Krell Industries Illusion II Setup Manual

Connecting the
Position the preamplifier where you intend to use it in your system.
Illusion II
1. Neatly arrange and organize wiring to and from the preamplifier and all
to Your System
components. Separate the AC wires from any audio cables to prevent hum or
other unwanted noise from being introduced into the system.
Krell recommends using
2. Connect the outputs of your source equipment to the appropriate balanced (11),
balanced interconnect cables.
or single-ended inputs (12) on the Illusion II.
Balanced interconnect cables
3. Connect the main outputs (13) on the Illusion II to your amplifier's inputs.
not only can minimize sonic
loss but are also immune to
induced noise, especially with
4. Connect the supplied AC power cord to the IEC power cord receptacle (17)
installations using long cables.
of the preamplifier.
Balanced connections have
5. Plug the other end of the AC power cord into AC power and turn on the rear
6 dB more gain than single-
power switch. The display (3) shows
ended connections. When level
by/power indicator (4) illuminates red, indicating that the Illusion II is in stand-by
matching is critical, keep this
mode. When the display shuts off, the Illusion II is ready to be powered on.
gain value in mind.
Note
Use only the power cord provided with the Illusion II to make the connection to AC power.
Operation with a power cord other than the one supplied by Krell can induce noise, limit
current, or otherwise impair the ability of the preamplifier to perform optimally.
Operating the
After the Illusion II is connected to your system and to AC power you may begin
Illusion II
operation:
1. Press the power button (1) on the front panel, or the remote control power key.
The standby/power Indicator turns blue. The display shows the factory default
input: , and level:
S-1
2. With the preamplifier output muted, or the volume fully attenuated, select a
source manually using the front panel input select buttons (5 or 6) or the remote
input select keys. Start playing the source. Use the level buttons (10) or the
remote level keys to set the volume to a comfortable level.
3. To return the preamplifier to the stand-by mode, press the power button (1) or
remote power key. (We recommend leaving the Illusion II in the stand-by mode
when it is not playing music.)
Channel Balance
The balance function allows adjustment of the left and right balance. The options
Adjustment
are:
CENTER, L .5-5 dB <, R .5-5 dB >.
these adjustments. For front panel adjustment follow the steps listed below.
1. Press the preamplifier menu button (9), then use the level control knob, or the
remote control up and down keys to select:
2. Press the enter button (8) or remote enter key. The display shows the default
mode:
CENTER.
3. Use the level buttons, or the up and down keys, to select the desired balance
option from 0 to +5 dB in .5 dB increments, left or right.
4. Press the enter button or key to confirm the selection. The display reads:
BALANCE.
5. Press the menu button to exit the menu.
Illusion II Preamplifier
MODEL
4 Krell Illusion II Krell Industries, LLC., 45 Connair Road,Orange, CT 06477-3650 USA
TEL 203-298-4000, FAX 203-891-2028, E-MAIL contact@krellonline.com
WEB SITE http://www.krellonline.com
, and the stand-
Illusion II SOFTWARE VERSION
. The Illusion II is now in the operational mode.
000
The remote control has direct keys (D) to make
BALANCE.
SERIAL NUMBER
THE LEADER IN AUDIO ENGINEERING
Getting Started
Thank you for your purchase of the Krell Illusion II Stereo Preamplifier. The Illusion II
features Krell Current Mode circuit topologies, balanced technology, and a robust
power supply for exceptional audio performance. The Illusion II preamplifier includes
a digital input module and a headphone output. A thoughtful suite of menu options
ensures that the Illusion II can be customized for the greatest ease of operation.
The preamplifier's front panel provides power, input selection, level control, menu
Overview
functions, and status display. The rear panel allows connection to audio sources,
power amplifiers, AC power, and other system components.
The remote control provides power, preamplifier, level control, navigation and
customization functions, CD and DVD player controls and menu configuration.
Do not place the preamplifier where it could be exposed to dripping or splashing.
WARNINGS
Do not remove or bypass the ground pin on the end of the AC cord. This may cause radio
frequency interference (RFI) to be introduced into your playback system.
The ventilation slots on the top and bottom of the preamplifier must be unobstructed at all times
during operation. Do not place flammable material on top of or beneath the component.
This product complies with the
Turn off all systems' power before connecting the preamplifier to any component.
EMC directive (89/336/EEC)
Make sure all cable terminations are of the highest quality, free from frayed ends, short circuits,
and the low-voltage directive
or cold solder joints.
(73/23/EEC).
This CLASS 1 apparatus must
THERE ARE NO USER-SERVICEABLE PARTS INSIDE ANY KRELL PRODUCT
be connected to a MAINS
socket outlet with a protective
earthing connection.
1. Open the shipping box and remove the top layer of foam. You will see these
Unpacking
items:
Note
1 Preamplifier chassis
1 IEC connector (AC power) cord
Save all packing materials. If
1 Remote control
you need to ship the Illusion II
2. Carefully remove all items from the shipping box.
in the future, repack the unit in
its original packaging to prevent
3. Place the preamplifier in a safe location and remove the protective plastic
shipping damage.
wrapping.
We recommend that you place the preamplifier on a firm, level surface, away from
Placement
excessive heat, humidity, or moisture. The preamplifier requires at least two inches
(5 cm) of clearance on each side and at least two inches (5 cm) of clearance
above to provide adequate ventilation. Installations inside cabinetry may need extra
ventilation.
The Illusion II preamplifier has superb regulation and does not require a dedicated
AC POWER GUIDELINES AC circuit. Avoid connections through extension cords or multiple AC adapters. High
quality 15 amp AC strips are acceptable. The use of AC line conditioning devices is
not recommended. The features provided by these devices are already on board the
Illusion II.
Illusion II
Stereo Preamplifier
SETUP GUIDE
2 AAA remote batteries
1 T-10 Torx wrench for remote
1 Setup Guide
Krell Illusion II 1