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Preamplifier
Channel
Also termed preamplifier or preamplifier channel. A channel is one Evolution Two,
comprised of one preamplifier chassis and one power supply chassis.
Right-terminated channel
Any right preamplifier channel that is last in a chain of linked Evolution preampli-
fiers is referred to as right-terminated. There is only one RG-45 link cable connect-
ed to a right-terminated channel.
Transmitter
Also termed transmitter preamplifier. The transmitter is a right-terminated preampli-
fier channel that sends IR, RC-5, and RS-232 data to the other linked preamplifier
channel(s), or receiver(s).
Receiver
Also termed receiver preamplifier. Receivers are linked preamplifier channels that
receive IR, RC 5, and RS-232 data from a right terminated preamplifier channel, or
transmitter.
Operation
Off
When the stand-by/power LEDs and the backlight grid are not illuminated, the pre-
amplifier is off.
Stand-by
A low power consumption status that keeps the audio and regulator circuits at
idle. The stand-by/power LEDs are illuminated in red, when the preamplifier chan-
nel is in the stand-by mode. Krell recommends leaving the preamplifier in the
stand-by mode when it is not playing music.
Operation
When the backlight is illuminated in blue, the preamplifier is in the operational
mode and ready to play music.
Technology
Krell Current Mode
A proprietary Krell circuit topology in which the audio gain stages of a component
operate in the cur
r
ent rather than voltage domain. This unique technology pr
ovides
the component with exceptional speed, and a wide bandwidth.
10
(SECTION ONE: About Krell continued)