E8:2 Energy Efficient Class-D Amplifier 2x400W 19" 1U

Product Features

• 800 W amplifier carrying 2 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 2 x 400 W at constant voltage 70 V or low impedance (2, 4 and 8 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 fan 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 analogue inputs and amplifier outputs on detachable screw terminals

Product Specifications

General

• Number of amplifier channels:  2
• Max total output all channels driven:  800 W
• Peak output voltage per channel:  100 V / 70 Vrms
• Max. output current:  16 Arms
• Max output power (all channels driven)
• 2 ohms:  400 W
• 4 ohms:  400 W
• 8 ohms:  400 W (requires the “70 V” mode for the RSL, “Lo-Z” gives 200 W)
• 16 ohms:  290 W (requires the “70 V” mode for the RSL, “Lo-Z” gives 100 W)
• 70 V:  400 W
• 100 V:  Can deliver 400 W to a 100 V load tapped at 800 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:  56.6 V
• Sensitivity for stated power into 4 Ohm in Lo-Z mode:  4 dBu
• Sensitivity for 70.7 V out in 70 V mode:  4 dBu
• Sensitivity for stated power into 2 Ohm in Lo-Z mode:  1 dBu
• Sensitivity for stated power into 8 Ohm in 70 V mode:  2.1 dBu
• Sensitivity for stated power into 16 Ohm in 70 V mode:  3.7 dBu
• Gain in 70 V mode:  35.2 dB
• Gain in Lo-Z mode:  30.3 dB
• Level adjustment (per channel):  Rear panel potentiometer, from -inf to 0 dB

Connectors and Buttons

• 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:  Single fan, front to rear airflow, no filter required, temperature controlled speed

Power

• Nominal voltage:  100 – 240 VAC
• Operating voltage:  70 – 265 VAC
• Standby consumption:  <1 W
• Mains connector:  IEC inlet

Physical & Dimensions

• Dimensions:  W: 483 mm (19”), H: 44 mm (1 U), D: 276 mm (10.9”)
• Weight:  4.2 kg (9.3 lbs)
• Finish:  Dark grey aluminium front and black steel chassis