Emotiva XPA-DR2 Differential Reference™ Two-Channel Power Amplifier

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Audio Specifications

The XPA-DR2 features two Differential Reference™ Amplifier Modules.

Audio Specifications (Two Differential Reference Amplifier Modules):

Power Output (both channels driven): 550 watts RMS, per channel, into 8 Ohms, at <0.1% THD. 800 watts RMS, per channel, into 4 Ohms, at <0.1% THD.

Power Bandwidth (at rated power; 4 Ohm - 8 Ohm load): 20 Hz to 20 kHz (+ / – 0.1 dB).

Broad Band Frequency Response: 20 Hz to 50 kHz +0/-2 dB.

THD + noise: < 0.015%; at 100 watts RMS; 1 kHz; 8 Ohms.

Signal to Noise Ratio (8 Ohm load): > 120 dB; ref FTC rated power; unbalanced input (A-weighted). > 96 dB; ref 1 watt; unbalanced input (A-weighted).

Minimum Recommended Load Impedance (per channel): 4 Ohms. (which equals one 4 Ohm load or two paralleled 8 Ohm loads).

Damping Factor (8 Ohm load): > 500.

Input Sensitivity (for rated power; 8 Ohm load): 2.1 V.

Gain: 29 dB.

  • Maximum Power Consumption: 1,700 watts. Note: The values shown refer to the amount of power the amplifier would  consume while playing test tones continuously, on all channels, at full power, into a load bank. Therefore they are not at all characteristic of what you would expect when playing music or the sound track from a movie. Normal audio signals are dynamic, so the amount of power they require from second to second varies widely, and the average is far lower than this. With normal content, even playing very loudly, one of our amplifiers will consume far less power than indicated in the chart, so these values should not be considered to be a circuit requirement for normal operation.

Input Impedance: 33 kOhms (balanced). 23.5 kOhms (unbalanced).

Input And Output Connections

Input Connections: Unbalanced (RCA); balanced (XLR); one each, per channel, user selectable.

Speaker Output Connections: Audiophile grade, gold plated, 5-way binding posts.

Trigger: Trigger Input: 5 – 12 V (AC or DC); <10 mA input current required. Trigger Output: 12 VDC; can drive any load up to 120 mA.

Power Requirements

Between 100 VAC and 250 VAC @ 50 / 60 Hz (automatically detected).

Front Panel Controls and Indicators

Standby: push button (halo ring changes color to indicate Standby or On).

Status LEDs: one per channel; blue. Status LEDs change to red to indicate a fault condition.

Rear Panel Controls

AC Power switch: rocker switch (switches AC main power).

Status LEDs switch: disables front panel Status LEDs and dims Standby button halo.

Input selector switches (one per channel):  metal toggle switches; select between balanced and unbalanced inputs.

Circuit Breaker: press button to reset circuit breaker.

Protection

The XPA-DR2 is protected against excessive operating temperature, shorted speaker connections, ground faults, and other common fault conditions.

Mechanical

Dimensions: 17” wide x 8” high x 19” deep (unboxed; including feet). 17” wide x 7” high x 19” deep (unboxed; without feet). 24-1/2” wide x 12” high x 24-3/4” deep (boxed).

Weight: 42.5 lbs (unboxed). 47.5 lbs (boxed).

Circuit Topology

A fully modular, fully differential, fully balanced audio power amplifier with a high-efficiency switch mode power supply (SMPS), independent, fully discrete, dual differential, high current, short signal path Class A/B amplifier modules, Optimized Class H™ power supply topology, and microprocessor-controlled fault protection.

NOTE: This is a fully balanced amplifier with a floating, differential output stage. The output terminals must NEVER be tied together or ground referenced. Doing so will cause immediate damage that is NOT covered under warranty. If you have any questions about speaker compatibility, please contact Emotiva for technical support.

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Emotiva XPA-DR2 Differential Reference™ Two-Channel Power Amplifier

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