Lindell Audio RE-51

Lindell Audio RE-51: The Power of Vintage Inductor-EQ

In the search for a unique sound, many producers are harking back to techniques from the early years of audio engineering. The Lindell Audio RE-51 was inspired by a rare and highly regarded equalizer from 1951. Unlike modern parametric EQs, which often sound technical and sterile, the RE-51 uses inductors (coils) to shape frequencies. This provides a saturation and phase response that is inherently musical. Whether you want to freshen up a dull recording or give a thin bass guitar more authority; the RE-51 does it with a smoothness that only true analog hardware can provide.

Most important features

• Classic 1951-Design: Based on the legendary passive EQ architecture for an authentic vintage experience.

• Inductor-Based Circuit: Uses real coils for rich, harmonic tone control that “lives”.

• Transformer Balanced: Features high-quality transformers on the input and output for extra punch and analog coloration.

• Three Strategic Bands: Carefully chosen frequencies essential for shaping vocals, guitars and drums.

• Stepped Controls: High-quality step switches for precise settings and easy “recall” during later sessions.

• Discrete Op-Amp: A completely discrete signal path for superior audio quality and maximum headroom.

• Hardware Bypass: Compare your processed sound directly to the original without any signal interference.

Why choose the Lindell Audio RE-51?

Choosing the Lindell Audio RE-51 is a choice for a specific sonic signature. For the professional engineer, this is the EQ you choose when you want to add character. The way the RE-51 handles the midrange is second to none; it adds presence without ever becoming aggressive or “boxy.”

At i4studio, we recommend the RE-51 to producers who already have standard EQs and are looking for an instrument with a face of its own. In a hybrid setup, this is the perfect module to give a digital track that final layer of analog credibility. It pays homage to the golden age of audio, translated to modern 500-series convenience.

Technical specifications

Frequently asked questions (FAQ)

1. What is the advantage of an inductor EQ like the RE-51? Inductors (coils) have a unique way of saturating when loaded. This adds a subtle harmonic distortion that we often describe as “warm” or “musical,” something difficult to simulate with capacitors or digital algorithms.

2. Is the RE-51 suitable for recording or only for mixing? Both. During recording, you can use the RE-51 to instantly capture a characterful tone. During mixing, it is an excellent tool for giving instruments their proper place in the frequency spectrum.

3. How does the RE-51 compare to the PEX-500 (Pultec style)? Whereas the PEX-500 excels at “shaping” the extreme low and highs, the RE-51 is more focused on the midrange and overall texture of the sound. They complement each other excellently in a rack.

4. Can I use this module in a Lindell 506 Power rack? Yes, the RE-51 is fully VPR-compliant and fits into any standard 500-series chassis.

5. Are the knobs on the RE-51 stepped? Yes, the RE-51 uses high-quality switches. This not only makes it easier to find the exact same setting, but also provides better stereo matching if you are using two units on a bus.