Heritage Audio 73EQ Elite Mic Preamp DI EQ in 1RU Format
The Heritage Audio 73EQ Elite Mic Preamp DI EQ brings the legendary sound of the classic 73-style mic preamp and equalizer into a single, space-saving 1RU rackmount unit. Combining a fully discrete Class-A preamp with a versatile 3-band EQ and high-pass filter, the 73EQ Elite captures the timeless warmth, richness, and tonal flexibility that have defined countless iconic recordings.
Built with Carnhill input and output transformers and faithful to the original 1970s design, the 73EQ Elite delivers an unmistakably musical character, perfect for vocals, guitars, bass, drums, and more. The front-panel DI input ensures your instruments retain full dynamic range and vintage analog tone, while the EQ section offers precise yet musical tonal shaping, featuring selectable mid and high bands along with a smooth low-frequency boost/cut control.
Ideal for tracking, mixing, and overdubbing, the 73EQ Elite gives engineers and producers access to one of the most revered preamp and EQ combinations in audio history — now available in a modern, reliable, and affordable format built for today’s professional workflows.
Key Features:
- Classic 73-style mic preamp combined with a 3-band EQ and DI input
- Fully discrete Class-A design for true analog warmth and depth
- Carnhill input and output transformers for authentic British sound
- Front-panel DI input for direct instrument recording
- 3-band EQ with selectable frequencies for flexible tonal shaping
- High-pass filter with selectable cutoff frequencies
- +48V phantom power and phase reverse switches
- Output trim for gain staging and saturation control
- Hand-assembled with premium components for professional reliability
- Compact 1U 19″ rackmount chassis
- Perfect for vocals, acoustic and electric guitars, bass, drums, and keys
Technical Specifications:
- Mic Input: XLR balanced
- Line Input: XLR balanced
- DI Input: 1/4″ TS front-panel input
- Output: XLR balanced
- Gain Range: Up to 80 dB
- EQ Bands:
- Low: 35 Hz, 60 Hz, 110 Hz, 220 Hz (boost/cut)
- Mid: 360 Hz, 700 Hz, 1.6 kHz, 3.2 kHz, 4.8 kHz, 7.2 kHz (selectable)
- High: 10 kHz fixed boost/cut shelving
- High-Pass Filter: Selectable at 50 Hz, 80 Hz, 160 Hz, 300 Hz
- Phantom Power: +48V switchable
- Phase Reverse: Yes, switchable
- Frequency Response: 20 Hz – 20 kHz ±0.5 dB
- THD+N: <0.025% at 1 kHz
- Dimensions: 1U 19″ rackmount
- Weight: Approximately 5 kg
Experience the full sonic power of the world’s most celebrated preamp and EQ combination with the Heritage Audio 73EQ Elite Mic Preamp DI EQ — the perfect choice for bringing authentic analog warmth and precise tonal control to your studio productions.