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2 Krell Current Tunnel
INPUT AND OUTPUT CONNECTIONS
Balanced
A symmetrical input or output circuit that has equal impedance from both input terminals
to a common ground reference point. The industry standard for professional and sound
recording installations, balanced connections have 6 dB more gain than single-ended
connections and allow the use of long interconnect cables. Balanced connections are
completely immune to induced noise from the system or the environment.
Krell Current Audio Signal Transmission (CAST)
A proprietary Krell circuit technology for connecting analog components, in which the
audio waveform is transmitted between components in the current rather than voltage
domain. The speed and bandwidth provided by Krell CAST yields accurate, realistic
music reproduction. Krell components connected via CAST perform as if they are all
part of a single circuit.
Single-ended
A two-wire input or output circuit. Use care when using single-ended connections as the
ground connection is made last and broken first. Turn the system off prior to making or
breaking single-ended connections. Single-ended connections are not recommended
for connections requiring long cable runs.
OPERATION
Off
When the power button on the front panel is pressed and the blue power LED turns off,
the component is off.
Operational Mode
When the power button on the front panel is pressed and the blue power LED
illuminates, the component is in the operational mode and ready to play music.
Stand-by Mode
A low power consumption status that keeps the audio and regulator circuits at idle. Krell
recommends leaving the component in the stand-by mode when it is not playing music.
TECHNOLOGY
Krell Current Mode
A proprietary Krell circuit topology in which the audio gain stages of a component
operate in the current rather than voltage domain. This unique technology provides the
component with exceptional speed and a wide bandwidth.
Krell Sustained Plateau Bias II
A proprietary Krell digital circuit that continually monitors the input signal and speaker
impedance and adjusts the bias accordingly to ensure Class A operation. Sustained
Plateau Bias II provides the enormous sonic benefits of continuous Class A operation
while minimizing the heat generation and power consumption normally associated with
Class A designs.