VOX AC50/100CP Owner's manual - The VOX Showroom

20. OUTPUT VALVE BIAS CONNECTION COVERThis plate covers the 2 potentiometers and test measuring points for setting the operational biasof the output valves. This should be done by qualified personnel only!21. HT FUSEThe HT fuse protects the high voltage secondary circuit that supplies the valve circuits, particularlythe output valves. This fuse will typically blow in the case of an output valve failure, but canalso blow in the event of any other secondary circuit failure.WARNING! IF THE FUSE SHOULD FAIL REPLACE IT ONLY WITH THE CORRECT TYPE AND RATINGOF FUSE. Do not use any other value or serious damage could occur.22. MAINS POWER INPUT and FUSEThe incoming mains power lead is connected to this inlet. Please use the supplied mains lead, orone of at least the same ratings (if in doubt check with your dealer). Before connecting the mainspower please check that it is compatible with your amplifier, by checking that it matches the ratingplate on the amplifier back panel.The fuse that is in the mains inlet is there to protect you, your amplifier, and the mains circuit thatyou are connected to. If the fuse blows it is usually for a good reason, especially if it blows againafter you replace it.WARNING! IF THE FUSE SHOULD FAIL REPLACE IT ONLY WITH THE CORRECT TYPE AND RATINGOF FUSE. Do not use any other value or serious damage could occur.Please note! Your amplifier is designed to operate correctly on the A.C. Voltage and Frequencythat is noted on the back panel mounted rating plate. If you wish to export/import this product toanother country it may not be compatible and may require modification to suit. If in doubt pleaseconsult a VOX dealer or distributor.10