Matrix Audio HPA-3B Class A Fully Balanced Headphone Amplifier

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Stock code: MATRIXHPA3B


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    Our Price: £485.00
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    A Truly World Class Fully Balanced Class A Headphone Amplifier.

    HPA-3B is a new member of the M-Stage series headphone amplifier, who is the first one full-balanced design of the headphone amplifier, both supports single-ended output and differential output, maximising the performance of the headphones.

    Offers both RCA and XLR input options.
     
    Full-band of THD + N less than 0.0003%, SNR up to -114dB, bandwidth not less than 140k at -3dB gain, 0.4Ω, three gain level options to fit for the different impedance and sensitivity headphone, all of these excellence performance improvements to be born the brand new HPA-3B!
     
    HPA-3B is both a balance headphone amplifier and a single-ended headphone amplifier, can input the single-ended signal via accessory XLR converter.
     
    Excellent structural design to quickly dissipate the heat of power transistors via the shell, full symmetric circuit layout, fully differential signal path amplification, driver stage is the precision constant current source, the precision quadruple potentiometer volume control, so that the HPA-3B has better dynamic range and details than a single-ended headphone amplifier.
     
    The Alps customises model of volume potentiometer, Wima and Nichicon audio grade capacitors, Noratel toroidal transformer, precision non-inductive resistance, each carefully selected components make HPA-3B not only presents the perfect sound, but also a more stable and reliable.

    Technical Specification

    Balance Headphone Output
    SNR: >-114dB A-Weighting
    THD+N: <0.0003% at 300ohms 135mW 1kHz A-Weighting
    Frequency Response: 20Hz-20kHz(+0dB/-0.05dB)
    Output Impedance: 0.6ohms
    Output Power: 3800mW at 33ohms / 1500mW at 300ohms / 800mW at 600ohms at THD+N=0.01%
     
    SE Headphone Output
    SNR: >-108dB A-Weighting
    THD+N: <0.0004% at 300ohms 325mW 1kHz A-Weighting
    Frequency Response: 20Hz-20kHz(+0.03dB/-0.1dB)
    Output Impedance: 0.4ohms
    Output Power: 2100mW at 33ohms / 430mW at 300ohms / 220mW at 600ohms at THD+N=0.01%
     
    Gain Control
    Gain: 5=5dB 10=10dB 20=20dB
     
    Power
    Power Voltage:
    230V position is fit for AC220V-240V 50/60Hz
    115V position is fit for AC100V-120V 50/60Hz
    Power Consumption: <25W
    Fuse: AC250V/500mA 5x20mm
     
    Others
    Dimension: 285×142×49mm L×W×H(Including the protruding part)
    Weight: 1.7kg
     
    Accessory
    User Manual Disk: ×1
    Power Cord: ×1
    XLR/RCA Adapter: ×2
    ".....Well what can I say, this is a powerful desktop amp........it is powerful and balanced, well refined and ever so slightly smooth. It works wonders with Beyerdynamic T1.......The sound is articulate and extended on both ends.......you get the great separation and soundstage, along with the very tight and detailed sound, but the amp adds a little warmth and adds a little something that makes them sound tonally correct. ......" ~ OStewart / Headfi & Sound Perfection.

    Stock Enquiry

    Occasionally, due to stock demand, we can sell out. If this occurs when you make a purchase, we will inform you quickly. Most out of stock items are available for dispatch within 3 working days. If your purchase is urgent, use this form for a priority price and stock availability check.

    All pre-owned items are in stock and available for next day delivery if order placed before 1pm.

    Enquiries will be responded to within 1 hour during office hours.

     

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