Krell Industries KAV-300IL Bedienungsanleitung
Instructions for Use
Owner’s Reference
THE LEADER IN AUDIO ENGINEERING
KAV–300iL
Remote Control
Integrated Amplifier
This product is manufactured in the United States of America. Krell®is a registered trademark of Krell
Industries, Inc., and is restricted for use by Krell Industries, Inc., its subsidiaries, and authorized agents.
Krell Current Mode™ and Theater Throughput™ are trademarks of Krell Industries, Inc. All other trade-
marks and tradenames are registered to their respective companies.
© 2001 by Krell Industries, Inc. All rights reserved P/N 305219
Krell Industries, Inc.
45 Connair Road
Orange, CT 06477-3650 USA
TEL 203-799-9954
FAX 203-891-2028
E-MAIL [email protected]
WEBSITE http://www.krellonline.com
This product complies with the EMC directive (89/336/EEC) and the low-voltage
directive (73/23/EEC).
Do not place the integrated amplifier where it could be exposed to dripping or
splashing.
The ventilation grids on the top and bottom of the KAV–300iL must be unobstruct-
ed at all times during operation. Do not place flammable material on top of or
beneath the component.
When making connections to this or any other component, make sure all compo-
nents are off. Turn off all systems’ power before connecting the KAV–300iL to any
other component. Make sure all cable terminations are of the highest quality, free
from frayed ends, short circuits, or cold solder joints.
THERE ARE NO USER-SERVICEABLE PARTS INSIDE ANY KRELL PRODUCT.
Please contact your authorized dealer, distributor, or Krell if you have any ques-
tions not addressed in this reference manual.
KAV–300iL
Remote Control Integrated Amplifier
Instructions for Use
v 01.2
CONTACT
INFORMATION
WARNINGS
Krell KAV–300iL iii
Contents
Page
INTRODUCTION 1
DEFINITION OF TERMS 2
UNPACKING 4
PLACEMENT 5
AC Power Guidelines 5
Power Cord 5
FRONT PANEL DESCRIPTION 7
BACK PANEL DESCRIPTION 10
REMOTE CONTROL DESCRIPTION 13
Battery Installation and Removal 13
Remote Control Functions 13
CONNECTING THE KAV–300iL TO YOUR SYSTEM 15
Connection Steps 15
OPERATING YOUR KAV–300iL 16
Amplifier Operation 16
Tape Input and Output 17
OPTIONAL CONFIGURATIONS 18
Configuring the KAV–300iL for Theater Throughput 18
HOW TO TROUBLESHOOT SYSTEM NOISE 20
QUESTIONS AND ANSWERS 21
WARRANTY 22
RETURN AUTHORIZATION PROCEDURE 23
SPECIFICATIONS Back Cover
iv Krell KAV–300iL
Illustrations
FIGURE 1 The KAV–300iL Front Panel 6
FIGURE 2 The KAV–300iL Back Panel 9
FIGURE 3 The KAV–300iL Remote Control 12
Page
Krell KAV–300iL 1
Introduction
Thank you for your purchase of the Krell KAV–300iL Remote
Control Integrated Amplifier. This fully integrated amplifier and pre-
amplifier has a fully balanced signal path from input to output and
employs a wide bandwidth design with low negative feedback for
sonic accuracy throughout the frequency spectrum. All circuits up
to the driver stage are pure Class A.
Krell’s new surface mount technology (SMT) means that the
KAV–300iL is an integrated amplifier with big power—200 Watts
per channel—that does not require big space. SMT allows individ-
ual circuit elements to be placed very close together. This shortens
signal paths and allows circuit elements to operate at the same
temperature, resulting in more accurate signal transfer and
enhanced reliablilty.
The KAV–300iL is easy to operate and integrate into your system.
The remote control accesses all amplifier functions, and remote
control connection options allow the KAV–300iL to be easily con-
nected with other components. The Theater Throughput feature
provides easy integration of the amplifier into a home theater
system.
This owner’s reference manual contains important information on
the placement, installation, and operation of the KAV–300iL.
Please read this information carefully. A thorough understanding of
these details will help ensure satisfactory operation and long life
for your KAV–300iL and related system components.
Definition of Terms
OPERATION
Following are the definitions of key terms used in your owner’s ref-
erence manual.
Theater Throughput
Theater Throughput is a Krell configuration option that allows the
signal from a surround preamp/processor to pass through a Krell
preamplifier or integrated amplifier with no gain, for integrated vol-
ume and balance management of Krell home theater systems.
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 instal-
lations, 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.
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 recom-
mended for connections requiring long cable runs.
Off
The component is off when the AC power cord is unplugged from
the wall receptacle.
Stand-by Mode
A low power consumption status that keeps the audio circuits at
idle. When you plug the AC power cord into the wall receptacle,
the red stand-by LED illuminates. The component is now ready to
be switched to the operational mode. Krell recommends leaving
the component in the stand-by mode when it is not playing music.
Operational Mode
When the component is in the stand-by mode, and you press the
power button on the front panel or the power key on the remote
control, the blue power LED illuminates. The component is in the
operational mode and is ready to play music.
CONFIGURATIONS
INPUT AND OUTPUT
CONNECTIONS
2Krell KAV–300iL
Definition of Terms, continued
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.
TECHNOLOGY
Krell KAV–300iL 3
4Krell KAV–300iL
Unpacking
After opening the box and removing the top layer of foam, the
KAV–300iL and the KAV–300iL accessory kit containing the follow-
ing items will be visible:
1 AC power cord
1 12 VDC (12 V trigger) cable
2 spare loudspeaker fuses (AGC 8)
1 KAV–300iL remote control
1 CR2025 lithium battery
Grasp the underside of the amplifier and lift it straight out of the
packing box.
Place the amplifier in a safe location and remove the protective
plastic wrapping.
If any of these items are not included please contact your authorized
Krell dealer.
Save all packing materials. If you must ship your KAV–300iL in the future,
repack the unit in its original packaging to prevent shipping damage.
Notes
Krell KAV–300iL 5
Placement
Before you install the KAV–300iL into your system, review the fol-
lowing guidelines to choose the location for the KAV–300iL. This
will facilitate a clean, trouble-free installation. The KAV–300iL does
not require any type of special rack or cabinet for installation. For
the dimensions of the KAV–300iL, see Specifications, on the
back cover.
Place the KAV–300iL on a firm, level surface, away from excessive
heat, humidity, or moisture. The KAV–300iL requires at least two
inches (5 cm) of clearance on each side and at least two inches
(5 cm) of clearance above and below the component to provide
adequate ventilation. Installations inside cabinetry may need extra
ventilation.
The KAV–300iL is not hum-sensitive. Other components may be
placed on or around the KAV–300iL (make sure ventilation grids
remain unobstructed).
Place the amplifier as close to the loudspeakers as possible and
keep loudspeaker cable lengths to a minimum. Loudspeaker cable
adds impedance to the load the amplifier must drive, regardless of
the cable’s gauge. All Krell amplifiers drive the lowest impedances
with ease, but long loudspeaker cables reduce the maximum
power that can be delivered to the loudspeakers.
The KAV–300iL has superb regulation and does not require a ded-
icated AC circuit. Avoid connections through extension cords or
multiple AC adapters. High quality 15 amp grounded AC strips are
acceptable. High quality AC line conditioners or filters may be
used if they are grounded and meet or exceed the unit’s maximum
power consumption of 1800 Watts.
The KAV–300iL should be operated only with the power cord
supplied. Please contact your authorized Krell dealer, distributor,
or Krell before using any devices designed to alter or stabilize the
AC power for the KAV–300iL.
AC Power
Guidelines
Power Cord
Figure 1 The KAV-300iL Front Panel
2 71 4 116 9 1083 5
Mode Indicators
8 Mute Button
9 Mute LED
Volume Adjustment
Functions
10 Level Up
and Down Buttons
11 Front Panel Display
Power
1 Power Button
2 Power LED
3 Stand-by LED
4 Infrared Sensor
Analog Devices
5 S-1, S-2, S-3, and
B-1 Buttons and LED
6 Tape Button
7 Tape LED
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