Featuring The Audiophile Lending Library

HA540 Mk 2 Headphone Amplifier

by Bellari


Bellari has done it again!  They’ve released another true audiophile gem that sells for a budget price.  This time it’s a lush sounding pure Class A tube headphone amp; the ha540.  The ha540 is a real hi-end piece with plenty of gain that is uniquely capable of driving headphones rated from 16 – 2000 Ohms.  Having two separate inputs, it’s brilliantly designed to work equally well with both high and low output level source components.  This means it will produce a high level signal of superb clarity when connected directly to a CD player, computer, iPod or mp3 player.  A zero-feedback design guarntees a smooth natural analog response.  Bellari products are all hand assembled in the USA.

Technical Specifications:

    •    Input Impedance:  47k ohms
    •    Output Impedance:  16 ohms 
    •    Max Output Level:  +15dBv @ 1kHz at .1% dist.
    •    THD:  .05% @ 1kHz
    •    S/N Ratio:  >80dB unweighted
    •    Indicator:  1 power LED
    •    Max Output Power:  up to 500 mW/side, 1 W/stereo (@16 Ohms)
    •    Frequency Response:  5 Hz – 30 kHz
    •    Phase Shift (In to Out):  0 dB
    •    Crosstalk:  - 75 dB
    •    Headphone Impedance:  16 Ohms – 2000 Ohms
    •    Max Input Level:  +15 dBV
    •    Input Connectors:  Low:  RCA, 3.5mm stereo, High:  RCA
    •    Outputs:  1:  ¼” TRS Stereo jack, 1:  3.5 mm TRS stereo jack
    •    Power:  15 VDC – 700mA
    •    Tube:  12AX7

Product Specifications:

  • w6 x h2.5 x d5.4 in.
  • 3 lbs. pkg.  

The above information is from the manufacturer.
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Bellari HA540 Mk 2 Headphone Amplifier


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