Heritage Audio HA73EQ Elite Series Single-Channel Microphone Preamp & EQ

Heritage Audio HA73EQ Elite Series Microphone Preamp & EQ Overview
The Heritage Audio HA73EQ Elite Series Microphone Preamp & EQ is a powerful, single-channel preamp designed to bring the legendary sound of vintage consoles into your studio. Based on the iconic 1073 circuit topology, this preamp/EQ module offers exceptional sonic performance with 80dB of mic gain, a three-band EQ section, and a host of other features that deliver that sought-after vintage vibe. Perfect for a wide range of applications—from tracking vocals to instrument recording—this preamp offers the versatility and warmth required by both professionals and enthusiasts. Whether you're working with condenser, dynamic, or ribbon microphones, the HA73EQ delivers vibrant, full-bodied sound with plenty of headroom.

Iconic Sound with Modern Design
The HA73EQ Elite is built around a fully discrete, 3-stage Class A microphone preamp that delivers up to 80dB of gain. Inspired by the vintage 1073 circuit, this preamp is designed to provide a rich, harmonic-filled sound with a punchy, natural character. It's the same sonic magic that made the original 1073 a staple in the best studios worldwide. The addition of a high-quality EQ section allows you to fine-tune your sound to perfection, with precise control over low, mid, and high frequencies. The beauty of this preamp lies in its simplicity: it delivers classic analog warmth with modern precision, making it a valuable tool for any recording session.

Carnhill Transformers for Rich Tone and Clarity
The HA73EQ Elite comes equipped with industry-standard Carnhill transformers, hand-wound in St. Ives, England. These custom transformers are known for their ability to add warmth, fullness, and clarity to any signal, whether it’s a mic input, line-level track, or DI instrument. The transformers provide the richness and authority that vintage consoles are famous for, enhancing your recordings with a subtle yet impactful harmonic distortion that gives life to vocals, guitars, drums, and more. With the HA73EQ Elite, you can achieve that analog tone that brings depth to your mixes without losing any detail.

Classic EQ Section with Extensive Tone-Shaping Options
The EQ section of the HA73EQ Elite is a true highlight, adhering to the classic 1073 circuit design, which has become the gold standard in analog EQ. It includes a three-band, fully discrete EQ with vintage-correct inductors. The high-frequency shelf is set at 12kHz, allowing for smooth, natural boosts or cuts to add shimmer and air. The mid-band features a selectable range of frequencies, giving you the flexibility to target the exact tonal area you need, whether it’s for vocals, guitars, or drums. The low-frequency shelf offers four selectable frequencies, making it easy to tailor your low end for different instruments or applications. Additionally, the highpass filter lets you trim unwanted low-end rumble, providing a cleaner signal path while maintaining focus and clarity in your recordings.

Versatile Input and Output Controls for Flexibility
The HA73EQ Elite includes separate input and output gain controls, giving you full control over the level and saturation of your signal. You can drive the input harder to achieve a more saturated, vintage sound while keeping the output clean and controlled to avoid clipping. The mic input also features a 20dB pad, which helps prevent overloading the transformer, ensuring that you get a clean signal even when working with high-output microphones or loud sound sources. The LOZ switch allows you to adjust the input impedance of the mic transformer from 1200 to 300 ohms, giving you additional flexibility in tailoring the sound for different microphones or recording scenarios.

Durable, Studio-Ready Construction
Built to withstand the demands of professional studios, the HA73EQ Elite features a rugged 19" 1RU chassis, designed for easy integration into any standard rack setup. The unit is powered by an external universal power supply, ensuring that it is suitable for use worldwide. Whether you're recording in a home studio or a high-end commercial facility, the HA73EQ Elite is built to provide years of reliable performance. Its durable construction, coupled with its exceptional sound quality and flexible features, makes it a valuable addition to any recording environment.