To maintain this level of excellence, each Orange amplifier is put through many rigorous test procedures before leaving the factory. The warmth, tonal quality and rich harmonics generated by a valve amplifier cannot be reproduced by ‘artificial’...
IMPORTANT SAFETY INFORMATION ....................... 5 EMI ................................7 BEFORE USING YOUR AMPLIFIER ......................7 FRONT PANEL FEATURES ........................8 REAR PANEL FEATURES ......................... 10 VALVES AND FUSES CAN FAIL AT ANY TIME! ..................11 FREE EXTENDED WARRANTY OFFER ..................... 11 OR50 OWNERS MANUAL...
• Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades, one wider than the other. A grounding type plug has two blades and a third grounding prong. The wide blade or the OR50 OWNERS MANUAL...
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This Class I electrical equipment must be earthed. The correct mains fuse value for your region are displayed on the unit, close to the AC Mains Input. Replace only with the same type and value. If the mains fuse repeatedly blows, contact your Orange dealer. OR50...
2 minutes. This places the amp in STBY mode (Startup Tension Bypass, historically known as ‘standby mode). This allows the valves to reach the correct temperature. After 2 minutes, switch to the PLAY position. OR50 OWNERS MANUAL...
Plug a latching footswitch into this jack socket to remotely switch/remove the Volume Control from the circuit. This has the effect of running the amp ‘wide open’. This can be used as a volume boost as the volume control is bypassed. OR50 OWNERS MANUAL...
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Volume Control The volume control adjusts the output volume. This control can be completely defeated via a latching footswitch. High levels of volume will heavily overdrive the output stage. OR50 OWNERS MANUAL...
These fuses will both blow simultaneously if either of the power amp/output stage valves fail. This helps to protect the amp’s circuitry. Have a qualified service technician set the bias of the amplifier when changing faulty valves. OR50 OWNERS MANUAL...
Orange amplifiers are under warranty for one year subject to consumer protection laws in the country of purchase and distributor’s terms and conditions, an additional year can be added by registering. Valves and speakers supplied with an Orange amp or purchased separately at our online store are covered for 90 days from the date of purchase.
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