To understand why the AlexB FTS PRO sounds special, you need to understand the engine it runs on. Nebula 3 isn't a standard algorithmic plugin. It's a sampler of audio circuitry, built on Acustica Audio's . Instead of an engineer programming a digital emulation of a circuit, Nebula captures a hardware unit's response to an infinite number of impulses. This allows it to reproduce not just frequency response (like a standard convolution reverb), but also the complex harmonics, dynamic saturation, and transient behavior of the original hardware. This is why Nebula is said to "sound analog," because it is effectively playing back the actual "sound" of the hardware.
This is the "mojo" button. Even with the EQ bypassed, running audio through the line input stage of FTS PRO changes the sound.
Because Nebula is CPU-intensive, many users prefer to render or freeze tracks after applying FTS PRO to maintain session stability.
: Models a hardware unit that mimics the characteristics of older tube, Class A discrete, and magnetic tape mediums. AlexB FTS PRO for Nebula 3
🥁 Makes bass and drums sit perfectly in the mix.
Using Nebula 3 libraries requires a slightly different approach than loading a standard VST plugin. Because Nebula handles massive amounts of sampled data, optimizing your workflow is essential.
: The original hardware sampled for this library was modified with top-grade audio components in the DC and audio paths to improve sound characteristics. High-Quality Sampling To understand why the AlexB FTS PRO sounds
The "AlexB FTS PRO for Nebula 3" library is a powerful tool, built on a foundation of high-quality sampling. Here are its key features:
The AlexB FTS PRO is highly versatile but excels on specific sources:
The magic of FTS PRO is cumulative. You might not hear a massive change on a single vocal, but once it is applied across 20+ tracks and the master bus, the difference in "vibe" and "analog air" becomes very apparent. Instead of an engineer programming a digital emulation
However, to get the best results, you must master one crucial concept: . Unlike typical plugins that sound similar regardless of input level, Nebula libraries, including AlexB's, are designed to respond dynamically to the signal level they receive. They are calibrated to a specific analog standard, meaning you need to feed them the right level to make them "react" as the original hardware would. For many AlexB libraries, this sweet spot is around -18dBFS (0 VU) . If you feed the FTS PRO too hot a signal, you might get harsh distortion; too low, and you won't get the desired saturation. Proper gain staging is the key to unlocking the authentic and musical response of the library.
To appreciate the FTS PRO library, you must understand the hardware it emulates. The library is based on the classic modules (such as the MK3 and MK5). These telecommunication and broadcast equalizers were built to the stringent standards of the German IRT (Institut für Rundfunktechnik). Key Characteristics of the Original Hardware
Most engineers forget this, but the FTS PRO HPF is legendary. It is a 12dB/octave filter at 45Hz, 70Hz, 160Hz, or 360Hz.