Description
Emotiva XPA-DR3 Overview
The XPA-DR3 is a three-channel, high-powered audiophile power amplifier that uses a matched combination of Differential Reference amplifier modules to deliver a superior quality of sound. The Differential Reference Modules use the same circuit topology as Emotiva's legendary XPR power amps to deliver remarkably exact and pure audio signals to the complementary output stages of every channel.
The stereo XPA-DR3 delivers 550W into 8 ohms and provides balanced amplification to each channel. It uses a regulated Switch Mode Power Supply (SMPS) to blend traditional Class A/B and Class H technologies for the perfect balance of quality and power.
Emotiva XPA-DR3 Features
XPA-DR3 is built with an industrial chassis that houses a massively overdesigned, entirely regulated, 3 kilowatt SMPS and up to three Differential Reference amplifier Modules. Unlike most other power amplifiers that require upgrading their internal components to increase the number of channels they can handle, XPA-DR3 can be expanded to up to fourteen channels in an additional chassis, so you never have to upgrade again!
In addition to the SMPS, XPA-DR3 also utilizes Emotiva's Soft-Switch Class H Power topology, enabling each output stage to operate at a lower voltage to attenuate quiescent power consumption and standby power losses. This technique occurs consistently in real-time, permitting larger overall potency, cooler operation, longer element life, reduced power consumption, and greater reliability.
DR3 is equipped with both balanced XLR and unbalanced RCA phono inputs for maximum flexibility when connecting to an Emotiva processor or other AV receiver. The XPA-DR3 is designed to be used with all Emotiva AV processors, but can also be used with other brands of AV receivers and processors.
Each XPA-DR3 features a machined aluminum faceplate, with blue LED status displays on each channel and a Standby button to indicate if the unit is in Standby or On. It also features a halo ring around the Standby button that changes color to indicate if there is a fault.
Emotiva XPA-DR3 Specification
| Power Output | 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; 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). |
| Minimum Recommended Load Impedance (per channel): |
4 Ohms |
| Damping Factor |
(8 Ohm load): > 500. |
| Input Sensitivity |
(for rated power; 8 Ohm load): 2.0 V. |
Input And Output
| 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). |
| Input selector switches (one per channel): |
metal toggle switches; select between balanced and unbalanced inputs. |
| Circuit Breaker: |
Press the 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. |
Mechanical
| Dimensions: |
17” wide x 8” high x 19” deep (unboxed; including feet). |
| Weight: |
49.5 lbs (unboxed). 54.5 lbs (boxed). |
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