[PA-4506 M's-Tune | High-End Power Amplifier with Enhanced Clarity and Resolution]

Want to increase the amount of sonic information, and hear even the subtle expressions of vocals and instruments clearly? For those people, PA-4506 M's-Tune has been carefully reworked—based on the well-received PA-SERIES amplifier—with a meticulous focus on the sections that affect sound quality.

By strengthening the DC/DC converter, the power supply that forms the foundation of the amplifier has been refined to be more powerful and cleaner. In addition, the coupling capacitors and devices in the preamp stage, as well as the power-supply capacitors inside the output-stage AB-class push-pull circuit, have also been upgraded.

As a result, the changes you’re likely to notice first are the transparency and resolution in the mid to high frequencies. Vocal contours and the spatial relationships of instruments become easier to perceive, and even with songs you already listen to all the time, your ears will start to pick up sounds you hadn’t noticed before.

For the low end, the goal is not simply more quantity, but better tightness and a cleaner attack. With the start and stop of the sound becoming more controlled and well-aligned, the bass won’t balloon on its own, and the overall cohesion improves. With improvements in distortion and signal-to-noise (S/N), the finished sound is easy to enjoy not only at higher volume levels, but also at your usual lower everyday volumes.

The Meaning of Choosing M's-Tune

An amplifier doesn’t change sound in exactly the same way just by swapping it. The way its strengths show depends on the combination with your speakers, subwoofers, and head unit, the environment inside the vehicle, and your current adjustment settings.

At LOGON, we don’t just look at the PA-4506 M's-Tune’s performance—we guide you by confirming what you want to improve in your current system. Are you aiming to prioritize sonic transparency? Do you want to refine the contour of the low end? Or do you want a sound that’s less fatiguing even during long listening sessions? Because depending on your objective, the way you make use of the amplifier will also differ.

If you’re already using a PA-4506, you can also switch to the M's-Tune specification by paying the difference. If you want to add another layer of texture to your current sound, let’s consider it together while checking compatibility with your entire system.

Because the M's-Tune model is finished carefully by hand and aged one unit at a time, it requires a different lead time than the standard model. We will provide details after confirming your current system and your preferences.

Main Specifications / Specs

[Basic Information]
Product name: PA-4506 M's-Tune
Type: Power amplifier
Series: PA-SERIES M's-Tuning model

[Circuit / Tuning Details]
・Strengthened DC/DC converter
・Upgraded coupling capacitors in the preamp stage
・Upgraded devices in the preamp stage
・Upgraded power-supply capacitors in the output-stage AB-class push-pull circuit
・Hand-installed and aged one unit at a time