Name: XPA DR 3
SKU: 2758
Availability: InStock

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.
Power Output (all three channels driven)	450 watts RMS, per channel, into 8 Ohms, at <0.1% THD. 600 watts RMS, per channel, into 4 Ohms, at <0.1% THD.
Power Bandwidth (at rated power; 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	< 0.008%; 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)	2.0 V.
Gain	29 dB.
Maximum Power Consumption	2,300 watts.
Input Impedance	33 kOhms (balanced). 23.5 kOhms (unbalanced).
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-DR3 is protected against excessive operating temperature, shorted speaker connections, ground faults, and other common fault conditions.
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	49.5 lbs (unboxed). 54.5 lbs (boxed).

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XPA DR 3

Channel: 3; Class A/B; Output (all channel driven): 450 watts/ Channel RMS @ 8 Ohms & 600 watts/ Channel RMS @ 4 Ohms

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