Heritage Audio DMA-73
73-style dual mic preamp
Preamp$1,899Manufacturer list price
Specifications
- Type
- Preamp
- Description
- 73-style dual mic preamp
- Topology
- 3-stage, all Class-A, fully discrete, hand-wired, custom Carnhill transformers (St Ives output, Oxford input)
- Signal path
- Analog
- Channels
- 2
- Channel format
- dual mono / stereo
- Form factor
- rackmount
- Rack units
- 1U
- Powered
- external PSU
- Frequency response
- 20Hz (+0.3dB) to 20kHz (-0.2dB)
- Introduced
- 2012
- Country of manufacture
- Spain
Details
Controls: Gain (multi-position input transformer taps), output gain, impedance selectors, mic/line/DI mode switching
I/O: XLR mic in, XLR line in, DI in (unbalanced), XLR out — all transformer balanced except DI
Notes: Price varies significantly by retailer/condition ($1,299-$2,399 new observed); $1,899 used as a commonly cited 'starting at' new price — flagged as approximate.