Front Panel Description
The front panel accesses power on/stand-by
and infrared sensor (remote control) functions.
The power stand-by, bias, regulator, and Krell
CAST LEDs, arranged in a triangle on the front
Note
An optional remote control is available for Full
Power Balanced amplifiers.
panel above the power button, illuminate to indi- FULL POWER BALANCED
cate amplifier status.
750Mcx, 450Mcx, AND 350Mcx
MONAURAL POWER AMPLIFIERS
FULL POWER BALANCED
See Figure 2 on page 7
7
00cx, 400cx, AND 300cx
STEREO POWER AMPLIFIERS
7
Power Stand-by LED
See Figure 1 on page 6
The blue power stand-by LED (top of LED tri-
angle) illuminates when the back panel power
breaker switch has been moved to on, engag-
ing the input circuitry and placing the amplifier
in stand-by mode.
1
Power Stand-by LED
The blue power stand-by LED (top of LED tri-
angle) illuminates when the back panel power
breaker switch has been moved to on, engag-
ing the input circuitry and placing the amplifier
in stand-by mode.
8
Bias LED
The blue bias LED (lower left of triangle) illumi-
nates after the front panel power button is
pressed, indicating that the Sustained Plateau
Bias III is engaged.
2
Bias LED
The blue bias LED (lower left of triangle) illumi-
nates after the front panel power button is
pressed, indicating that the Sustained Plateau
Bias III is engaged.
9
Power Button
Use the silver power button to power on the
amplifier from stand-by mode.
3
Power Button
1
The infrared sensor receives the signal from a
remote control.
0 Infrared Sensor
Use the silver power button to power on the
amplifier from stand-by mode.
4
Infrared Sensor
1
1 Krell CAST LED
The infrared sensor receives the signal from a
remote control.
The red Krell CAST LED (center of triangle) illu-
minates when a Krell CAST input on the back
panel is connected to another Krell product with
a Krell CAST output.
5
Krell CAST LED
The red Krell CAST LED (center of triangle) illu-
minates when a Krell CAST input on the back
panel is connected to another Krell product with
a Krell CAST output.
12 Regulator LED
The blue regulator LED (lower right of triangle)
illuminates after the front panel power button is
used to power on from stand-by mode, indicat-
ing that the regulator is providing power to the
output stage.
6
Regulator LED
The blue regulator LED (lower right of triangle)
illuminates after the front panel power button is
used to power on from stand-by mode, indicat-
ing that the regulator is providing power to the
output stage.
8
Krell Full Power Balanced X Series Power Amplifiers
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