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      • The world of APURNA™
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    • AMPLIFIERS
      • MONOBLOCKS
      • Apogée
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      • Prélude
      • TECHNICAL SYNTHESIS | AMPLIFIERS
      • DESIGN SUGGESTIONS
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    • AT YOUR SERVICE

    Language:

    FR   |   EN

    Language:

    FR   |   EN

    brand-logo HOMEPAGE
    • |
    • CONCEPT
      • The world of APURNA™
      • Our Expertise
      • Sustainable Development
    • AMPLIFIERS
      • MONOBLOCKS
      • Apogée
      • Soprano
      • STEREO
      • Prélude
      • TECHNICAL SYNTHESIS | AMPLIFIERS
      • DESIGN SUGGESTIONS
    • LOUDSPEAKERS
      • Carmina
    • MEDIA/NEWS
      • Press releases
      • Videos
    • |
    • AT YOUR SERVICE

    Language:

    FR   |   EN

    Language:

    FR   |   EN

    STEREO AMPLIFIERS

              

     

    2 x 300 W RMS

    under 4 Ω

              

     

    Developed and hand-built

    in France

     

      

     

    POWER AMPLIFIERS

    ---

    INTEGRATED AMPLIFIERS

    (" BYPASS IN " or " PREAMP OUT " version)

    Lacquer finish

    STEREO

    AMPLIFIERS

    2x 300 W RMS

    under 4 Ω

     

    Developed and hand-built

    in France

     

      

     

    POWER AMPLIFIERS

    ---

    INTEGRATED AMPLIFIERS

    (" BYPASS IN " or " PREAMP OUT " version)

    Lacquer finish

    PRÉLUDE STEREO
    • TECHNICAL SPECIFICATIONS
    • DOCUMENTS
      • APURNA™ | Prélude Stereo
      • The APURNA™ Products Compared

    PRÉLUDE

     

    The premium PRÉLUDE stereo amplifier line has been designed to meet your every musical requirement.

     

    Having the same compact and elegant design as our SOPRANO monoblock line and available with or without integrated DAC, 

    the Prelude amplifiers will smoothly harmonize with your interior decoration thanks to their endless, bespoke colour options.

     

    Beautifully curved and surrounded by an anodized aluminium bezel, the PRÉLUDE stereo amplifier’s optics, showing APURNA™’s symbolic « ice crystal » screen printed onto the acrylic glass, are exquisite.

    FINISHES

    The PRÉLUDE lacquer colours can be selected from the considerably large number of RAL colour chart references, in matte, gloss or satin finish.

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      CONTROL MODULES

      The attractive design of the PRÉLUDE collection’s « OCTOGON » Control Modules* perfectly match the iconic shape of the APURNA™ amplifier collections.

       

      They function via “RF” (radio frequency) connection, controlling the APURNA™ amplifiers remotely, regardless of their orientation.

       

      The Control Modules include volume display by means of the “sources” LEDs and allow to vary or even turn off the optics when the amplifiers are switched on.

       

      These technological masterpieces of an incomparable appeal are delivered inside their dedicated case.

       

       

       

      * Only for integrated amplifiers

      AVAILABLE

      CONNECTORS

      Model shown with integrated preamp in "PREAMP OUT" version

      The connectors on all our amplifiers have been selected for their technical excellence, and are gold-plated.

       

      AVAILABLE CONNECTORS

      POWER

      AMPLIFIER

      1 XLR Stereo input

      1 RCA Stereo input

      TRIGGER In / Out (Link)

      INTEGRATED

      AMPLIFIER *

      " BYPASS IN " version

      2 XLR Stereo input, with 1 in bypass mode

      3 RCA Stereo input

      OR

      " PREAMP OUT " version

      1 XLR Stereo input

      3 RCA Stereo input

      1 XLR preamp Stereo output 

       

      SPEAKER OUTPUTS

      4 WBT-0763 terminals with gold plating

      * 2 configurations available

      TECHNICAL SPECIFICATIONS

      AMPLIFICATION

      Class

      AB

      Output power

      2x 300W RMS under 4-ohm

      2x 150W RMS under 8-ohm

      (compatible with a 1-ohm load with signal musical)

      Maximum output current

      2x 38 amps

      Maximum pulse power

      2x 1400W

      THD + N (A-Weighting)

      0.005% (1Khz 1W)

      IMD (60Hz - 7KHz; 4:1; 1W)

      0.008%

      Bandwidth (1W)

      DC (0Hz) - 415 Khz (-3dB)

      DC (0Hz) - 120 Khz (-0,1dB)

      Bandwidth (150W)

      DC (0Hz) - 43 Khz (-0,1dB)

      Damping factor

      > 500 under an 8-ohm

      Signal-to-noise ration (A-Weighting)

      > 116 dB

      Voltage gain

      30 dB

      Sensitivity

      1.1V RMS

      Available inputs

      POWER AMPLIFIER

      x1 XLR Stereo input

      x1 RCA Stereo input

      TRIGGER In / Out (Link)

      INTEGRATED AMPLIFIER *

      " BYPASS IN " version

      x2 XLR Stereo input, with 1 in bypass mode

      x3 RCA Stereo input

      OR

      " PREAMP OUT " version

      x1 XLR Stereo input

      x3 RCA Stereo input

      x1 XLR preamp Stereo output 

      ON/OFF Control

      POWER AMPLIFIER

      TRIGGER input (+12V)

      INTEGRATED AMPLIFIER

      Control Module

      Speaker outputs

      x4 WBT-0763 terminals with gold plating

      Dimensions

      400 x 400 x 230 mm

      Weight (For a standard amplifier)

      37 Kg

      * 2 configurations available

      DAC *

      DAC

      Chip ES9038Q2M (SABRE HIFI)

      THD + N

      < 0,0003% (1KHz - 1W)

      Signal-to-noise rate

      > 120dB (10Hz~20KHz)

      Frequency response

      +/- 0.1dB (10Hz~20KHz)

      Reference Clock Jitter

      < 3 ps

      Available connectors

      x1 USB-B Port

      USB-B

      PCM: Up to 768KHz / 32bits

      DSD: Up to DSD256 (11.2 MHz)

      x1 RCA Digital socket

      S/PDIF IN

      Up to 192KHz / 24bits

      * The DAC option is only available for the stereo PRÉLUDE integrated amplifiers, with an additional cost.

      DOCUMENTS

      APURNA™ | Prélude Stereo
      The APURNA™ Products Compared

      CONTACT

      700 Rue Jean Moulin 

      07500 GUILHERAND-GRANGES - France

      T | +33 (0) 4 75 81 33 71

      E | contact@apurna-france.com

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