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Free Shipping Api 550b Equalizer (4-band 500 Series Module) For Home [KDOnUJ5y]

$49.99 $159.99 -69%

API 550b Equalizer: A Classic Reimagined The API 550b Equalizer is a testament to the enduring legacy of API's iconic 550 design, originally crafted in the late '60s. This 4-band 500 Series Module has been meticulously crafted to continue the traditi

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Free Shipping Api 550b Equalizer (4-band 500 Series Module) For Home [KDOnUJ5y]

API 550b Equalizer: A Classic Reimagined

The API 550b Equalizer is a testament to the enduring legacy of API's iconic 550 design, originally crafted in the late '60s. This 4-band 500 Series Module has been meticulously crafted to continue the tradition of the 550, which has played a pivotal role in shaping the sound of countless hit records. The 550b builds upon this heritage by adding an additional filter band and a selection of new frequencies, all while maintaining the signature API sound that engineers around the world have come to rely on. Experience the perfect blend of past and present with the 550b, a tool that is as invaluable as it is unique.

Features and Specifications

The API 550b is designed with the user in mind, offering a precise and intuitive interface. Each of its four EQ bands provides seven switchable filter frequencies, covering a range of four to five octaves. These frequencies have been carefully chosen by a panel of esteemed engineers to ensure they are both musical and effective. The "Proportional Q" feature, an innovation from the '60s, allows for intuitive control over filter bandwidth, minimizing phase-shift and providing a more natural sound. With 12 dB of boost/cut per band and the ability to switch between shelf and peak for bands 1 and 4, the 550b is a versatile tool for any audio professional. Here are some of its key features:
  • Four bands of our famous sounding equalization
  • Each band offers seven API selected frequency centers
The 550b is also built with the highest quality components, including the legendary API 2520 Op Amp, ensuring a warm and predictable analog performance that stands up to the demands of professional recording environments.

Practical Applications and Headroom

The API 550b is not just a tool for recording; it is an essential part of the mixing and mastering process. Its extraordinary headroom, made possible by the 2520 Op Amp, allows for major tonal restructuring without sacrificing the analog warmth and clarity that API is known for. With a wide range of tonal variations and the ability to "undo" adjustments with precision, the 550b is a flexible and powerful tool for any audio engineer. Whether you are working on a hit record or fine-tuning a mix, the 550b is a professional audio tool that will enhance your sonic capabilities and help you achieve your creative vision.

What Our Customers Say

January 24, 2026

Absolutely no complaints!

A very solid and extremely useful item.

- Julius W..

January 24, 2026

Absolutely no complaints!

I'm happy with this. Thank you.

- Mamie Y..

January 24, 2026

Absolutely no complaints!

Top quality and it works perfectly.

- Forrest P..

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