Klipsch THX ULTRA2 User Manual
THX ULTRA2 SURROUND PREAMPLIFIER
STAGE ONE
STAGE ONE
THX SURROUND PREAMPLIFIER
IMPORTANT SAFETY INSTRUCTIONS
CAUTION:
RISK OF ELECTRIC SHOCK!
DO NOT OPEN!
CAUTION! To reduce the risk of electric shock and fire, do not
remove the cover or back plate of the device enclosure. There are
no user serviceable parts inside. Refer servicing to an Aragon
authorized service center.
CAUTION! The international symbol of a lightning bolt inside a triangle is intended to alert the user to uninsulated "dangerous voltage"
within the device enclosure. The international symbol of an exclamation point inside a triangle is intended to alert the user to the
presence of important operating, maintenance and servicing information in the manual accompanying the device.
WARNING! To reduce the risk of fire or electrical shock, do not
expose this equipment to rain or moisture.
1. Read Instructions – All safety and operating instructions should be read
before operating the device.
2. Retain Instructions – The safety and operating instructions should be
retained for future reference.
3. Heed Warnings – All warnings on the device and in the operating instructions should be adhered to.
4. Follow Instructions – All operating and safety instructions should be followed.
5. Attachments – Do not use attachments not recommended by the product
manufacturer as they may cause hazards.
6. Water and Moisture – Do not use this product near water (for example,
near a bath tub, wash bowl, kitchen sink, or laundry tub; in a wet basement; or near a swimming pool; and the like).
7. Ventilation – Slots and openings in the cabinet are provided for ventilation
and to ensure reliable operation of the product and to protect it from overheating, and these openings must not be blocked or covered. The openings should never be blocked by placing the product on a bed, sofa, rug,
or other similar surface. This product should not be placed in a built-in
installation such as a bookcase or rack unless proper ventilation is provided or the manufacturer’s instructions have been adhered to.
8. Heat – This product should be situated away from heat sources such as
radiators, heat registers, stoves, or other products that produce heat.
9. Power Sources – This product should be operated only from the type of
power source indicated on the marking label. If you are not sure of the
type of power supply in your home, consult with your product dealer or the
local power company. For products intended to operate from battery
power, or other sources, refer to the operating instructions.
10. Grounding – This product is equipped with a three-wire grounding-type
plug, a plug having a third (grounding) pin. This plug will only fit into a
grounding-type power outlet. This is a safety feature. If you are unable to
insert the plug into the outlet, contact your electrician to replace your obsolete outlet. Do not defeat the safety purpose of the grounding-type plug.
11. Power Cord Protection – Power supply cords should be routed so that
they are not likely to be walked on or pinched by items placed upon or
against them, paying particular attention to cords at plugs, convenience
receptacles, and the point where they exit from the product.
12. Overloading – Do not overload wall outlets, extension cords, or integral
convenience receptacles as this can result in a risk of fire or electrical
shock.
13. Lightning and Periods of Non-Use – For added protection for this product during a lightning storm, or when it is left unattended and unused for
long periods of time, unplug it from the wall outlet and disconnect the
antenna or cable system. This will prevent damage to the product due to
lightning and powerline surges.
14. Cleaning – Unplug this product from the wall outlet before cleaning. Do
not use liquid cleaners or aerosol cleaners. Use a damp cloth for cleaning.
15. Object and Liquid Entry – Never push objects of any kind into this product through openings as they may touch dangerous voltage points or
short-out parts that could result in a fire or electric shock. Never spill liquid
of any kind on the product.
16. Damage Requiring Service – Unplug this product from the wall outlet and
refer servicing to qualified service personnel under the following conditions:
a) When the power supply cord or plug is damaged,
b) If liquid has been spilled, or objects have fallen into the product,
c) If the product has been exposed to rain or water,
d) If the product does not operate normally by following the operating
instructions. Adjust only those controls that are covered by the operating instructions as an improper adjustment of other controls may result
in damage and often will require extensive work by a qualified technician to restore the product to its normal operation,
e) If the product has been dropped or damaged in any way, and
f) When the product exhibits a distinct change in performance – this indi-
cates a need for service.
17. Replacement Parts – When replacement parts are required, be sure the
service technician has used replacement parts specified by the manufacturer or that have the same characteristics as the original parts.
Unauthorized substitutions may result in fire, electric shock, or other hazards.
18. Safety Check – Upon completion of any service or repairs to this product,
ask the service technician to perform safety checks to determine that the
product is in proper operating condition.
19. Servicing – Do not attempt to service this product yourself as opening or
removing covers may expose you to dangerous voltage or other hazards.
Refer all servicing to qualified service personnel.
If this unit is purchased outside of the U.S., please contact your local dealer
or distributor for service center information. If purchased inside the U.S. and
dealer service is not available, contact Aragon Customer Service for a return
authorization (RA) number before shipping. For further service information,
contact:
ARAGON CUSTOMER SERVICE
1-866-781-7284
137 COUNTY RD 278
HOPE, AR USA 71801
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Welcome to the Aragon Stage One.
We designed the Stage One as a high-performance multi-channel preamp/processor that would eliminate the need for separate home theater and two-channel
music systems. It integrates an audiophile-quality analog stereo preamplifier (based on the design of the Aragon Aurum), an eight-channel analog preamplifier
for connection to a DVD-Audio player, SACD player, or other multi-channel source with analog outputs, and an advanced THX® Ultra2 digital surround sound
processor.
Sophisticated design should mean more than just great performance. A central goal in the development of the Stage One was ease of use without the sacrifice
of operational flexibility. We believe that in this respect the Stage One breaks new ground. The Stage One combines the ease of use of a good stereo
preamplifier with the most advanced surround-sound processing available today plus numerous features that allow precise tailoring to the rest of your
audio/video system.
The Stage One itself will lead you through the basics so that you can start enjoying your system almost as soon as you have finished making connections
between components. This manual exists to help you take the processor to its limits, to answer your questions, and to guide you through any troubleshooting
that might be required. To get the most out of your Stage One, look through the opening sections before installation and read the entire manual at your leisure
afterward.
The version number of the owner’s manual is located at the bottom of this page. Updates will be provided on our Web site at
http://www.aragonelectronics.com/
Click on Help Center at the top of that page to download the latest version of the manual in Adobe Acrobat pdf format. Adobe’s free Acrobat Reader is required
to view the downloaded manual on your computer, and our Web site provides a link for downloading it as well.
Please send in your warranty card or register online in the Help Center so that we can keep you informed about updates to the Stage One and other important
developments.
Mondial Designs Worldwide Headquarters
3502 Woodview Trace
Suite 200
Indianapolis, IN 46268
866-781-7284
Email: support@aragonelectronics.com
www.aragonelectronics.com
Version Number 1.1
Manufactured under license from Dolby Laboratories. “Dolby”, “Pro Logic” and the double-D symbol are registered trademarks of Dolby Laboratories. Confidential Unpublished Works. ©1992-1999
Dolby Laboratories, Inc. All rights reserved.
Manufactured under license from Digital Theater Systems, Inc. U.S. Pat. No. 5,451,942 and other worldwide patents issued and pending. “DTS” and “DTS Digital Surround” are registered trademarks
of Digital Theater Systems, Inc. ©1996 Digital Theater Systems, Inc. All rights reserved.
Manufactured under license from Lucasfilm Ltd. U.S. patent numbers 5,043,970; 5,189,703; and/or 5,222,059. European patent number 0323830. Other U.S. and foreign patents pending. Lucasfilm and THX are
trademarks or registered trademarks of Lucasfilm Ltd. Surround EX is a trademark of Dolby Laboratories. Used under authorization.
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STAGE ONE
THX SURROUND PREAMPLIFIER
TABLE OF CONTENTS
Stage One Features
Latest Digital Decoding and Post-processing
Two-channel Analog Preamplifier
Full Auto Format Selection
Analog Volume Control
In-system Software Upgradable Design
24-Bit A/D and D/A Converters
Eight-channel Analog Preamplifier
Combination Digital and Analog Bass Management
Analog-Domain Dialog Normalization
Adjustable Crossover Point
Separate Level Settings for Each Mode
On-the-Fly Adjustments
Independent Selection of Audio and Video Sources
Built-in AM/FM Tuner
Front Panel Controls
Front Panel Control Operations
Stage Manager Control and Enter Button
Normal Mode
Post-processing Mode
Tuning Mode
Menu Mode
Speaker Configuration
Level Settings
Speaker Distance
THX Setup Menu
Input Selection Buttons
Mute Button and Mute LED
Front Panel Display
Current Mode
Two-channel and Eight-channel Analog Passthrough
Sampling Rate
Volume Level
Current Input
Post-processing
Rear Panel Inputs
Rear Panel Outputs
Remote Control
Hard Buttons
Adjust
Setup
Vol +/CH +/Mute
ƒ
Up/Down
Left/Right
OK
Mode
Device
Page Up/Down
Backlight
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Power and Input Selection
Modes Page
Analog
Digital
Stereo
Direct
Pro Logic II
DTS Neo:6
Club
Mono
5-Channel Stereo
Party
Adjustments
Pro Logic II
Dolby Digital
THX
DTS
Display
On-the-Fly
Video
Tuner
Pro Logic II Modes
Pro Logic II Setup
Dolby Digital
DTS
THX
THX ASA/EX
Tuner
Separate Video
Setup
On-the-Fly
Display
Input Connections
AC Input
Digital Inputs
Analog Inputs
Video Inputs
Multi-channel Analog Input
Antenna Input
Speaker Placement and Configuration
System Setup
Remote Control System Setup
Front-panel System Setup
Speaker Configuration
Level Settings
Speaker Distances
THX Setup
Crossover Setup
General Operation
THX
AM/FM Tuner
Front-panel Display and Lighting
Advanced Features
Advanced Menus
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UNPACKING
WE WANT YOUR NEW PREAMPLIFIER TO LOOK AS GOOD AS IT DID
LEAVING THE FACTORY. PLEASE CHECK PROMPTLY FOR TRANSIT
DAMAGE.
Carefully unpack your new preamplifier. In extreme circumstances, items may
have become damaged in transit. If any damage is discovered, notify the
delivery service and/or dealer where the system was purchased. Make a
request for inspection, and follow the instructions for evaluation. Be sure to
keep the product with its original shipping carton and save your packing material to aid in future transportation.
STAGE ONE FEATURES
Latest Digital Decoding and Post-Processing
The Stage One uses advanced digital processing and 7.1-channel output
capability to support all the latest surround-sound formats and decoding
options, including Dolby Digital, DTS, THX Surround EX, DTS ES Discrete
and Matrix, DTS Neo:6, and Dolby Pro Logic II. No matter what the source,
the Stage One can select and apply the best decoding method automatically.
And with its THX Ultra2 post-processing algorithms, the Stage One makes
sure that the final sound is exactly what the director intended. In addition, it
can apply its DSP power to multi-channel enhancement of ordinary stereo
programs via its Party, Club, and 5-Channel Stereo modes. It even does
mono!
Two-Channel Analog Preamplifier
The Stage One also includes an audiophile-quality two-channel analog preamplifier. Each analog input can be configured for Stereo Direct operation,
which bypasses the analog-to-digital converters and the DSP module to guarantee uncompromised reproduction of analog sources. Super Audio CD
(SACD) and DVD-Audio players can be connected via their analog outputs to
retain the full fidelity of these new formats.
Full Auto Format Selection
The Stage One will automatically determine the format of an incoming digital
bitstream and switch itself to the appropriate processing mode. Separate level
settings are available for each mode and are loaded automatically when a
new mode is selected. This enables the system to be operated at the push of
a button.
Analog Volume Control
The Stage One adjusts channel balance and overall volume in the analog
domain to retain the full resolution of all signals.
In-System Software Upgradable Design
As the world changes, the Stage One can change with it. Software upgrades
can be delivered in the field via a back-panel RS-232 port. This enables us to
make the Stage One compatible with new sources and to enhance its operation without ever having to touch the hardware or even remove it from your
system.
24-Bit A/D and D/A Converters
The Stage One uses identical, state-of-the-art, 24-bit Crystal Semiconductor
digital-to-analog converters for all eight output channels. The stereo
analog inputs, when not in Direct mode, are translated to digital with a
24-bit A/D converter.
Eight-Channel Analog Preamplifier
The Stage One provides an eight-channel analog input to allow direct connection of DVD players with built-in decoders, such as those for DVD-Audio and
SACD. A DB-25 connector is used. This input completely bypasses the digital
processing module, allowing the Stage One to function as an eight-channel
analog preamplifier. (See “Input Connections” for the DB-25 connector’s pin
configuration).
Combination Digital and Analog Bass Management
The Stage One incorporates an advanced hybrid bass-management system
that allows the preamp to preserve full dynamic range under all conditions. It
performs high- and low-pass crossover filtering, as well as bass summing to
the subwoofer, in the digital processor. This allows for more precise crossover
filters. When there is no subwoofer, it routes low-frequency signals (including
the LFE channel in Dolby Digital and DTS) to the system’s "Large" speakers
in the analog domain. This method eliminates any need for digital-domain
attenuation when these signals are combined. Processors that perform this
function digitally (as most others do) must attenuate the signals being combined to avoid overload in the DSP module, resulting in a loss of dynamic
range that can significantly impair sound quality.
Analog-Domain Dialog Normalization
Dolby Digital incorporates a function called Dialog Normalization, which was
originally developed with HDTV in mind. It enables content providers to maintain a constant average level for dialog at a given volume setting, regardless
of the nature of the program. The idea is to enable you to switch from channel
to channel on an HDTV set without ever having to lunge for the volume control, all while not compromising dynamic range. Dolby requires that all Dolby
Digital processors correctly respond to Dialog Normalization instructions in the
bitstream. The Stage One has the ability to make the necessary adjustments
in the analog domain. If this function were performed digitally, it could cause a
loss of resolution.
STAGE ONE
THX SURROUND PREAMPLIFIER
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FRONT-PANEL CONTROLS
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Adjustable Crossover Point
The Stage One enables you to designate each set of speakers in your system
(Front, Center, Surround, and Surround Back) as either Large or Small and to
adjust the crossover frequency below which bass is redirected away from the
channels feeding the Small speakers. There are twenty different crossover
frequencies to choose from. Separate crossovers can be selected for Stereo
and surround modes.
Separate Level Settings for Each Mode
The initial setup procedure defines a single channel balance for all modes.
Although this setting should be correct for most of the basic surround modes,
you can trim the balances individually for each mode from the Advanced
Menu. Once set for a particular mode, customized channel levels will be
loaded automatically whenever that mode is selected.
On-the-Fly Adjustments
You can use the remote control’s On-the-Fly and Balances functions to make
temporary channel-level adjustments for a particular soundtrack. In Stereo
mode, you can adjust the left-right balance and subwoofer level. In surround
modes, you can adjust the front-rear balance as well as the center-channel
and subwoofer levels.
Independent Selection of Audio and Video Sources
A page on the remote control enables you to select video independently with
the push of a button. This allows you to watch one source while you listen to
another, without going through any complicated setup menus.
Built-In AM/FM Tuner
The Stage One has a built-in AM/FM tuner with 20 station presets. The
remote control’s Tuner page contains buttons for selecting presets, as well as
station-seek buttons.
FRONT-PANEL CONTROLS
1 Power
The Power button switches the Stage One between its Active and Standby
modes. In Standby, the analog circuitry remains powered while the DSP
module is shut down and the outputs are muted.
2 Mute
Pressing the Mute button will toggle the Stage One’s audio outputs on
and off.
3 Mute LED
The Mute LED will illuminate red when the system is muted.
4 Enter Button
The Enter button is used in conjunction with the Stage Manager to operate the Stage One menu system. (See "Front-panel Operation.") When
the tuner is selected, the Enter button is used to switch the Stage
Manager into tuning mode. (See "Tuner.")
5 Input Selection Buttons
Pressing any of these buttons (TV, DVD, etc.) selects the corresponding
rear-panel connection as the current input.
6 Input Indicator LED
The LEDs above the Input Selection buttons indicate the source currently
engaged.
7 Stage Manager Control
The Stage Manager is both a knob and, when pushed, a button. It serves
a number of functions, including volume control, AM/FM tuning, and menu
operation. (See "Stage Manager.")
8 Display
The Stage One has a two-line by twenty-character vacuum-tube fluorescent display that indicates the current audio mode, input, and volume control setting.
FRONT-PANEL CONTROL
OPERATIONS
Stage Manager Control and Enter Button
The Stage Manager control knob is turned clockwise and counter-clockwise to
make adjustments, and it also functions as a pushbutton in certain operations.
In combination with the Enter button, it controls many of the Stage One’s
functions.
Normal Mode
In the Normal mode, the Stage Manager functions as a volume control.
Turning it to the right will increase the volume, and turning it to the left will
decrease the volume. The Stage One’s volume-control range is from –62dB
to +12dB, with 1dB steps from –62dB to –36dB and 0.5dB steps from
–35.5dB to +12dB. Below –62dB, the system is muted.
Post-Processing Mode
In the Normal mode, holding the input selection button for the current
source and rotating the Stage Manager will change the post-processing
mode. The following selections are available: Stereo, Stereo Direct, Pro
Logic II, DTS Neo:6, Club, 5-Channel Stereo, Party, and Mono.
Tuning Mode
When the Tuner is selected, use the Stage Manager to change stations.
Press the Stage Manager to enter the tuning mode. The currently selected
band will flash. Turn the knob clockwise to tune to FM, and counter
clockwise to select AM. Press the knob a second time to allow the tuning
frequency to be changed. Turn the knob clockwise to increase the frequenc
and turn it counter-clockwise to decrease the frequency. Press the knob a
third time, and the current preset will flash. Turn the knob clockwise to
increase the selected preset and counter clockwise to decrease. Press the
knob a fourth time to exit the Tuning mode. The Stage Manager will automatically revert to Normal mode after 5 seconds of inactivity.
Menu Mode
Press the Enter button once to load the Setup Menu or twice to load the
Advanced Menu. Scroll through the menu items by turning the Stage
Manager knob and press it when you reach the one you want to adjust.
Again, you adjust that item by turning the Stage Manager knob. When a
menu item offers a Yes/No choice, turn the knob to the right to select Yes
and to the left to select No. Press the Enter button to exit the menu. Menuspecific controls are listed below.
Speaker Configuration
Turn the Stage Manager to adjust the speaker setting. Press the knob to
advance to the next available speaker. Press the Enter button to exit the
Speaker Configuration Menu.
Level Settings
Turn the Stage Manager to increase or decrease the level of a selected
output channel. Press it to advance to the next channel. Press the Enter
button to exit the Level Settings Menu.
Speaker Distance
Turn the Stage Manager knob to increase or decrease the speaker
distance setting for an output channel. Press it to advance to the next
channel. Press the Enter button to exit the Speaker Distance Menu.
THX Setup Menu
Turn the Stage Manager to change the selected THX Setup menu. Press
the knob to select the currently displayed menu item for adjustment. Turn
the knob to the left or right to adjust the value of that item. Press the
Stage Manager or the Enter button to exit the selected menu.
Crossover Setup
Turn the Stage Manager to increase or decrease the crossover frequency for the speakers selected as Small and for the Subwoofer high-pass
filter. Press the Enter button to exit the Crossover Setup Menu.
Input Selection Buttons
Along the bottom of the front panel are eight buttons for source selection.
Once you have chosen an input, you can change the post-processing
mode by holding its selection button down and turning the Stage Manager
knob.
Mute Button and Mute LED
The Mute button toggles the Stage One’s outputs off and on. The Mute
LED will illuminate red when Mute is engaged. Turning the volume down
past –62dB will also mute the Stage One.
FRONT PANEL DISPLAY
Current Mode
The top left-hand corner of the display indicates the Stage One’s current
decoding mode or the post-processing being applied to a two-channel input
signal. The following decoding and post-processing modes are available in the
Stage One: Dolby Digital, DTS, Stereo, Pro Logic II, 5-Channel Stereo, DTS
Neo:6, Club, Party, and Mono.
Dolby Digital and DTS bitstreams can contain anywhere from 1.0 to 6.1 channels of information. (The ".1" indicates the presence or absence of a low-frequency effects, or LFE, channel.) If the bitstream contains between 1.0 and
5.1 channels of information, the number will display to the right of the decoding mode.
1.0
This indicates a mono signal. This signal is reproduced through the center
channel if a center speaker is present. Otherwise, it will be reproduced
equally through the left and right front output channels. If a center speaker
is present, you can force the signal to be routed to the left and right front
channels by pressing the Stereo button on the remote control.
2.0
This indicates that a two-channel signal is present. It will be reproduced
through the left and right front output channels. Two-channel signals can
also be modified by any of the Stage One’s post-processing modes. The
post-processing function will be indicated in the bottom left-hand portion of
the front-panel display.
STAGE ONE
THX SURROUND PREAMPLIFIER
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3.0
This indicates a three-channel signal, which normally will be reproduced
through the left front, center, and right front output channels. If the system
contains no center speaker, the center channel signal will be split equally
between the left and right front output channels.
4.0
This indicates a four-channel signal, reproduced through the left and right
front and surround output channels.
5.0
This indicates a five-channel signal, which normally is reproduced through
the left and right front, center, and left and right surround channels.
.1
The ".1" indicates that the bitstream contains a low-frequency effects (LFE)
channel, which carries only bass information. In most systems, the LFE
channel is reproduced by a subwoofer. If there is no subwoofer, it will be
routed to speakers designated as Large.
The number of channels indicated on the front-panel display is based on the
number of channels of information present in the digital bitstream. It is not an
indication of a signal being present on a particular speaker and does not
reflect your system’s speaker configuration. For example, if you have set
"Center Speaker" and "Subwoofer" to "None" (not present) in the Speaker
Configuration Menu, the display will still show Dolby Digital 5.1 for a 5.1-channel Dolby Digital soundtrack.
When a Dolby Digital soundtrack contains surround back channel information,
the front-panel display will indicate THX Surround EX.
THX Surround EX will NOT be displayed if any of the following conditions
exist:
1. The Surround Back channels in the Speaker Configuration Menu are set
to None
2. THX Surround EX is turned to OFF in the THX Setup Menu
3. The soundtrack is flagged as not containing stereo surround information
THX Surround EX-encoded discs can be played on a system with any number
of speakers connected to it, but to take full advantage of the surround back
channel information a full complement of speakers must be connected, including the Surround Back speakers.
When a DTS soundtrack contains surround back channel information, the
front-panel display will indicate DTS ES Matrix or DTS ES Discrete.
DTS ES soundtracks containing 6.1 channels of information are encoded in a
matrixed or discrete format. In a DTS ES Matrix soundtrack, the surround
back channel information is encoded into the primary surround channels,
extracted by the DSP module, and then sent to the Surround Back output
channels. DTS ES Discrete soundtracks contain a discrete surround back
channel signal, which is decoded by the DSP module and fed to the Surround
Back outputs.
The Stage One will not decode DTS ES if the Surround Back channels are set
to "None" in the Speaker Configuration Menu. DTS ES-encoded discs are
backward-compatible with a 5.1 system, so Surround Back channels are not
required to play them. However, the system cannot take advantage of the
extra surround channel unless, in addition to the primary surround speakers,
surround back speakers are connected.
2-Channel and 8-Channel Analog Passthrough
The top line of the display will indicate when the 8-Channel Analog input or
the Stereo Direct (2-channel passthrough) mode is selected.
Sampling Rate
For PCM signals (standard uncompressed digital output from a CD, DVD, or
laserdisc player or a digital satellite receiver), the display will show the sampling frequency to the right of the post-processing mode.
Volume Level
The bottom right-hand corner of the display indicates the current master volume setting. The master volume ranges from –62dB to + 12dB, with 00dB as
the THX reference setting.
Current Input
The bottom left-hand side of the display indicates the currently selected input,
as long as there is no post processing information required to be displayed.
When the tuner is selected, this location will display the currently tuned radio
frequency.
Post-Processing
In some modes, the Stage One may need to display additional information,
such as the type of post-processing being applied. The following list presents
the Stage One modes and the post-processing or additional information available in each.
Dolby Pro Logic II has five possible decoding modes, selected from the
remote control’s Pro Logic II Modes page: Movie, Music, Panorama (indicated as PAN), Matrix and Pro Logic. (See "Modes.")
Dolby Digital has 11 possible decoding modes, either selected from the
remote control’s Modes page or loaded as the default based on system settings: PLII, Stereo, Mono, 5-Channel Stereo, Club, Party, DTS Neo:6, THX,
THX Surround EX, THX MusicMode, and THX Ultra2 Cine. Certain modes
may only be applied to Dolby Digital 2.0 signals that are not flagged as surround encoded (See "Modes.")
DTS has 10 possible decoding modes, selected from the remote control’s
Modes page or loaded as the default based on system settings: PLII,
Stereo, Mono, 5-Channel Stereo, Club, Party, DTS Neo:6, THX, THX
MusicMode, and THX Ultra2 Cine. Certain modes may only be applied to
DTS 2.0 signals that are not flagged as surround encoded (See "Modes.")
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REAR-PANEL INPUTS
Be certain that the Stage One preamp/processor, your amplifiers, and all
other associated components are powered OFF before making or breaking any connections to the preamplifier. Failure to do so may result in
damage to your speakers or other equipment.
1 ANALOG INPUTS
Seven stereo analog inputs are provided on the rear panel. The analog
inputs are labeled for convenience only, as any line-level source can be
plugged into any analog input. (See "Analog Input Level Control.")
2 DIGITAL INPUTS
Ten digital inputs are provided on the rear panel: seven Coaxial and three
Toslink optical. They can accept digital output from any device that delivers
a standard S/PDIF signal. On the TV, DVD, and CD/LD inputs, the Toslink
input takes precedence over the Coaxial input. Both may be connected
simultaneously.
3 COMPOSITE VIDEO INPUTS
Seven composite video inputs are provided on the rear panel. When an
A/V source is selected, the corresponding video input is also selected and
routed to the Monitor and Record outputs. Video inputs can also be selected independently of the audio inputs. (See "Selecting a Separate Video
Source.")
4 S-VIDEO INPUTS
Seven S-video inputs are provided on the rear panel. When an A/V source
is selected, the corresponding video input is also selected and routed to
the Monitor and Record outputs. Video inputs can also be selected independently from audio inputs. (See “Selecting a Separate Video Source.”)
5 COMPONENT VIDEO INPUTS
Three Component Video inputs are provided on the rear panel. These are
assigned to the TV, DVD and Video inputs and are high-definition compatible. When one of these three sources is selected, the corresponding component video input is also selected and routed to the Component Video
output. Video inputs can also be selected independently from audio inputs.
(See “Selecting a Separate Video Source.”)
6 RS-232 IN/OUT
The RS-232 port enables the Stage One to communicate with
external control devices or to connect with expansion boxes for future
upgradability. This port also allows for software upgrades to be installed
to the Stage One.
7 IR INPUT
The external IR input on the rear panel allows for an electrical connection
to an infrared receiver module.
8 MULTI-CHANNEL ANALOG INPUT
A DB-25 connector is provided on the rear panel to allow a six- or
eight-channel analog input from a DVD, DVD-Audio, or SACD player.
Compatible RCA to DB-25 adapters are readily available from many
manufacturers. (See “Input Connections.”) This input bypasses the DSP
module.
9 EXPANSION PORT
This port provides for expansion capability for future use should current
or future formats require a method of connection not currently supplied
on the Stage One.
10 AC INPUT
AC Power is supplied to the Stage One via a standard IEC three-wire
power cord.
11 FM ANTENNA INPUT
A 75-ohm F-connector input is provided on the rear panel to attach to an
external FM antenna.
12 AM ANTENNA INPUT
Spring clips are provided on the rear panel to connect an external AM
loop antenna.
STAGE ONE
THX SURROUND PREAMPLIFIER
1
8
9
10
11
12
6
7
2
3
4
REAR-PANEL INPUTS
10
5
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