篩選

LAB GRUPPEN E5:4 Power Amplifier

500 Watt Amplifier with 4 Flexible Output Channels for Installation Applications
  • 500 W amplifier carrying 4 flexible output channels in a high power density 1 rack unit form factor saves rack space and system cost
  • Energy efficient with Energy Star certification for supreme green credentials and exceptionally low lifetime running costs
  • Flexible IntelliDrive permits delivering the 4 x 125 W at constant voltage 70 V or low impedance (2, 4, 8 and 16 Ohms) on any channel
  • Asymmetric channel loading allows mixing and matching loads with different impedances to maximize overall system efficiency and inventory utilization
  • High efficiency amplifier with low power consumption and minimized heat generation lowers demands on the installations’ mains distribution and cooling systems
  • IDEEA outputs stage based on proprietary, state-of-the-art Class-D amplifier technology for superior performance
  • Comprehensive fail safe circuit protection ensures continued operation even under reduced operating conditions
  • Auto-standby and auto-power-on reduces power consumption to below 1 W in non-operating cycles
  • Rail Sense Limiter (RSL) greatly reduces signal clipping and ensures simple configuration for constant voltage and low impedance loads
  • Built in 50 Hz high pass filter selectable per channel available on rear panel switch
  • Per channel attenuation knob and signal LED on rear panel for simple commissioning
  • Efficient cooling with temperature controlled fans with front to back airflow
  • Aluminum front panel with power and temperature LEDs and per channel signal and limit LEDs
  • GPIO connector with power control and indication for further system integration
  • Balanced high-quality analog inputs and amplifier outputs on detachable screw terminals
分類: ,
General
Number of amplifier channels 4
Total output all channels driven 500 W
Peak output voltage per channel 100 V / 70 Vrms
Max. output current 9.9 Arms
Max output power (all channels driven)
2 ohms N.R.
4 ohms 125 W
8 ohms 125 W
16 ohms 125 W (requires the “70 V” mode for the RSL, “Lo-Z” gives 63 W)
70 V 125 W
100 V Can deliver 125 W to a 100 V load tapped at 250 W
Performance
THD 20 Hz – 20 kHz at 1 W <0.1%
THD at 1 kHz and 1 dB below clipping <0.05%
Signal to Noise Ratio >112 dBA
Channel separation (Crosstalk) at 1 kHz > 70 dB
Frequency Response 2 Hz – 40 kHz
Input impedance 20 kOhm
Common Mode Rejection (CMR) 50 dB
Output impedance 25 mOhm
Gain, Sensitivity and Limiters
Limit and gain switch defining limit and gain (per channel) 2 pos: Lo-Z and 70 V
VPL for 70 V mode 100 V
VPL for Lo-Z mode 44.7 V
Sensitivity for stated power into 8 Ohm in Lo-Z mode 4 dBu
Sensitivity for 70.7 V out in 70 V mode 4 dBu
Sensitivity for stated power into 4 Ohm in Lo-Z mode 1 dBu
Sensitivity for stated power into 16 Ohm in 70 V mode 0 dBu
Gain in 70 V mode 35.2 dB
Gain in Lo-Z mode 28.2 dB
Level adjustment (per channel) Rear panel potentiometer, from -inf to 0 dB
Connectors and Switches
Input connectors (per ch.) 3 – pin detachable screw terminals, electronically balanced
Output connectors (per ch.) 2 – pin detachable screw terminals
High pass filter Fixed at 50 Hz, switchable per channel
Power control Can be used to go between standby and ON
GPI (power control input) Contact closure type, 2-pin detachable screw terminal, controls the power state
GPO (power state output) Contact closure type, 2-pin detachable screw terminal, for external monitoring of the power state
Cooling Two fans, front-rear airflow, temperature controlled speed
Power
Nominal voltage 100 – 240 VAC
Operating voltage 85 – 265 VAC
Standby consumption <1 W
Mains connector IEC inlet

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