A standby switch replaced the output socket on the rear. The modifications suggested by Gallagher formed the basis of the OTR amplifier (Oscillatory Transition Return). In 1998, the AD Series was launched. Initially consisting of the AD30 head without reverb, the AD30R, a 2×12 combo with reverb, and the AD15 combo, which was available with 10" or 12" speakers. The range received critical and commercial acclaim and attracted major artists such as former Led Zeppelin guitarist Jimmy Page and ex-Fleetwood Mac guitarist Jeremy Spencer. In 1999, The AD15 won the Editor's Pick Award from the US Guitar Player magazine – Orange being the first British company in that category to do so. The award saw global interest not only in the AD15 but in Orange as a brand and was a major factor in re-establishing the company. 2000s The millennium era has seen unprecedented diversification of the Orange product range, from clothing to personal computers. Some notable events during this period include: 2001 Orange opens USA offices in Atlanta, Georgia. 2006 The Tiny Terror is launched. 2008 40th anniversary year – Orange produce 40 hand made Custom Shop amps each with a girl's name. 2009 Orange move into new headquarters in Borehamwood, Hertfordshire. 2010 Cliff Cooper's son Charlie designs and launches the OPC (Orange Personal Computer) aimed at the musician/home studio market. Orange open a custom designed factory in China. 2018 50th anniversary of the founding of the company. Legacy Companies Orange Studios Before Orange Amps, there was Orange Studios. Cliff Cooper built the studio with his friend Brian Hatt over the course of the summer, hand-cutting, stripping, and soldering every wire. "Our basement studio had a great vibe," Cooper recounts, "It was very large and, as nobody lived or worked on either side, volume wasn't an issue. Most bands preferred to come in for night sessions." Orange Hire Orange Hire was created to provide the PA and backline for larger venues and outdoor summer festivals such as Reading and the Isle of Wight. A fleet of Mercedes 405D vans were converted into state-of-the-art hire vehicles all were radio equipped and had full amp repair facilities fitted. In 1972, Orange Hire was awarded the contract to provide PA equipment for music at the Olympic Games in Munich. Orange Management Orange Management was formed in 1969 signing up artists such as John Miles, Smokie, Nigel Benjamin (ex Mott The Hoople) and