SPEAKER CABINETS ..........................12 FANS AND AMPLIFIER TEMPERATURE ....................13 FREE EXTENDED WARRANTY OFFER ..................... 13 The contents of this owner’s manual may be subject to change without notice. The latest version is available for download on the official Orange Amplification website: http://www.orangeamps.com/support/downloads/...
OB-1K IMPORTANT SAFETY INSTRUCTIONS The lightning flash with arrowhead symbol, within an equilateral triangle, is intended to alert the user to the presence of un-insulated ‘dangerous voltage’ within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons. Terminals labelled as “Speaker Outputs”...
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OB-1K Do not use this apparatus near water. Clean only with dry cloth. Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.
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Unauthorised substitutions may result in fire, electric shock, or other hazards. This Orange Amplifier conforms to UL Standard 60065 for Audio, Video and Similar Electronic Apparatus - Safety Requirements; Certified to CAN/CSA-C22.2 No. 60065-03; IEC 60065 2001 + A1:2005 This product complies with the WEEE Directive (2002/96/EC) marking requirement.
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OB-1K This device complies with Part 15 of the FCC rules. Operation is subject to the following two conditions: 1) This device may not cause harmful interference. 2) This device must accept any interference received, that may cause undesired operation.
1 x 4 Ohm cabinet – Use one of the SpeakOn jack socket. 2 x 8 Ohm cabinets – Use both SpeakOn jack sockets. NOTE: Any speaker combination can be connected to the OB-1K providing that the total sum of the impedance is at least 4 Ohm.
OB-1K FRONT PANEL FEATURES (RIGHT TO LEFT) Input Jack Socket Plug your instrument into this jack socket. Gain Control This controls the level of gain the upper harmonics have. Blend Control This controls the amount of upper harmonics blended with the bass signal.
Out. SPEAKER CABINETS The OB-1K produces high levels of power. Please use a speaker cabinet(s) rated at 1300 Watts or higher. Using the OB-1K with a cabinet(s) rated under 1300 Watts may result in damage to the cabinet(s) and amplifier.
The OB-1K is a powerful amplifier. It must remain sufficiently ventilated at all times. During high volume playing the fans inside the OB-1K will start operate to cool the amplifier. The noise of the fans may be heard during operation.
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