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Electro Voice : Q44-II

By: Electro Voice
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Pro-audio Products
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650 W Per Channel Power Amplifier

Building on a legacy of power and performance, Q44-II amps take Electro-Voice’s unique amplifier philosophy to a new level of efficiency and value. The Q44-II achieves superb audio performance because it's designed for superior dynamic headroom and transient response, resulting in 30% greater output capability for short-duration signals. High-power Q Series models use sophisticated Class-H topology that dramatically reduces heat and cuts energy consumption by up to 50%, yielding racks that are easier to power and easier to cool.

Smaller Q series models are based on the proven Class-AB designs of EV’s reference-standard P series. All models incorporate dynamic limiting to prevent dangerous output clipping, as well as extensive protections against thermal damage and electrical malfunction. Combining Class-H innovation with the sonic excellence and robustness of its Precision series heritage, the compact, affordable Q series is the ideal amplifier line for all sizes of clubs, concerts, performance centers, and sports venues.

Q44-II features include:

  • Outstanding value and performance for club and mobile systems
  • Dynamic headroom for all real-world applications
  • 650 W per channel (2 Ω)
  • Class-AB design
  • XLR pass-though input connections
  • Easy connection to bi-amped loudspeakers
  • Switchable LPN filter for extra tonal fundamentals and "kick"
  • Protective low-cut for systems without subwoofers
  • Built-in dynamic limiters
  • Complete protection package
  • Three-stage front-to-rear fans
Amplifier Gain 32 dB
Continuous Rated Power (1 kHz, THD 1%) 2Ω 650 Watts
Continuous Rated Power (1 kHz, THD 1%) 4Ω 450 Watts
Continuous Rated Power (1 kHz, THD 1%) 8Ω 270 Watts
Continuous Rated Power (20-20 kHz, THD<0,2%) 4Ω 400 Watts
Continuous Rated Power (20-20 kHz, THD<0,2%) 8Ω 200 Watts< -75 dB ref. 1kHz, @ 10% rated output power
Cooling Front-to-Rear, 3-stage fans
DIM 30 0.05 %
Electronics Type Amplifier
Frequency Response 10 Hz - 40 kHz ±1 dB
Impedance 2/4/8 Ω
Input Impedance (Balanced) 20 kΩ
Input Sensitivity 2.2 dBu
Intermodulation Distortion (SMPTE) 0.1 %
Maximum Input Voltage 21 dBu 8.69 Vrms
Network Control (IRIS-Net) No
Signal-to-Noise Ratio (A-weighted) 106 dB
Slew Rate 25 V/µs
Topology Class-AB
Total Harmonic Distortion 0.03 %
Height 2RU 88.1 mm (3.47")
Width 483 mm (19.02")
Depth 421.5 mm (16.59")
Weight Net 12.6 kg (27.78 lbs)

 



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Prices and specifications subject to change without notice.