Heritage Audio HA-73 Elite Microphone Preamplifier
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|---|---|---|
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Description
The Heritage Audio HA-73 Elite is a 1U 73-style microphone preamp with Carnhill transformers, 80 dB of Class A gain, a JFET DI, and a discrete high-pass filter. It is built in Spain to the same circuit targets as the 73JR II, in a rack chassis with an external power supply for lower noise.
Inputs and Controls
Dedicated mic, line, and instrument inputs sit behind transformer-balanced I/O. The front panel has gain, output trim, a 20 dB pad, polarity reverse, high-pass filter, and +48V phantom. The JFET DI is the same circuit used on the 73JR II.
Specifications
- Format: 1U rackmount, Elite Series
- Maximum gain: Greater than 80 dB
- Mic input: Transformer balanced, HI 1200 Ω / LO 300 Ω
- Line input: 10 kΩ, transformer balanced
- Maximum output: Greater than +26.5 dBu into 600 Ω
- EIN: Less than -125 dBu
- THD: Less than 0.025% at 1 kHz
- Frequency response: 20 Hz (+0.3 dB) to 20 kHz (-0.2 dB)
- Power: External PSU-04, less than 95 mA at 48 V DC
In the Box
- Heritage Audio HA-73 Elite
- PSU-04 external power supply
- IEC mains cable