Heritage Audio 6673 Mic Pre 4-Band EQ
The Heritage Audio 6673 Mic Pre 4-Band EQ brings together the best of vintage British design, combining the legendary sound of a 73-style microphone preamp with the enhanced tonal flexibility of an 81-style 4-band equalizer. Perfect for recording engineers, producers, and studios seeking rich analog warmth and powerful sound-shaping capabilities, the 6673 delivers the iconic Class-A sound with expanded control.
Built with fully discrete Class-A circuitry and Carnhill transformers for both the input and output stages, the 6673 offers up to 80 dB of gain, preserving the musicality and depth that classic consoles are known for. The expanded 4-band EQ section features selectable high and low shelving bands, two fully sweepable mid bands with adjustable Q, and a selectable high-pass filter, providing unrivaled precision for sculpting your sound.
Handcrafted to the highest standards and designed for integration into Heritage Audio’s 80 Series frames or compatible vintage racks, the 6673 is the perfect choice for critical tracking, mixing, and mastering applications where analog character and control are essential.
Key Features:
- Classic 73-style Class-A mic preamp with 81-style 4-band EQ
- Fully discrete design with Carnhill input and output transformers
- Three-gain stage preamp with independent output trim
- 4-band equalizer:
- High-frequency shelving boost/cut
- Low-frequency shelving boost/cut
- Two sweepable mid bands with adjustable Q
- Selectable high-pass filter
- Front-panel DI input for direct instrument recording
- +48V phantom power and phase reverse switches
- Hand-built with premium components for maximum reliability
- Compatible with Heritage Audio 80 Series and vintage console frames
- Ideal for recording vocals, guitars, drums, bass, and mastering applications
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
- Equalizer Section:
- High Band: 10 kHz shelving
- Low Band: 35, 60, 110, 220 Hz shelving
- Mid Bands: Fully sweepable with adjustable bandwidth
- High-Pass Filter: 50 Hz, 80 Hz, 160 Hz, 300 Hz
- Frequency Response: 20 Hz – 20 kHz ±0.5 dB
- THD+N: <0.025% at +4 dBu
- Power Supply: Requires compatible 80 Series rack or chassis
- Weight: Approximately 1.5 kg
Elevate your recordings with the unmistakable tone of vintage British preamps and modern EQ flexibility with the Heritage Audio 6673 Mic Pre 4-Band EQ — the perfect blend of analog warmth and precise tonal control for today’s demanding studio environments.