The rich, thick 73 preamp sound for vocals and instruments, in a simple 1U rack unit. The Heritage Audio HA73 Elite is a mono microphone preamp built to the same specifications as Heritage Audio’s 73 JR II and DMA 73. Modern production methods are used, while key vintage parts are kept, like Carnhill transformers hand-wound in St Ives, England.
Why customers choose it
Who it is for
Home and project studios, singers, guitarists and bass players, podcasters and engineers who want a real 73-style preamp for vocals, guitars, bass, drums and more.
What’s in the box
- 1 x Heritage Audio HA-73 Elite
- AC power cord (EU & US)
- 1 x Power supply HA-PSU04
Specifications
| Channels | 1 |
|---|---|
| Format | 1U rack |
| Mic input impedance | HI 1200 ohm / LO 300 ohm minimum; transformer balanced and floating |
| Line input impedance | 10 kohm bridging, transformer balanced and floating |
| Output impedance | Less than 75 ohm, transformer balanced and floating (600 ohm load) |
| Maximum output | Greater than +26.5 dBu into 600 ohm |
| 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 80 dB |
| Equivalent input noise | Less than -125 dBu |
| Output stage noise | Less than -100 dBu |
| Power consumption | Less than 95 mA at 48 V DC |
| Power | External power supply |
| Type | Microphone preamp |
| Pad | -20 dB |
| Transformers | Carnhill input and output |
Good to know
- Want the classic 73 EQ as well? See the Heritage Audio HA73EQ Elite.
- For two channels in one box, see the HA73X2 Elite.
- Higher gain positions raise the input impedance – good for low-output ribbon mics.
FAQ
Can I record guitar or bass directly?
Yes. It has a dedicated instrument (DI) input.
Does it power condenser mics?
Yes. It has +48 V phantom power.
Talk to Suhavi
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