Heritage Audio HA73EQX2 Dual-Channel Mic Preamp with EQ

Heritage Audio HA73EQX2 Dual-Channel Mic Preamp with EQ

Heritage Audio HA73EQX2 Dual-Channel Mic Preamp with EQ

B&H # HEHA73EQX2 MFR # HA73EQX2
Heritage Audio HA73EQX2 Dual-Channel Mic Preamp with EQ

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Product Highlights

  • Preamp in the Style of Vintage '73
  • Warm, Creamy Tone Evocative of the 1970s
  • Dual-Channel with '73-Style EQ
  • Mic, DI & Line Inputs
  • Output Gain Attenuator
  • Low Shelf, Midrange Bell & High-Shelf EQ
  • High-Pass Filtering
  • Switchable Input Impedance
  • 2 x XLR Inputs & 2 x 1/4" Inputs
  • 48V, Polarity Switch, 20dB Pad
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This item is noncancelable and nonreturnable.

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$1,450.00
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Heritage Audio HA73EQX2 overview

  • 1Description

The Heritage Audio HA73EQX2 is a hand-wired, dual-channel mic preamp in the style of a classic '73 unit. It provides that warm, creamy tone associated with the vintage British sound of the 1970s. 

Two inputs are on hand for microphones (via XLR connections) and instruments (by means of the front panel 1/4" DI inputs). You can also switch the preamp into line level mode, which is a nice touch for mixing engineers who work primarily—though not entirely—in the box. With this unit, such engineers can lend analog color and EQ to their entire mixes, or to certain select buses. 

Part of the original '73's appeal was the EQ section, and the Heritage Audio recreation provides this hand-wired EQ within the HA73EQX2. The EQ offers low-shelving, high-pass filtering, a mid-band EQ, and a fixed 12 kHz high shelf. As for the mic section, you're given all the options commensurate with a high-quality preamp: Phase-reversal, phantom power, a 20 dB pad, impedance switching, and stepped attenuators on the gain stage. 

The unit is rackmountable, taking up 2 RU of rack space.

Key Features and Controls at a Glance
  • 2 x high-impedance DI inputs on front panel
  • 2 x 20 dB mic pad buttons, ahead of input transformer
  • 2 x 48V phantom power buttons
  • 2 x line push buttons switch unit into line mode which makes it suitable as a mix insert for color
  • 2 x mic input-impedance switches for 1200-/300-Ohm operation
  • 2 x input gain switches, ranging from 30 to 80 dB in 5 dB steps
  • 2 x output attenuators, ranging from -infinity to 0 dB
  • 2 x polarity inverse buttons
  • 2 x EQ bypass switches
  • High shelf fixed at 12 kHz
  • Bass shelf switchable among 35, 60, 110, and 220 Hz
  • Mid peak band switchable among 360, 700, 1600, 3200, 4800, and 7200 Hz (0.36, 0.7, 1.6, 3.2, 4.8, 7.2 kHz)
  • High-pass filter switchable among 50, 80, 160, and 300 Hz
UPC: 750536937157
In the Box
Heritage Audio HA73EQX2 Dual-Channel Mic Preamp with EQ
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description

    Heritage Audio HA73EQX2 specs

    Input Impedance Mic High: 1200 Ohms, minimum
    Mic Low: 300 Ohms, minimum
    Line Input: 10 kOhms bridging, transformer balanced and floating
    Output Impedance < 75 Ohms, transformer balanced and floating, driving a load of 600 Ohms
    Maximum Gain > 80 dB
    Maximum Output > 26.5 dBu into 600 Ohms (internally terminated)
    THD < 0.025% at 1 kHz
    < 0.05% at 100 Hz
    Frequency Response 20 Hz to 20 kHz (+0.3/-0.2 dB)
    EIN < -125 dBu
    Noise Output Stage: < 100 dBu
    Power Consumption < 190 mA at 48 VDC
    Rack Units 2 RU
    Dimensions Not specified by manufacturer
    Weight Not specified by manufacturer

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