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Heritage Audio 1073/500

3-slot 500 series 80 dB Class A mic preamplifier featuring custom polystyrene and polypropylene film tone capacitors
MFR# HA1073/500ANN
Heritage Audio 1073/500
Heritage Audio 1073/500 Heritage Audio 1073/500
or $62/month for 36 months 0% interest for 36 months**. 36 equal monthly payments required. Learn more
Special Order
Note: This item may not be returnable or could require a restocking fee. Contact one of our Audio Consultants for more details. Due to the special nature of this item, we order each unit fresh from the factory, exclusively for you! Lead times may vary so please chat, call or email for up-to-date inventory status.

Introduced in late 2011, the Heritage Audio 1073/500 set the standard for full 1073s in 500 Series format. With its impressive 3 slot wide chassis, it is essentially a reformatted 80 Series HA1073, employing the same cards and components in the same modular construction technique.

Completely hand-wired and built like a tank, the HA1073/500 will bring the same quality and prestige to your studio as its 80 Series brother. As of 2013, it includes an output level control.


  • Microphone input impedance: HI, 1200 Ohm minimum, LO, 300 Ohm minimum, higher gain positions gradually have greater impedances, optimum for low gain ribbon mics, input is transformer balanced and floating
  • Line input impedance: 10 kOhms bridging, transformer balanced and floating
  • Output impedance: Less than 75 Ohms, transformer balanced and floating, to drive a load of 600 Ohms
  • Maximum output: Greater than +26 dBu into 600 Ohms
  • THD: Less than 0.025% at 1 kHz, less than 0.05% at 100 Hz
  • Frequency response: 20 Hz (+0.3 dB) to 20 khz (-0.2 dB)
  • Maximum Gain: Slightly greater than 70 dB
  • Noise: Less than -100 dBu
  • Power consumption: Less than 80 mA per rail @±16 VDC

Additional Information

Condition New
Channels Single-Channel
Chassis Module
Module Type 500 Series
Module Slot Count 3 Slots
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