Heritage Audio Elite Series HA-73X2 Dual-Channel 1RU Full Rack Microphone Preamplifier

SKU: HAHA73X2 MFR: HA73X2
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Key Features

  • Capture pristine audio with this dual-channel microphone preamplifier for studio excellence.
  • Achieve ultra-low noise recordings with this preamp, ensuring clean and professional sound.
  • Experience versatile sound shaping with >80dB gain range, perfect for any microphone.
  • Selectable +48V phantom power accommodates condenser mics for detailed studio recordings.
  • Multiple input impedance options tailor the preamp to your mics for optimal performance.
  • Integrate seamlessly with XLR connectivity, enhancing your studio's audio signal flow.
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Heritage Audio HA-73X2 Specifications

  • Number of Channels

    2

  • Inputs

    2x XLR 3-pin female microphone inputs
    2x XLR 3-pin female line inputs
    2x 1/4" TS Hi-Z inputs

  • Output

    2x XLR 3-pin male outputs

  • Phantom Power

    +48V (selectable)

  • Gain Range

    >80dB

  • Maximum Output Level

    > +26dB into 600Ohms (internally terminated)

  • Frequency Response

    20Hz (+0.3dB) to 20kHz (-0.2dB)

  • Input Impedance

    Microphone Hi: 1200Ohms minimum
    Microphone Lo: 300Ohms minimum
    Line: 10kOhms bridging

  • Output Impedance

    <75Ohms to drive a load of 600Ohms

  • THD

    <0.025% at 1kHz
    <0.05% at 100Hz

  • Equivalent Input Noise

    < -125dBu

  • Output Noise

    < -100dBu

  • Power Requirement

    HA-PSU04 external power supply

  • Power Consumption

    <260mA at 48VDC

  • Housing Material

    Steel

  • Dimensions (WxDxH)

    17.1 x 7.2 x 1.2" (43.43 x 18.29 x 3.05cm)

  • Weight

    7 lbs (3.18kg)

  • UPC Code

    750536937126

About Heritage Audio HA-73X2

Enhance your recording and live performance capabilities with the Heritage Audio Elite Series HA-73X2 Dual-Channel 1RU Full Rack Microphone Preamplifier. This professional-grade preamplifier is engineered to the exacting standards of Heritage Audio's esteemed 73JR and DMA73 models, offering unparalleled audio quality at an exceptional value. The HA-73X2 is the perfect embodiment of two HA73 Elite channels in one unit, providing a high-quality, affordable alternative to the burgeoning entry-level market.

Crafted with the meticulous attention to detail that Heritage Audio is renowned for, the HA-73X2 maintains key vintage components such as the industry-standard Carnhill transformers, meticulously hand wound in St Ives, England. These transformers are pivotal in achieving the authentic vintage sound that has been cherished by audio professionals for generations.

The HA-73X2 Elite is manufactured in Heritage Audio's Spanish facilities, ensuring consistency and quality across the entire product line. This rack-mountable preamp captures the essence of the classic recording preamp, known for its rich, musical qualities and its ability to enhance the sound of virtually any source. It also boasts the same exceptional JFET DI circuit found in the 73JR, along with a fully discrete class A high pass filter.

With an impressive 80 dB of available gain, the HA-73X2 Elite is equipped to handle a diverse range of microphones and instruments, infusing them with vintage warmth and thickness. The unit features dedicated mic, line, and instrument inputs, along with essential controls such as gain, output trim, a -20dB pad, polarity reverse, a high pass filter, and +48V phantom power for condenser microphones.

Housed in a durable 1RU British steel chassis, the HA-73X2 Elite is built to withstand the rigors of studio and live environments. It operates with an external power supply to ensure low noise performance, crucial for capturing the purest audio signals.

The HA-73X2 Elite is fitted with Carnhill input and output transformers, high-quality pots, and switches, and is proudly 100% made by Heritage Audio. This dual-channel microphone preamplifier is a testament to Heritage Audio's commitment to delivering reliable, versatile, and high-quality audio equipment that stands the test of time. Whether you're recording in the studio or amplifying live sound, the HA-73X2 Elite is designed to elevate your audio experience with its unmistakable vintage character.

Heritage Audio HA-73X2 Features

  • 80dB Class A Microphone preamplifier, HI-LO selectable minimum input impedance, balanced and floating. High gain positions show a higher impedance, ideal for old ribbon mics
  • 10dB Class A Line Amplifier, Bridging input impedance, balanced and floating
  • Class A, single ended, 2N3055 driven high headroom output stage
  • High Frequency: +/-16dB shelving at 12 kHz, Baxandall type
  • Low Frequency: +/-16dB with selectable frequency shelving of 35Hz, 60Hz, 110Hz & 220Hz ,Baxandall type
  • Mid Frequency: +/-18dB peaking, fixed 'Q' , selectable center frequencies of 0.36kHz, 0.7kHz, 1.6kHz, 3.2kHz, 4.8kHz and 7.2kHz , dual inductor based
  • High Pass Filter: 18dB per octave slope, switchable between 50Hz, 80Hz, 160 Hz & 300Hz, inductor based
  • EQ Button: Switches the equalizer on or off
  • Phase Button: Flips phase 180 deg.

Product Documents

User Manual

Key Features

  • Capture pristine audio with this dual-channel microphone preamplifier for studio excellence.
  • Achieve ultra-low noise recordings with this preamp, ensuring clean and professional sound.
  • Experience versatile sound shaping with >80dB gain range, perfect for any microphone.
  • Selectable +48V phantom power accommodates condenser mics for detailed studio recordings.
  • Multiple input impedance options tailor the preamp to your mics for optimal performance.
  • Integrate seamlessly with XLR connectivity, enhancing your studio's audio signal flow.

What's in the box:

  • Heritage Audio Elite Series HA-73X2 Dual-Channel 1RU Full Rack Microphone Preamplifier
  • External Power Supply
  • Heritage Audio 1 Year Limited Warranty