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BUGERA 1960 INFINIUM
BUGERA 1960 INFINIUM Controls
(1)
(2)
(3)
(4)
(11)
(12)
(13) (14) (15) (16) (17)
bugera-amps.com
(10)
(5)
(6)
(7)
(8)
(9)
(18)
(19)
(20)
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Quick Start Guide
Step 2: Controls
(EN)
(22)
(21)
bugera-amps.com
Front panel
LEVEL switch optimally adapts the FX LOOP to
(16)
the operating level of the external effects device
POWER switch is used to turn the power of the BUGERA
connected (+4 dBV or -10 dBV). The higher level is for
(1)
amplifier on and off.
studio effects devices, the lower level for floor pedals.
STANDBY switch allows you to place the amp
BYPASS switch removes the FX LOOP from the signal
(2)
(17)
in STANDBY mode (OFF position). This way the
path completely.
amp is idle, but the operational temperature of
IMPEDANCE switch lets you specify the loudspeaker
(18)
the valves is maintained (POWER switch turned
impedance. Always apply the value that is identical to
on). When the switch is set to its ON position the
the impedance of the used speaker cabinet. Please also
amplifier is activated.
read "Wiring the BUGERA".
ATTENTION!
To avoid damage to your amp, never use the Bugera
LOUDSPEAKER parallel outputs (¼" mono
(19)
valve amplifier without a loudspeaker connected!
jacks) are used to connect the speaker cabinet(s).
The minimum impedance is 4 Ohms. The IMPEDANCE
PRESENCE control modifies the amp's damping factor
(3)
switch should always be set to match the impedance
at high frequencies. This allows you to boost the
of the used speaker cabinet.
presence range, thus giving the sound more "edge".
TREBLE control adjusts the upper frequency range.
(4)
MID control adjusts the middle frequency range.
(5)
Always use loudspeaker cables for connection
between the amplifier and the loudspeaker.
BASS control adjusts the lower frequency range.
(6)
Never use other types of cable such as instrument
VOLUME 1 control determines the volume of
cable and microphone cable.
(7)
Channel 1. Channel 1 sounds brighter than Channel 2
and is usually the main channel.
VOLUME 2 control controls the volume of Channel 2.
(8)
Channel 2 produces a linear sound with a less
WARNING: ONLY REPLACE THE FUSE WHEN THE MAINS
pronounced treble range than Channel 1.
CABLE HAS BEEN DISCONNECTED! If the fuse is blown,
it needs to be replaced with a fuse of the same kind
CASCADED instrument inputs allow you to run
(9)
by all means. Otherwise, the unit could seriously be
Channel 2's output into Channel 1 in series for extra
damaged, in which case the warranty is void. If the
preamp gain and saturation. Plugging a single ¼" jack
fuse is blown repeatedly, you should take the unit to
into the LOW input reduces the input gain by -6 dB.
a qualified service technician.
Plugging into the HIGH and LOW jacks simultaneously
routes both inputs into the cascaded signal chain.
FUSE is found in the fuse holder.
(20)
PARALLEL instrument inputs allow you to run
(10)
Channel 1 and Channel 2 simultaneously from a
single ¼" instrument cable plugged into the HIGH 1
IEC MAINS connector is used to connect the mains
(21)
jack. Plugging a single ¼" instrument cable into the
cable that has the appropriate voltage ratings for your
HIGH 2 jack allows you to run Channel 2 by itself and
country (included). At all times, make the connections
deactivates the HIGH 1 input. Plugging into HIGH 1
to the amplifier before plugging the cable into a
and HIGH 2 simultaneously allows you to operate each
power outlet.
channel separately.
SERIAL NUMBER of the amplifier.
(22)
Rear panel
CAUTION!
Hot! Risk of injury! During use, the valves get very
hot and high surface temperatures may be reached
at the rear of this unit. Avoid touching the controls
and connectors on the rear panel during use. To avoid
accidental contact with hot surfaces, place the rear
panel so that it faces a wall.
INFINIUM VALVE LIFE MONITORING section shows
(11)
correct biasing for each valve separately. When
an output valve requires replacement, the valve's
matching LED will light permanently.
MASTER POST PHASE INVERTER volume control
(12)
adjusts the final output volume when engaged. This
control allows you to capture the full harmonics
generated in the phase inverter stage even at
moderate volumes.
BYPASS/ACTIVE switch activates or deactivates the
(13)
MASTER POST PHASE INVERTER volume control.
SEND output is used to connect a shielded ¼" mono
(14)
jack cable to the input of an external effects unit.
RETURN input is used to connect a shielded ¼" mono
(15)
jack cable to the output of an external effects unit.
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