |
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| Ethernet protocol | TCP/IP |
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| Power consumption (W), sleep mode, 6 W | Redundancy RSTP |
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| Control/Audio protocol | OMNEO |
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| Power consumption (W), snooze | 7.5 W |
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| mode, supervision active | Latency (ms) of the network audio 10 ms |
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| idle | Audio encryption AES 128 |
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| Power consumption (W), active mode, 50 W | Security TLS |
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| Power consumption (W), active mode, 222 W | Number of Ethernet ports 2 |
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| Power consumption (W), per active | 0.4 W Reliability |
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| Mean time between failures (MTBF) | 300000 h |
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| Heat loss, including power supply | (h) (extrapolated from calculated MTBF of PRA-AD608) |
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| Maximum heat loss (BTU/h), active | 157 BTU/h |
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| mode, idle | Environmental |
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| Maximum heat loss (kJ/h), active | 166 kJ/h |
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| Storage temperature (°F) | -22 °F – 158 °F |
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| mode, full power | Operating relative humidity, non-con- 5% – 95% densing (%) |
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| Supervision | Installation altitude (m) -500 m – 5,000 m |
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| Installation altitude (ft) | -1,640 ft – 16,404 ft Services |
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| Operating vibration | EWE-PRAMP4-IW 12 mths wrty ext Praes Amp 4 ch 12 months warranty extension |
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| Amplitude (mm) | < 0.70 mm Order number EWE-PRAMP4-IW | F.01U.387.316 |
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| Acceleration (G) | <2G |
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| Bump (transport) (G) | < 10 G (IEC 60068-2-27) |
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| Fan airflow | Front to sides/rear |
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| Fan noise, 1 m distance (dBSPLA). | < 30 dBSPLA |
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| Fan noise, 1 m distance (dBSPLA), | < 53 dBSPLA |
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| Dimensions (H x W x D) (mm) | 44 mm x 483 mm x 400 mm |
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| Dimensions (H x W x D) (in) | 1.75 in x 19 in x 15.7 in |
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| Rack unit (U) | 1U |
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| IP rating | IP30 |
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| 材質 | Steel; Zamac |
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| Color (RAL) | RAL 9017 Traffic black |
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| Weight (kg) | 8.10 kg |
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| Weight (lb) | 17.90 lb Ordering information PRA-AD604 Amplifier, 600W 4-channel Network connected, DC powered, 4‑channel, 600 W power amplifier with integrated additional spare channel (max. 600 W) and DSP functions. Order number PRA-AD604 | F.01U.325.043 F.01U.399.142 Accessories PRA-EOL End-of-line device Device for loudspeaker line integrity supervision in Public Address and Voice Alarm applications. Order n |
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