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A50-62313-00006
333XL/333XL-212/333/333-212
User Manual
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Important safety instructions CAUTION: High voltage! Risk of death! High voltages of up to 500 V DC may be present inside the casing for long periods after being disconnected from the mains. To avoid lethal electric shock, do not open the casing. There are no user-serviceable components inside. Refer all maintenance to qualified service personnel. Remove the mains cable when the unit is not in use. WARNING: To eliminate the risk of fire and electric shock, do not expose this unit to rain or m
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Table of contents IMPORTANT NOTICE! ........................................................................ 4 Introduction ..................................................................................... 4 Before you get started .......................................................................................................4 Online registration .............................................................................................................4 Control elements ............
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Make sure that children cannot play unsuper- $ IMPORTANT NOTICE! vised with the unit or its packaging. FAILURE TO OBSERVE THE FOLLOWING POINTS MAY RE- Please ensure proper disposal of all packing $ SULT IN DAMAGE TO THE AMPLIFIER OR LOUDSPEAK- materials. ERS. DAMAGES CAUSED IN SUCH A WAY ARE NOT COV- ERED BY WARRANTY. Ensure adequate air supply and to avoid overheating do not place the unit near radiators etc. Before you start, always make sure that your $ Bugera Valve Amplifier is connect
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Control elements Front panel of the BUGERA 333XL 12 The BASS controls of the LEAD and CRUNCH chan- Front panel nels adjust the lower frequency range (active shelv- 1 The POWER switch is used to turn the power of the ing control for up to 15 dB boost/cut). BUGERA amplifier on and off. 13 The GAIN control lets you determine the input lev- 2 The STANDBY switch allows you to place the amp el of the LEAD and CRUNCH channels (the CLEAN in STANDBY mode. This way the amp is idle, but channel doesn’
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Rear panel of the BUGERA 333 29 The IMPEDANCE switch lets you specify the loud- Rear panel speaker impedance. Always apply the value that is identical to the impedance of the used speaker CAUTION! cabinet. When connecting two cabinets with the same impedance, the switch should be set to half ! Hot! Risk of injury! During use, the valves the value of one of the cabinets. For example, two get very hot and high surface temperatures 16-Ohm cabinets would require an 8-Ohm setting, may be rea
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Inside the BUGERA 333 Footswitch Inside the BUGERA DANGER! * High voltage! Risk of death! High voltages of up to 500 V DC may be present inside the casing for long periods after being disconnected from the mains. To avoid lethal electric shock, do not open the casing. There are no user-serviceable components inside. Refer all maintenance to qualified service personnel. Remove the mains cable when the unit is not in use. The parts inside the amplifier operate at high voltages and high tem
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CAUTION: WE HIGHLY RECOMMEND THAT BIAS ADJUSTMENTS BE CARRIED OUT BY ! QUALIFIED PERSONNEL! Wiring the BUGERA CAUTION! ! Hot! Risk of injury! During use, the valves will get very hot and high surface temper- atures may be reached at the rear of this unit. To avoid burning yourself, make all connections while the unit is still cold. ATTENTION! TO AVOID DAMAGE TO YOUR AMP, NEVER USE THE BUGERA VALVE AM- ! PLIFIER WITHOUT A LOUDSPEAKER CON- NECTED! The BUGERA amplifier has two paralleled
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The following figure shows a setup of the 333XL-212 to- Audio connections gether with an external effects unit connected over the FX LOOP. And the LINE OUT is connected to the line input The inputs and outputs of the BUGERA amplifier use of a mixer in order to send the signal to a recording de- mono jack connectors. vice. The LEVEL control of the LINE OUT lets you adjust the output level of the BUGERA to the input sensitivity of the mixer. In addition, the speaker signal of the BUGERA is p
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Specifications PREAMP SECTION Valves Type 1 x 12AX7A 1 x 12AX7B 2 x 12AX7C Preamp high-gain input Impedance 470 kΩ Clean channel Nominal input level -20 dBV Min. input level -30 dBV Max. input level 0 dBV Crunch channel Nominal input level -80 dBV Min. input level -90 dBV Lead channel Nominal input level -80 dBV Min. input level -90 dBV Preamp low-gain input (only 333XL and 333XL-212) Impedance 44 kΩ All levels attenuated by +6 dB Effects send Impedance
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Limited warranty SPECIAL NOTE: NO USER SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED PERSONNEL ONLY. § 1 Other warranty rights and national law 1. This limited warranty does not exclude or limit the buyer’s statutory rights provided by national law, in particular, any such rights against the seller that arise from a legally effective purchase contract. 2. The limited warranty regulations mentioned herein are applicable unless they constitute an infringement of national warranty law. §
