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ESOTERIC Grandioso C1X

ESOTERIC Grandioso C1X

The Grandioso C1X has two separate chassis, with each channel totally independent from the other Esoteric, Ultra Fidelity Attenuator System provides 0.1dB/1,120steps super precision volume, Employs 2sets XLR output and 2 sets ESLA outputs which each set has Quad Buffer Amplifier 3sets XLR input can be switched to ESLA inputs.

  • Manufacturer's Description

    Analog audio inputs  
    XLR/ESL-A 3 pairs
    Input impedance 50kΩ
    Input sensitivity 500mV (at reted output)
    Maximum input level 12V
    RCA 2 pairs
    Input impedance 68kΩ
    Input sensitvity 500mV (at rate output)
    Maximum input level 12V
    Analog audio outputs  
    XLR 2 pairs
    Output impedance 30Ω
    Rate output 2V
    Maximum output level 17V
    ESL-A 2 pairs * Option: Changing the ESL-A terminals with RCA terminals.
    Output impedance 30Ω
    External Control  
    Terminal D-sub 9-pin × 1
    Terminal 3.5mm Monaural Mini jack × 1
    Input Level 12V, 2mA
    Terminal 3.5mm Monaural Mini jack × 2
    Output Level 12V, 100mA (total)
    Power supply  
      AC 120V, 60Hz
      AC 220-240V, 50/60Hz
    Power consumption 15W (L), 15W (R)
    External dimensions (W×H×D)   
    Main unit 445 × 132 × 449mm
    17-⅝" × 5-¼" × 17-⅝" (including protrusions)
    Power unit 445 × 132 × 452mm
    17-⅝" × 5-¼" × 17-⅞" (including protrusions)
    Main unit 20.2kg / 44.6 lb
    Power unit 29.0kg / 64 lb
    Included accessories Power cords × 2
    DC power connection cords × 2
    Remote control (RC-1334) × 1
    AA batteries × 2
    Felt pads × 8
    Owner's manual × 1
    Warranty card × 1


    Audio performance

    Frequency response 1Hz to 150kHz (–3dB, XLR IN, XLR OUT)
    S/N ratio 120dB (2V input, A weight, XLR IN, XLR OUT)
    Total harmonic distortion 0.00035% (XLR IN, XLR OUT)
    Gain +12dB (XLR IN, XLR OUT)

    Your order will be fulfilled by the delivery date set out in the Dispatch Confirmation or, if no delivery date is specified, then within a reasonable time, which shall be a maximum of thirty (30) days from the date of the Dispatch Confirmation, unless there are exceptional circumstances.


    The Music Room enjoys a 40-year tradition of customer care and at time of writing, full 5-star Google reviews. In addition UK customers enjoy the legal rights of mail order and distant selling. 

    We have exported happily for many years and most probably have happy customers in your country who will confirm our reliability and refund in the event of mishaps. 

    Refunds can only be made by the same payment form and to the same account to avoid possible fraud or money laundering.

  • The Music Room price matching...

    The Music Room price matching...

    We are an official Esoteric dealer and offer the best UK prices. If you have seen this product cheaper elsewhere, Let us know; we will match or beat any price.

"See us at the NorthWest Audio Show, 22-23 June 2024" 
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