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  • MASS-Kobo Model 465 - New - Grey
  • MASS-Kobo Model 465 - New - Black

MASS-Kobo Model 465

Flagship Hand-made Fully Balanced Headphone Amplifier

  • Features independent left and right power for a twin balance monaural design.
  • Clean audio experience where the presence of the amplifier is barely noticeable.
  • Offers 3.5 W + 3.5 W (32 Ω load) of power output, while supporting Balanced XLR 3-pin and Unbalanced RCA inputs.
Regular price £15,499.00
Sale price £15,499.00 Regular price
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    MASS-Kobo Model 465

    MASS-Kobo Model 465

    The Model 465 is designed with independent left and right power, creating a twin balance monaural configuration. This unique design enhances the audio experience by providing a clean and stress-free sound, where the presence of the amplifier is virtually undetectable. It delivers a flagship sound quality that surpasses expectations.

    In terms of output, this amplifier offers balanced output of 3.5 W + 3.5 W (32 Ω load), ensuring sufficient power to drive compatible devices. The input options include Balanced XLR 3-pin and Unbalanced RCA, catering to various connectivity needs.

    When using the Balanced input, it's important to note that the reference input level can be selected between +4 dBm and -10 dBm. This feature allows you to optimize the input level based on your specific setup and equipment requirements.

    It's crucial to maintain the appropriate connection between devices to ensure optimal audio performance. If you connect a device with an unbalanced output to a balanced input, the output will not remain balanced. Therefore, it's recommended to connect devices with unbalanced outputs to the RCA input terminals to maintain the intended balance.

    Technical Specifications

    Model
    Full Balanced Stereo headphone amp
    Power Supply
    AC100 - 240V, 50/60Hz
    Electric Energy Consumption
    0.9A (with AC100V)
    Dimensions
    330mmW x 247mmD x 104mmH
    Weight
    6.1kg
    Balanced
    Unbalance
    Input
    XLR3 x2
    RCA x 2
    Output
    XLR4-31 x 1 or XLR3-31 x 2(L,R)
    φ6.3 TRS
    Input Impedance
    3.7kOhm(XLR)
    20kOhm(RCA)
    Reference Input Level
    +4dBm/-10dBm (Selectable)
    -10dBm (RCA)
    Maximum Input Level
    +30dBm (XLR)
    +20dBm (RCA)
    Balanced
    Unbalance
    Maximum Output Level P-P
    32V (with 32Ω loaded, 1kHz, THD+N 0.05%)
    22V (with 32Ω loaded, 1kHz, THD+N 0.05%)
    Maximum Output Level RMS
    10.7V (with 32Ω loaded, 1kHz, THD+N 0.05%)
    7.4V (with 32Ω loaded, 1kHz, THD+N 0.05%)
    Maximum Output without Distortion
    3.8W+3.8W (with 32 ohm load, 1kHz, THD+N 0.05%)
    1.8W+1.8W (with 32 ohm load, 1kHz, THD+N 0.05%)
    Frequency Characteristics
    10Hz - 100kHz (-0.5dB)
    17Hz-50KHz(-0.2dBm)

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