Krell Industries EVOLUTION 202 - Manual (Page 2)

2 Krell Evolution 202 Krell Evolution 202 3
Figure 1 The Evolution 202 Front Panel
Figure 2 The
Remote Control
Figure 3 The Evolution 202 Back Panel
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™ is a trademark of Krell Industries, Inc. All other
trademarks and trade names are registered to their respective companies.
© 2006 by Krell Industries, Inc., All rights reserved
Front Panel Back Panel 1 Power
Use this to switch the
preamplifier between
stand-by and opera-
tional modes.
2 Infrared emitter
This transmits infrared
commands to a pro-
grammable remote con-
trol, such as the univer-
sal Krell Touch Screen
Remote.
3 Display
This provides channel
status messages, in-
cluding input selection,
volume level, balance
offset, and menu selec-
tions.
4 Infrared sensor
This receives com-
mands from the remote
control. Make sure this
is not obstructed.
5 Menu button
Use this to access the
menu functions of the
Evolution 202. For
more information, see
Customizing the
Evolution 202, in the
owner’s reference.
6 Enter button
Use this to configure
the menu functions of
the Evolution 202. See
Menu (5).
7 Stand-by/Power LED
These preamplifier and
power supply LEDs illu-
minate red (stand-by)
when the Evolution 202
is plugged into a stan-
dard AC wall recepta-
cle. They illuminate blue
(operational mode)
when the power button
(1) is pressed while the
Evolution 202 is in
stand-by mode.
8, 9, and 10 Input
selectors
Use these to select the
corresponding rear
panel input that is con-
nected to a single-
ended (S-1, S-2, S-3),
balanced (B-1, B-2), or
CAST (C-1, C-2) analog
source. The display (3)
shows the selected
input and volume level.
11 Tape input selector
Use this to select the
tape input that is con-
nected to an analog
tape source. The red
LED illuminates when
the tape input is select-
ed. The display (3)
shows: TAPE and the
main volume level.
12 Mute button
Use this to mute the
preamplifier output. To
unmute, press the mute
button again. The red
LED illuminates when
mute is selected.
13 Phase button
Use this to invert the
absolute polarity of the
main output. The red
LED illuminates when
phase is selected.
14 Level control knob
Use this knob to
increase or decrease
system volume level or,
with the remote con-
trol’s balance keys, to
adjust the balance. The
level control knob or
keys also select menu
options that customize
the Evolution 202.
15 Balanced inputs: B-1
and B-2
These XLR balanced
analog source input
connectors are wired as
follows:
Pin 1 Ground
Pin 2 Non-inverting
Pin 3 Inverting
16 Single-ended inputs:
S-1, S-2, and S-3
There are 3 single-
ended analog source
inputs with RCA con-
nector pairs.
17 Tape input
This single-ended input
pair is for use with a
tape source.
18 C-1 and C-2 inputs
The two CAST inputs
have 4-pin bayonet
connectors, for use with
Krell CAST-equipped
input devices.
19 Tape output
This single-ended out-
put pair is used for
recording the selected
input source.
20 Main outputs
The Evolution 202 is
equipped with one bal-
anced XLR output pair,
one single-ended RCA
output pair, and two
CAST output pairs with
4-pin bayonet connec-
tors (for use with Krell
CAST-equipped ampli-
fiers).
21 CAN link
These RJ-45 link con-
nectors are connected
in parallel. They are
used to operate pream-
plifier channels in linked
mode. See CAN Link,
in the owner’s reference,
for more details.
22 RS-232 port
This port receives mes-
sages from a computer-
based control system,
providing integrated
control of all preamplifi-
er functions. For details,
see the developer's ref-
erence: RS-232 Port:
Sending Commands
and Interpreting Data.
23 RC-5 in
This remote connector
is used with third-party
remote control systems
that provide RC-5 (IR)
data via a wired con-
nection. A stereo tip,
ring, sleeve 1/8” mini
connector is used in
the following configura-
tion:
Tip = RC-5 data
Ring = +5 V
Sleeve = GND.
24 DC power connector
Use the supplied 12-pin
cable to connect this to
the corresponding DC
power connector on the
power supply. Make sure
the AC power cord is
unplugged before making
any connections to the
preamplifier.
25 12 VDC in/out
(12 V trigger)
There are 2 outputs and
one input that send and
receive 12 VDC power
on/off (trigger) signals to
and from other Krell com-
ponents, and other devices
that incorporate a 12 V
trigger. This allows other
components to be turned
on/off, or to/from stand-by,
through the remote control.
For more information, see
Input Trigger in the
owner’s reference.
Keys labeled 1 to 14
have the same function
(and callout number) as
the front panel controls.
Keys labeled A through J
are unique to the re-
mote control, and are
described below:
A Amp Pwr key
Use this to activate
Krell amplifiers con-
nected to your system.
B Amp Sel key
Use this to select the
meter range of the
power meter scale on
the front of a Krell
Evolution One amplifier.
C Bal(ance) keys
Use along with the level
keys, to balance left
and right output levels.
D Transport keys
These keys are func-
tional with all Krell CD
and DVD players.
E Menu key
Use this to enter CD or
DVD player menus.
F Direction keys
Use these keys to navi-
gate CD and DVD
menus.
G Select key
Use this to make selec-
tions from CD and DVD
menus.
H CD key
Press this to make the
transport keys operate
Krell CD players.
I DVD key
Press this to make the
transport keys operate
DVD players.
J Title key
Use this with CD or
DVD player menus.
Note
The remote comes with
two AAA batteries that
have to be installed.
Use the supplied Torx
wrench to remove the
battery panel, then
install the batteries.
26 Fuses
Always unplug the
power cord before
inspecting these fuses.
Always replace the
fuses with the exact
style and rating.
Power Supply
Remote
Control
Figure 4 The Evolution 202 Power Supply
27 IEC power cord
receptacle
This is for use with the
provided AC power
cord. Plug the other
end into an AC Mains
supply capable of sup-
plying the correct AC
voltage and current for
the power supply.
28 Phono power port
This is for connecting
the preamplifier to a
Krell KPE phono stage.
See the KPE owner’s
reference for more
details.
24 DC power connector
Use the supplied 12-pin
cable to connect this to
the corresponding DC
power connector on the
preamplifier. Make sure
the AC power cord is
unplugged before making
any connections to the
preamplifier.