Chord Electronics

Etude 150W Stereo Power Amplifier

Featuring technology derived from the aerospace industry, the Étude is an incredibly compact stereo amplifier with stunning power, speed and clarity.

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$5,300.00
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The multi-award winning Chord Electronics Choral family of products has never sounded so good. Welcome Étude to the table, a 150w Class AB stereo power amplifier featuring the first fundamentally new topology since Chord Electronics’ inception in 1989, using highly advanced technologies seen within the aerospace industry.

The Choral Étude has been designed to both complement and exploit the full potential of the multi-award winning DAVE DAC, which has preamp functionality, and the brand new topology has even faster power delivery than exiting designs, offering unrivaled dynamics, life-like delivery of transient information, plus effortless control over loudspeaker drive units.

The design for Étude is based upon multi-feedback and dual feed-forward error-correction amplifier technology that intelligently adjusts and compensates the individual linearity of the 250-watt lateral structure high-power proprietary MOSFETs. Internally there are three individual high-frequency switch mode power supply units, one for each active power rail and a final for the auxiliary rails. When paired with advanced internal shielding, active cooled plenum chamber design, and custom Chord Electronics MOSFETs, you have Étude, a world-class extremely fast crystal clear amplifier.

Although the amplifier is conservatively rated at 150W into 4Ω, if you run Étude in bridged mono mode you can increase this to 300W into 4Ω.

Features-

  • Class AB Sliding Bias
  • HF Switch Mode Power Supply
  • Chord MOSFET Construction
  • Fully Balanced Circuitry
  • Fan Cooled
  • Stereo Balanced XLR Inputs
  • Stereo Unbalanced RCA Inputs
  • Solid Aluminium Chassis
  • Bridgeable to 300w - 4Ω

Technical Specs-

  • Output Power: 150w RMS per channel @ 0.05% distortion into 4Ω
  • Frequency Range: 5Hz – 100kHz +/- 0.5dB
  • Gain: 30dB
  • Channel Separation: Better than 95dB
  • Input Impedance: 100kΩ Unbalanced/Balanced
  • Input Capacitance: <30pf
  • Output Impedance: 0.02Ω
  • Output Inductance: 2.6μH
  • Dimensions: 6.7cm (H) 33.5cm (W) 17.5 (D)
  • Weight: 3.45kg
More Information
Weight7.61 lbs
InputsStereo Balanced XLR Inputs, Stereo Unbalanced RCA Inputs
FeaturesBalanced Inputs, Mono, Stereo
WarrantyAccessories: 30 days, Portable Products: 1 Year, Transportable Products: 3 years, Desktop and Full-Size Components: 5 Years
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