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Krell Solo 375 XD Mono Amplifier
Krell Solo 375 XD Mono Amplifier

Krell Solo 375 XD Mono Amplifier

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Product Description:

  • Frequency response: 20 Hz to 20 kHz +0, –0.15 dB | <0.5 Hz to 100 kHz +0, –3 dB
  • Signal-to-noise ratio: >103 dB, wideband, unweighted, referred to full power output | >114 dB, “A”-weighted
  • Gain: 27 dB
  • Total harmonic distortion: <0.03% at 1 kHz, at 375 W, 8 Ω | <0.19% at 20 kHz, at 375 W, 8 Ω
  • Input Impedance: Single-ended: 100 kΩ | Balanced: 200 kΩ
  • Input sensitivity: Single-ended or balanced: 2.45 V RMS
  • Output power: 375 W RMS at 8 Ω | 600 W RMS at 4 Ω
  • Output voltage: 154 V peak-to-peak | 55 V RMS
  • Output current: 17 A peak
  • Slew rate: 40 V/μs
  • Output impedance: <0.018Ω, 20 Hz to 20 kHz
  • Damping factor: >440, 20 Hz to 20 kHz, referred to 8
  • Power consumption: Standby: 1 W | Idle: 66 W | Maximum: 1150 W
  • Heat output: Standby: 3.42 BTU/hr. | Idle: 225 BTU/hr. | Maximum: 3933 BTU/hr.
  • Inputs: 1 single-ended via RCA connector | 1 balanced via XLR connector | 1 CAST
  • Outputs:1 pairs binding posts
  • Dimensions: 17.1 in. W x 7.65 in. H x 21.10in. D | 434 mm W x 194 mm H x 536mm D
  • Weight: 70 lbs., 31.8 kg (shipping) | 60 lbs., 27.3 kg (unit only)
Products Specifications
  • Frequency response: 20 Hz to 20 kHz +0, –0.15 dB | <0.5 Hz to 100 kHz +0, –3 dB
  • Signal-to-noise ratio: >103 dB, wideband, unweighted, referred to full power output | >114 dB, “A”-weighted
  • Gain: 27 dB
  • Total harmonic distortion: <0.03% at 1 kHz, at 375 W, 8 Ω | <0.19% at 20 kHz, at 375 W, 8 Ω
  • Input Impedance: Single-ended: 100 kΩ | Balanced: 200 kΩ
  • Input sensitivity: Single-ended or balanced: 2.45 V RMS
  • Output power: 375 W RMS at 8 Ω | 600 W RMS at 4 Ω
  • Output voltage: 154 V peak-to-peak | 55 V RMS
  • Output current: 17 A peak
  • Slew rate: 40 V/μs
  • Output impedance: <0.018Ω, 20 Hz to 20 kHz
  • Damping factor: >440, 20 Hz to 20 kHz, referred to 8
  • Power consumption: Standby: 1 W | Idle: 66 W | Maximum: 1150 W
  • Heat output: Standby: 3.42 BTU/hr. | Idle: 225 BTU/hr. | Maximum: 3933 BTU/hr.
  • Inputs: 1 single-ended via RCA connector | 1 balanced via XLR connector | 1 CAST
  • Outputs:1 pairs binding posts
  • Dimensions: 17.1 in. W x 7.65 in. H x 21.10in. D | 434 mm W x 194 mm H x 536mm D
  • Weight: 70 lbs., 31.8 kg (shipping) | 60 lbs., 27.3 kg (unit only)

Product Review

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  • Stereophile

    • Michael Fremer
      Michael Fremer
      Reviewed on 29 Sep, 2015

      If you listen mostly to classical and jazz, I recommend that you give the Solo 575s a listen—but proceed with caution. And if you listen mostly or exclusively to rock, and your speakers have good bottom-end extension, and—especially—if they thrive on lots of power and can deliver wide dynamic swings, you need to hear the Solo 575s. Just don't expect the usual buttery class-A sound: However well Krell's iBias circuit works to increase efficiency and thus decrease heat, it melts away some of that butter. Which is what left me wondering if iBias results in true class-A operation—or class-A*.

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