Krell KAV-280p

Remote Controlled Stereo Preamplifier

In very nice condition. Includes factory remote.
Original box and packing are not included. Manual is easily found on
line.

The KAV-280p is a superb sounding stereo preamplifier that brings the
dynamics and resolution of separate components to the KAV Series.
Balanced, direct-coupled circuitry is utilized from input to output, and
the level attenuator is accomplished with a unique, digitally
controlled analog circuit. Balanced and single ended inputs and outputs
are supported. This one features a  custom-machined aluminum silver
enclosure.

The KAV-280p uses current tunnel and surface mount technology derived
directly from the state-of-the-art Krell Current Tunnel (KCT)
preamplifier. Its extremely wide bandwidth makes the KAV-280p the ideal
preamplifier for today's high resolution sources. The extended frequency
response made possible by Krell Current Mode circuitry insures fidelity
and phase coherence within the audio pass band for convincing recovery
of the most complex audio programs. The single ended and balanced inputs
are buffered for optimum interface characteristics.

All circuitry is direct-coupled; there are no capacitors in the
signal path. Four layer copper clad circuit cards utilize a proprietary
ground scheme and are designed by Krell engineers to minimize noise and
crosstalk. High-speed, bipolar transistors are used throughout. The
power supply is heavily regulated and utilizes a 100VA torroidal
transformer. As in the KCT, regulation is nested throughout the circuit
to insure timely voltage delivery to the various gain stages. A micro
controller with highly reliable, sealed relays and gold contacts manages
input selection duties.

See last image for specs.

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