THX Ultra 2Plus and Select 2Plus, what is it?

THX was conceived by George Lucas whom on the release of the Star Wars trilogy found himself disappointed with the reproduction in ageing cinema around the world. George pondered the question of why spend so much time on audio visual production of a film, if there was no means for people to see or hear the film as the director intended.

George called on audio scientist Tomlinson Holman to examine film audio from mastering to playback, Holman was given one year to design a set of specifications for Skywalker Ranch’s state of the art production facilities. During this time Holman discovered that most commercial cinemas in operation were in dire need of upgrading, with most not having any technological update since the early 1940’s.

On the completion of Skywalker sound and the Stag Theatre, Lucas started to receive many inquiries about incorporating this new benchmark standard into their ageing commercial theatres, thus THX was born.

More than just a random assortment of letters all THX products must reach a certain performance level in order to gain certification.

What does this mean to you?

1. Experience Studio Clarity: THX Certified Receivers reproduce studio Reference Level, 85dB SPL with 20dB of headroom.
2. Reference Level for your Room: THX Ultra2 Plus and THX Select2 Plus certification categories deliver Reference Level performance in your specific room size.
3. Distortion-free Playback: THX Certified Receivers and speakers are designed to recreate Reference Level with minimal distortion.
4. Effortless performance: THX performs more than 2,000 Bench Tests, to ensure that your receiver plays effortlessly with plenty of power and low distortion in your home theater.
5. Loudness Control: THX Loudness Plus lets you catch every detail of a surround sound mix when the volume is lowered.