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Rolls Bellari HA540 MK2 Class-A Tube-Powered Stereo Headphone Amplifier

SKU: ROHA540MK2 MFR: HA540 MK2
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Key Features

  • Experience pristine audio with this Class-A tube headphone amplifier, offering unmatched sound quality.
  • Drive your headphones effortlessly; this amp supports 8 to 2000 Ohms impedance for versatile use.
  • Enjoy low distortion and a high SNR of 85 dB, ensuring clear and detailed audio amplification.
  • Perfect for home studios, offering RCA and TRS inputs for seamless integration with your audio setup.
  • The 12AX7 tube provides warm, classic sound; enhance your listening with this tube amplifier.
  • Compact and durable, this Rolls headphone amp delivers 332mW per side, great for critical listening.
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Rolls HA540 MK2 Specifications

General

General

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  • Number of Headphone Channels

    Single Channel

  • Recommended Headphone Impedance

    8 to 2000 Ohms

  • Headphone Output Power

    332 mW per Side into 30 Ohms (Max)

  • Analog Circuitry

    Tube: 1x 12AX7/ECC83

Connectivity

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  • Analog Audio I/O

    1/4" TRS Stereo Output
    1/8" (3.5mm) TRS Stereo Output
    2x Stereo RCA Input
    1x 1/8" (3.5mm) TRS Stereo Input

Performance

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  • Frequency Response

    6 Hz to 51 kHz +/-3 dB

  • Gain/Trim Range

    Outputs: 19.6 dB

  • Impedance

    Inputs: 47 Kilohms

  • THD

    0.04% (20 Hz to 20 kHz)

  • SNR

    85 dB (Unweighted)

  • Crosstalk

    -75 dB

  • DC Input Power

    15 VDC at 500mA

Physical

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  • Dimensions

    6 x 5.4 x 2.5" (152.4 x 137.2 x 63.5mm)

  • Weight

    2 lbs (900g)

  • UPC Code

    675889054002

About Rolls HA540 MK2

If you're seeking an unparalleled audio experience, look no further than the Bellari HA540 MK2 Class-A Tube-Powered Stereo Headphone Amplifier. This exceptional headphone amplifier, powered by a 12AX7 tube, delivers a rich, lush sound that is sure to captivate any audiophile. Operating at 150 regulated volts to the tube plates, the HA540 MK2 offers an abundance of gain, making it uniquely equipped to drive headphones with impedance ratings ranging from 8 to 2000 Ohms.

Designed with versatility in mind, the HA540 MK2 features two separate inputs, enabling it to work seamlessly with a variety of source components. Whether you're connecting it to a CD player, computer, phone, or DAC, this amplifier ensures superior clarity and precision in sound reproduction. Its zero-feedback design guarantees a smooth, natural analog response, enhancing your music listening experience.

The HA540 MK2 is more than just a headphone amplifier; it's a testament to the power of quality craftsmanship. Hand-built in Salt Lake City, Utah, by seasoned industry professionals, this amplifier embodies the essence of honesty and integrity in audio equipment manufacturing. Despite the fluctuating market, where headphone amplifier prices can range from $99 to $7000, the HA540 MK2 stands out as a true audio bargain, offering exceptional build and sound quality.

One of the standout features of the HA540 MK2 is its ability to minimize ear fatigue, a common issue with many headphone amplifiers. This feature, coupled with its robust audio quality that exudes a sense of genuine power, makes the HA540 MK2 a must-have for any serious audio enthusiast. Experience the difference with the Bellari HA540 MK2 Class-A Tube-Powered Stereo Headphone Amplifier.

Rolls HA540 MK2 Features

  • Input Impedance: 47k ohms
  • Output Headphone impedance : 8 Ohms to 2000 Ohms
  • Max Output Gain: 19.6 dB
  • THD: .04% @ 20 Hz-20K Hz, at 1V RMS
  • S/N Ratio: >80 dB unweighted
  • Max Output Power: 332 mW/side, 664 mW/Stereo (@ 30 Ohms)
  • Frequency Response: 6 Hz - 51 kHz /- 3 dB
  • Phase Shift (In to Out): 0 db
  • Crosstalk: - 75

Product Documents

User Manual

Key Features

  • Experience pristine audio with this Class-A tube headphone amplifier, offering unmatched sound quality.
  • Drive your headphones effortlessly; this amp supports 8 to 2000 Ohms impedance for versatile use.
  • Enjoy low distortion and a high SNR of 85 dB, ensuring clear and detailed audio amplification.
  • Perfect for home studios, offering RCA and TRS inputs for seamless integration with your audio setup.
  • The 12AX7 tube provides warm, classic sound; enhance your listening with this tube amplifier.
  • Compact and durable, this Rolls headphone amp delivers 332mW per side, great for critical listening.

What's in the box:

  • Rolls Bellari HA540 MK2 Class-A Tube-Powered Stereo Headphone Amplifier
  • PS27s 15V Power Supply
  • Rolls 1 Year Limited Warranty