LSI: Phantom Flickers (November 1986)
[265kb PDF]
From Lighting & Sound International

LSI: Phantom of the Opera at 21 (October 2007)
[2.63Mb PDF]
From Lighting & Sound International

LSI Classic Gear - Tannoy Dual Concentric Drivers (January 2015)
[7.83Mb PDF]
From Lighting & Sound International

Phantom Sounds (October 2019)
[External Website]
From Lighting & Sound International

Unusual prepares Her Majestys Theatre for Phantom return (June 2021)
[External Website]