KRELL VANGUARD UNIVERSAL DAC Krell_Vanguard_Series_Owners_Reference.pdf

Vanguard Family - Owner's Reference

Vanguard Universal DAC w/Digital Preamp Option (DAC)

Vanguard Integrated Amplier (VIA)

Digital Vanguard Integrated Amplier (DVI)

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© 2015 by Krell Industries, LLC

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Table of Contents

Vanguard Family - Owner's Reference

Getting Started______________________(3)

(DAC) Vanguard Universal DAC:
Front Panel_________________________(5)

Rear Panel Diagram_________________ (6)

Remote Diagram____________________ (7)
(VIA) Vanguard Integrated Amplifier

& Digital Vanguard Integrated

Amplifier (DVI) Front Panel___________ (8)

(VIA) Vanguard Integrated Amplifier
and Digital Vanguard Integrated Amplifier
(DVI) - Rear Panel__________________ (9)

All Vanguards Software Update__________(12)

Spotify Connect App___________________(13)

mconnect Control App__________________(14)

W

arranty_____________________________(20)

Service ______________________________(22)

Specifications_________________________(23)

Krell Contact Information_______________ (25)

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*Roon and Spotify are only available on the DVI and DAC versions.

2

© 2015 by Krell Industries, LLC

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Getting Started

Vanguard Family - Owner's Reference

Thank you for your purchase of a Krell

Vanguard component. The Vanguard Family
includes the Vanguard Universal DAC w/Digital
Preamp Option (DAC), the Digital Vanguard
Integrated Amplier (DVI) and the Vanguard

Integrated Amplier (VIA).

This manual covers all three Vanguard models
and notes differences where appropriate.

The Vanguard Integrated Amplier can be equipped

with or without the Optional Digital Module that is
used in the Vanguard Universal DAC and Digital
Vanguard Integrated Amplifier.

All Vanguard models feature discrete signal paths

from input to output and employ a wide bandwidth
design with low negative feedback for sonic accuracy
throughout the frequency spectrum. All circuits up to

the driver stage operate in pure Class A.

Krell’s surface mount technology (SMT) means that
Vanguard components employ the most sophisticated

circuit designs possible without requiring the typical
space. SMT allows individual 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 reliability. This combination of sophis-

ticated circuitry and small space makes it possible to

design and manufacture a very high powered 200W
per channel amplier in a small enclosure. The Van­guard is easy to operate and integrate into your
system. The remote control accesses all functions, and
remote control connection options allow the Vanguard
to be easily connected with other components.

WARNINGS

This product complies with the EMC directive
(89/336/EEC) and the low-voltage directive
(73/23/EEC).This CLASS 1 apparatus must be
connected to an AC MAIN socket outlet with a
protective earthing connection

The Theater Throughput (Digital Vanguard

Integrated Amplifier and Vanguard Integrated

Amplier) feature provides easy integration of these
models into a home theater system.

The optional digital module (Vanguard Integrated

Amplier) adds a full range of digital technologies

and connections that are already included in the
Vanguard Universal DAC and Digital Vanguard
Integrated Amplier.

WARNING: Do not place the component where it

could be exposed to dirt or excessive moisture. The

ventilation grids on the top and bottom of the

Vanguard must be unobstructed at all times. Do not
place ammable material on top of or beneath the
unit. When making connections to this or any other
model, make sure all components are off. Turn off all
system power before connecting the Vanguard to any
other component. Make sure all cable and speaker
wire terminations are of the highest quality, free from

frayed ends, short circuits or cold solder joints.

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© 2015 by Krell Industries, LLC

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Unpacking / Placement / AC Power Guidlines

Vanguard Family - Owner's Reference

Open the shipping box and remove the top layer of
foam. You will see these items:

1. Vanguard unit and Accessories - Included

A. 1 AC power cord
B. 1 handheld remote control
C. 2 AAA batteries
D. 1 CD w/ owner’s reference
E. 1 warranty registration card
F. 1 trigger cable
G. 1 T-10 Torx Screwdriver

2. Carefully remove all items from the shipping box.

3. Place the preamplier and power supply in a safe

location and remove the protective plastic wrapping.

Place the Vanguard on a rm, level surface, away

from excessive heat, humidity, or moisture. The

Vanguard is a precision instrument and should be
handled with the utmost care when deciding where
it is to be placed and while it is being unpacked and

nally installed. Make sure the installation location

is dry and level, and able to provide adequate ven-

tilation. The Vanguard runs warm to the touch and

requires the bottom and top of the unit be free from

obstruction with good circulation of air. Allow a
minimum of 2 inches (5cm) above the unit for proper

ventilation, and at least one inch (2.54 cm) on each
side. Additional ventilation may be required when

the unit occupies the same space with other electron-

ics that generate heat, like power ampliers. Please

consult an authorized KRELL dealer or KRELL
Industries to insure proper installation guidelines.

The Vanguard is designed to work all over the world.
The operating voltage is determined at the factory and

is specically set to operate in the country of nal
destination. The Vanguard requires good clean power
and doesn’t require additional ltration. A 15 Amp

circuit is recommended for the Vanguard.

Note:
The Vanguard may not operate correctly when AC
regeneration or voltage conversion devices are

utilized, but at a minimum, they must be rated for the

maximum power consumption of the Vanguard.

Note:

Save all packing materials; if you need to ship the
Vanguard in the future, repack the unit in its original
packaging to prevent shipping damage.

Recommended Cleaning Instructions for Krell Products

Clean your Krell product gently, using a high quality

lint-free cloth that has not been treated with chemicals
of any kind.

Please note the following: Do not use cleaning agents

of any kind, such as water, alcohol, or other common

cleaning products.

Thank you.

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© 2015 by Krell Industries, LLC

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The Vanguard Universal DAC Figure 1 -- Front Panel

Vanguard Family - Owner's Reference

y

u

w

uPower

Use this button to switch the Vanguard between
stand-by and operational modes.

vStand-by Indicator

The stand-by indicator illuminates red when the
Vanguard is plugged into a standard AC wall
receptacle and the rear panel power switch is in the
ON position. The indicator illuminates blue when the
Vanguard is in operational mode.

w Infared Sensor

IR receives commands from the remote control. Make

sure this is not obstructed.

v

x

w

x Front Panel Display

The front panel display shows the input selected,
volume, balance, and Theater Throughput status.

y USB input

For playback of audio les from a USB ashdrive.

(Please see page 14 - mConnect App)

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The Vanguard Universal DAC Figure 2 - Rear Panel

Vanguard Family - Owner's Reference







Power Switch



Use this power switch to change the Vanguard from
off to the stand-by mode.





The Vanguard is equipped with 2 HDMI Inputs and 1

Output.

HDMI Inputs and Outputs













AC Power Cord Receptacle



The connector is for use with the provided IEC stan­dard 15 amp power cord. This connector and power
cord must remain unobstructed for easy removal in
case of emergency.

Balanced Analog Outputs



The Vanguard is equipped with one pair of
balanced outputs via XLR connectors.

Single-Ended Analog Outputs



The Vanguard is equipped with one pair of single­ended outputs via RCA connectors.

Digital Audio Inputs



The Vanguard is equipped with one coaxial and
one optical digital input.

Ethernet



The Ethernet port connects the Vanguard to a home

network for control, firmware updates and network

streaming.

IR In



The Vanguard is equipped with an RC-5 input that
makes custom installation easy and secure by
accepting baseband RC-5 input commands from a
remote IR detector or hard wired remote controllers.

Using this disables the front panel IR detector.

12 VDC In/Out (12 V trigger)



The 12 V Trigger input allows you to place the
Vanguard into the stand-by or operational mode from
other components. The 12 V trigger output allows the
Vanguard to turn other components on or off.



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Vanguard Integrated Amplifier / Digital Vanguard Integrated Amplifier

Vanguard Universal DAC Figure 3 - Remote Control

Vanguard Family - Owner's Reference

Remote Control Buttons have the same function as the

front panel controls, when applicable.

u Power

Use this button to switch the
Vanguard between stand-by and operational modes.

v Mute Button

Use this to mute the Vanguard output. To un-mute,

press the mute button again.

w Analog Input Buttons (VIA and DVI)

Use these buttons to select analog inputs on the

Vanguard.

x Digital Input Buttons (DVI, DAC)

Use these buttons to select digital inputs on the

Vanguard. Note: These buttons are only active when

the optional digital module is installed.

y BAL (Balance) Buttons (VIA,DVI)

Use these buttons to shift the balance to the left or the

right channel. Note: In menu mode, the balance but-

tons are used for left and right navigation.

u

w

y

{

v

x

z

|

}

z The Enter button

Use the enter button to conrm menu selections.

{ Volume Up/Down Buttons

Adjusts volume up and down on VIA, DVI and
DAC with a range of 0-100.

|Menu Button

Use this to access the menu functions of the Vanguard

}CD / DVD Transport Control

Not in use for Vanguard; used to control basic

CD / DVD functions on other Krell products.

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Note: The remote comes with two AAA batteries

that have to be installed. Use the supplied Torx
Screwdriver to remove the 4 battery panel Torx
screws (T10) then install the batteries.

7

© 2015 by Krell Industries, LLC

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Vanguard Integrated Amplifier and Digital Vanguard Integrated Amplifier Figure 4 - Front Panel

Vanguard Family - Owner's Reference

u

v

w

x

{

z

y

u Power

Use this button to switch the Vanguard between stand­by and operational modes.

v Volume/Navigation Up/Down Buttons

Use these buttons to adjust the amplier output level

and navigate through the menu system. The output
level is indicated numerically on the front panel
display, with a range from 0-100.

|

}

~

{ Source Button

Use this button to select the source functions of the
Vanguard.

| Stand-by Indicator

The stand-by indicator illuminates red when the Van­guard is plugged into a standard AC wall receptacle
and the rear panel power switch is in the ON position.
The indicator illuminates blue when the Vanguard is
in operational mode.

w Left/Right Navigation Buttons Use these but-

tons to navigate through the menu system.

x Enter Button

Press the enter button or use the enter key to conrm

menu selections.

y Mute Button

Use this to mute the Vanguard output. To un-mute,

press the mute button again.

z Menu Button

Use to access the menu functions of the Vanguard.

} Front Panel Display

The front panel display shows the input selected, vol-

ume, balance, and Theater Throughput status.

~ Infrared sensor

Receives commands from the remote control. Make

sure this is not obstructed.

USB input

Only active when optional digital module is installed.
(Please see page 13 - mConnect App)

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Vanguard Integrated Amplifier and Digital Vanguard Integrated Amplifier Figure 5 - Rear Panel

Vanguard Family - Owner's Reference

(DVI Only)

HDMI

Fans

The Vanguard is equipped with two cooling fans. Be
sure to leave them unobstructed for proper ventilation.

Loudspeaker Outputs

The Vanguard is equipped with gold-plated binding

posts for each amplifier channel.

Ethernet

The Ethernet port connects the Vanguard to a home

network for control, firmware updates and, network

streaming for DVI.

Balanced Analog Inputs

The Vanguard is equipped with one pair of balanced
(B-1) inputs via XLR connectors.

Single-Ended Analog Inputs

The Vanguard is equipped with three pairs of single­ended (S-1, S-2, or S-3 on Remote) inputs via RCA
connectors.

IR In

The Vanguard is equipped with an RC-5 input that
makes custom installation easy and secure by accept­ing baseband RC-5 input commands from a remote IR
detector or hard wired remote controllers.

Using this disables the front panel IR detector.

12 VDC In/Out (12 V trigger)

The 12 V Trigger input allows you to place the Van

-

guard into the stand - by or operational mode from
other components. The 12 V trigger output allows the
Vanguard to turn other components on or off.

Power Switch and Connector

The connector is for use with the provided IEC stan­dard 15 amp power cord. This connector and power
cord must remain unobstructed for easy removal in
case of emergency. Use this power switch to change
the Vanguard from off to the stand-by mode.

Digital Connections module (DVI)

The optional digital connections module adds one
coaxial, one optical, two HDMI inputs and one HDMI
output.

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VIA / DVI

9

© 2015 by Krell Industries, LLC

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Vanguard Integrated Amplifier/Digital Vanguard Integrated Amplifier - Operating the Vanguard

Vanguard Family - Owner's Reference

Operating the Vanguard When powering up any sys-

tem, always turn ampliers on last. When powering
down, always turn ampliers off rst.

1. When the amplier is in stand-by mode - with the
red stand-by indicator (2) - turn the amplier on by
pressing the power button on the front panel or the

power key on the remote control (1). There are audi­ble clicks and the blue power indicator (2) will illumi-

nate. The Vanguard is now in the operational mode.

2. With the amplier in the mute position, or the vol­ume control fully attenuated (O), select a source (4)

from the front panel or the remote control.

{

x

3. Start playing the source.

4. Set the volume to a comfortable listening level
using the up or down keys on the front panel or the
level keys on the remote control (3).

5. To turn the amplier off, press the power button on

the front panel or the power key on the remote control
(1). The red stand-by indicator (2) illuminates. It is
now safe to turn off the rest of the system.

u

w

Menu Options (from Remote or Front Panel)

The Vanguard menu system offers a number of

options and information. Main selections include:

• Source Setup

• Network Setup

• Operation Mode

• Diagnostic Mode

• Software Version

• Software Update

• Display Setup

• Restore Settings

• Save Settings

• Serial Number

Press the Vanguard's Menu button (7), then use the

navigation buttons or keys to highlight one of the
menu options. Press the Enter button or key to select.

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v

Source Setup

Press the Enter button and use the Up or Down but­tons to highlight the desired parameter to edit. Press

the Enter button to select. Assign Names: The rst

input is displayed. Press the Up or Down buttons to
select a different source.

To edit the currently displayed source, press the Enter
button and the cursor will begin ashing at the rst
character eld. Use the Up or Down buttons to change

the character. Use the Right or Left buttons to move
the blinking cursor to another character and repeat the

editing procedure. Press Enter to conrm changes.

Press the Up or Down buttons to select a different
source and repeat the editing process. The edited
name will appear when the Source button is pressed
on the remote or front panel. The new source name

10

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Vanguard Integrated Amplifier/Digital Vanguard Integrated Amplifier - Operating the Vanguard

Vanguard Family - Owner's Reference

will also appear on a web connected device. Press the
Left button to return to the Source Setup Menu.

Theater Mode

Theater Mode bypasses the Vanguard's volume con­trol and passes the left and right output of a surround
processor directly to the Vanguard's left and right

ampliers. Use the Left and Right buttons to highlight

the input that is connected to the surround proces­sor. Press the Enter button and the cursor will begin

ashing in the Disabled eld. Press the Up or Down

buttons to change to Enabled and press the Enter but­ton to select.

Note: Turn down volume on surround processor be­fore setting Theater Mode.

Level Trim (VIA, DVI, DAC)

The level trim allows for output adjustment between

sources. Press the Enter button and the source eld
will start ashing. Press the Up or Down buttons to

select a different source to edit. Press the Enter button

and the dB eld will begin ashing. Press the Up or

Down buttons to increase or decrease output. When
nished, press the Enter button and then the Left but­ton to return the Source Setup sub menu.

Network Setup
Press the Up or Down buttons to view the various
network parameters. Press the Enter button to see the
value for the displayed parameter.

IP Address

The default network discovery is DHCP. If the
Vanguard is connected to an active network, it
automatically acquires an IP address. To enter an IP
address manually, change the Vanguard to Static IP
operation. To change to Static IP operation, press the

Enter button at the IP Address sub menu. Press the Up
or Down buttons to change the setting to Static. Press
the Enter button to display the IP address. Press the
Right button to move the cursor to the number to be
edited. Press the Enter button again and the selected
number of the IP Address will begin blinking. Use the
Up or Down buttons to edit the IP Address value.

Press the Enter button to conrm change. Press the

Left or Right button to move the cursor to another
number in the IP address and repeat editing process.
Use the same process to edit the other network
settings.

Note: the MAC Address is a factory set value and is

not user editable.

Operation Mode (DAC)

The Operation Mode allows user to select between
DAC or Preamp functionality. The DAC
functionality bypasses volume control whereas
Preamp utilizes built in volume control. Press the
Enter button and the cursor will begin flashing. Press
the Up or Down buttons to change between DAC or
Preamp options. Press the Enter button to select.
NOTE: Turn down volume on surround processor
before setting Operation Mode to DAC.

Left Button

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Up Button

Right Button

Down Button

11

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Vanguard Integrated Amplifier/Digital Vanguard Integrated Amplifier - Operating the Vanguard

Vanguard Family - Owner's Reference

The Vanguard processor operation and setup options
are available from the built in web server. To use the
web server, connect the Vanguard to a router in your
local network (LAN). The IP address can be found in
the Network Setup sub menu. Press the Enter button
twice to find the address of the unit. It should be

similar to 192.168.1.9.

To access the web server, type your IP address
into the web browser address bar; press Enter.
For above, the correct address to enter would be:

192.168.1.9. The Vanguard control web page will
now appear on your computer or tablet screen. Using
your mouse or finger, follow the remote control or
front panel instructions to operate the Vanguard.

Diagnostic Mode

Diagnostic mode is used for troubleshooting and is
disabled as a default. Leave diagnostic mode disabled
unless directed by Krell.

Contrast Setup

Three contrast levels are available with level 2 being
the default. Press the Enter button to activate the
level setting and then use the up or down button to

adjust. Press the Enter button to conrm the desired

choice.

Restore Settings

Restore Settings will return the Vanguard to the origi­nal factory settings or to previously saved user
settings. Press the Up or Down button to change to

User. Press the Enter button to conrm selection.

Press the Enter button again to return to factory
or user saved settings. The Vanguard will display
various messages and will eventually return to the
standby mode.

Save Settings

Save Settings will save all conguration settings in

non volatile memory. Press the Enter button to begin
saving process.

Software Version

Press the Enter button to view current operating
Vanguard Software version and build date

Software Update

Press the Enter button to display the Software Update
Press the Enter button to select and then the Enter

button again to conrm. Choose the Network option if

the Vanguard is connected to the internet. The Van­guard will check the Krell update server to determine
if a new software update is available.

Display Setup

Backlight time-out

Backlight time-out turns off the front panel display
after a period of inactivity. The default time setting is
not disabled which keeps the display always illumi­nated. Time out can be set between 15 and 129

seconds, in 15 second increments.

Serial Number

Serial number displays the unit’s serial number and is
not user editable.

CEC Operation (Only applies to digital board option)

Consumer Electronics Control (CEC) is an HDMI

feature designed to allow the user to control up-to

15 CEC-enabled devices, that are connected through
HDMI, by using only one of their remote controls
(for example by controlling a television set, set-top
box, and DVD player using only the remote control

of the TV). The default setting for CEC is Enabled. In

some installations, it desirable to have CEC operation
disabled. To disable CEC operation, Press the Enter

button and use the Up or Down button to change the
setting ( Blinking E ) to Disabled. Press the Enter

button to conrm change.

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Vanguard Universal DAC / Digital Vanguard Integrated Amplier

Vanguard Family - Owner's Reference

The Digital Vanguard works in conjunction with the
mconnect Control app for Ethernet streaming and USB
playback. Please download the free mconnect Control
app from the Apple App Store or Google Play Store.

Note: The Digital Vanguard supports standard DLNA
products so any DLNA music player app can be used
for music management. However, proprietary control
functions, such as volume control of the Digital Vanguard

.ppa lortnoC tcennocm eht gnisu nehw elbaliava ylno era

In order to stream audio from the network or USB storage
device, select the digital source labeled NET/USB. The

mconnect Control app will automatically find music

on the local network and the USB input.

How to use Connect:
You’ll need Spotify Premium to use Connect –
see details overleaf.

For Bluetooth use, open the Bluetooth setting on a
mobile device. The Digital Vanguard automatically
outputs a Bluetooth pairing signal. Select “Vanguard”

latigiD eht morF .detcennoc sa sretsiger ti ecno
Vanguard faceplate, remote, or webserver, select the
digital source labeled Bluetooth. Select the desired
music on the device.

The Digital Vanguard features aptX® Bluetooth tech­nology for the best sound quality possible when using
aptX® equipped mobile devices.

Please check the mobile device’s specifications to
determine whether it is equipped with aptX®
technology.

Note: The volume control of the mobile device is
active during Bluetooth operation but will only raise
the maximum volume to the current volume setting on
the Digital Vanguard. It is recommended to raise the
mobile device’s volume control to maximum and then
use the Digital Vanguard’s volume control for further
adjustments. This will result in the best sound quality.

1. Fire up the Spotify app on your phone, tablet
or PC using the same network as the Digital Vanguard.

2. Play a song on Spotify and hit ‘DEVICES AVAILABLE’.

3. Choose the Vanguard and your music will start playing
out loud.

The Spotify Software is subject to third party licenses
found here:
https://developer.spotify.com/esdk-third-party-licenses/

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© 2013 CSR plc and its group companies.
The aptX® mark and the aptX logo are trademarks of
CSR plc or one of its group companies and may be
registered in one or more jurisdictions.

© 2015 by Krell Industries, LLC

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Vanguard Universal DAC / Digital Vanguard Integrated Amplier

Vanguard Family - Owner's Reference

mconnect App

Make Wi-Fi Connection and Open mconnect Control app

Connect a mobile device to the same network that the
Digital Vanguard is connected to.

Note: iPhone is used as an example. Screen images
might vary with dierent devices.

Select the Wi-Fi network on the setting menu of your
network device. Make sure it is the same network that
the Digital Vanguard is connected to.

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Launch the mconnect Control app on your network
device.

14

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Vanguard Universal DAC / Digital Vanguard Integrated Amplier

Vanguard Family - Owner's Reference

Device Setup and Device Information

“Setup”:

For Device Setup functions.

mconnect App

“Device Information”:

Information for current playback

device.

Gapless playback control is
available here.

“Device Setup”:

Shows the list of devices on the

etwork.

n

Firmware update is available here.

•

If there is an update for the device’s
rmware, the app will notify the user.

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15

[Device Setup Functions]

• WiFi Network Selection: To

connect the device to a Wi-Fi
network.

Device Name Change: To

•

rename the device on the

network.

LAN & Wi-Fi Static IP Setting.

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Vanguard Universal DAC / Digital Vanguard Integrated Amplier

Vanguard Family - Owner's Reference

mconnect App

Cloud Setup

Enable or Disable Internet Music
Services and Cloud Storages.

Disabled server will not be seen in
the “Browser” screen.

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Vanguard Universal DAC / Digital Vanguard Integrated Amplier

Vanguard Family - Owner's Reference

mconnect App

Playing Music

By pressing the Browser button, the list of server
devices on the local network will be displayed. The
entry labeled “Vanguard Server” is the USB input.

All navigation and playback operations are the same
for network servers and the USB input.

mconnect Control nds DLNA/UPnP compatible
devices such as NAS and Windows PCs.

Select Music to Play

Select a server device in the server list.

Sub-categories such as artist, genre, title, song, etc.
are displayed. The category and tree structure may
vary between devices.

Select the desired music from the list. The music will
be played by the playback device selected in the Play
to list. Select Vanguard to play the music through the
Digital Vanguard.
All the music in the selected folder is automatically
listed in the Queue.

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Vanguard Universal DAC / Digital Vanguard Integrated Amplier

Vanguard Family - Owner's Reference

mConnect App

Cloud Storage Access and Remote Playback

The Digital Vanguard provides cloud storage access
and playback. Upon rst time access to a cloud

Go back to
Local server List

storage account, login to the account will be required.
After authorization, music playback selection is the
same as for local network playback.

Play to network device

Choose Vanguard to stream music to the Digital Vanguard

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Vanguard Universal DAC / Digital Vanguard Integrated Amplier

Vanguard Family - Owner's Reference

mConnect App

Playlist Creation and Management

The mconnect Control app provides playlist manage­ment across servers. Music stored in dierent servers

may be combined into a playlist.

Playlists may be created and managed from the

Manage playlist at Playlist

playlist browser, and queue screens. The mconnect
Control app automatically detects the server devices

on the network and makes the playlist available.

Send to playlist at Browser

Send current Queue to playlist

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Warranty

Vanguard Family - Owner's Reference

This Krell product has a limited warranty of ve years

for parts and labor on circuitry from date of purchase
or six years from date of original shipment from the
Krell factory. Should this product fail to perform at

any time during the warranty, Krell will repair it at no

cost to the owner, except as set forth in this warranty.

The warranty does not apply to damage caused by acts
of God or nature.

The warranty on this page shall be in lieu of any

other warranty, expressed or implied, including, but

not limited to, any implied warranty of merchant-

ability or tness for a particular purpose. There are

no warranties which exceed beyond those described
in this document. If this product does not perform as

warranted herein, the owner’s sole remedy shall be

repair. In no event will Krell be liable for inciden-

tal or consequential damages arising from purchase,
use, or inability to use this product, even if Krell

has been advised of the possibility of such damages.

Proof of purchase in the form of a bill of sale or re­ceipted invoice substantiating that the unit is within
the warranty period must be presented to obtain war­ranty service. The warranty begins on the date of re-

tail purchase, as noted on the bill of sale or receipted

invoice from an authorized Krell dealer or distributor.

The warranty for Krell products is valid only in the

country to which they were originally shipped, through
the authorized Krell distributor for that country, and at

the factory. There may be restrictions on or changes
to Krell’s warranty because of regulations within a

specic country. Please check with your distributor for a

complete understanding of the warranty in your country.

If a unit is serviced by a distributor who did not im-

port the unit, there may be a charge for service,

even if the product is within the warranty period.

Freight to the factory is your responsibility. Re­turn freight within the United States (U.S.A.) is in­cluded in the warranty. If you have purchased your
Krell product outside the U.S.A. and wish to have
it serviced at the factory, all freight and associ­ated charges to the factory are your responsibility.

Krell will pay return freight to the U.S.A.-based
freight forwarder of your choice. Freight and
other charges to ship the unit from the freight
forwarder to you are also your responsibility.

Krell is not responsible for any damage incurred

in transit. Krell will le claims for damages as

necessary for units damaged in transit to the fac-

tory. You are responsible for ling claims for

shipping damages during the return shipment.

Krell does not supply replacement parts and/or prod­ucts to the owner of the unit. Replacement parts and/
or products will be furnished only to the distribu­tor performing service on this unit on an exchange
basis only; any parts and/or products returned to
Krell for exchange become the property of Krell.

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20

© 2015 by Krell Industries, LLC

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Warranty

Vanguard Family - Owner's Reference

No expressed or implied warranty is made for any

Krell product damaged by accident, abuse, misuse,

natural or personal disaster, or unauthorized modica-

tion.

Any unauthorized voltage conversion, disassembly,

component replacement, perforation of chassis, up-

dates, or modications performed to the unit

will void the warranty.

The operating voltage of this unit is determined by
the factory and can only be changed by an authorized
Krell distributor or at the factory. The voltage for this
product in the U.S.A. cannot be changed until six
months from the original purchase date.

In the event that Krell receives a product for warranty

service that has been modied in any way without
Krell authorization, all warranties on that product will

be void. The product will be returned to original fac-

tory layout specications at the customer’s expense
before it is repaired. All repairs required after the

product has been returned to original factory speci-

cations will be charged to the customer, at current

parts and labor rates.

Notes:

All operational features, functions, and

specications and policies are subject to change.

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21

© 2015 by Krell Industries, LLC

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Service

Vanguard Family - Owner's Reference

Return Authorization Procedure

If you believe there is a problem with your compo-

nent, please contact your dealer, distributor, or the

Krell factory to discuss the problem before you
return the component for repair.

To expedite service, you may wish to complete and e-

mail the Service Request Form on our website at:

http://www.krellonline.com/service-request-form.html

To return a product to Krell, please use this procedure

so that we may serve you better:

1. Obtain a Return Authorization Number (R/A
number) and shipping address from the Krell Service
Department. Print the return authorization number on
the outside of the box next to the Krell address label.

2. Insure and accept all liability for loss or
damage to the product during shipment to the Krell
factory and ensure all freight (shipping) charges are
prepaid.

3. The product may also be hand delivered if
arrangements with the Service Department have been

made in advance. Proof of purchase will be required

for warranty validation at the time of hand delivery.

NOTE: Use the original packaging to ensure the safe

transit of the product to the factory, dealer, or distribu-

tor. Krell may, at its discretion, return a product in

new packaging and bill the owner for such packaging
if the product received by Krell was boxed in nonstan­dard packaging or if the original packaging was so
damaged that it was unusable. If Krell determines that

new packaging is required, the owner will be notied

before the product is returned.

To purchase additional packaging, please contact your

authorized Krell dealer, distributor, or the Krell Ser-

vice Department for assistance.

To Contact the Krell Service Department:

Telephone: [phone]

Monday-Friday, 9:00 am to 5:00 pm EST

Fax: [phone]

E-Mail: [e-mail]

World Wide Web: http://www.krellonline.com

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22

© 2015 by Krell Industries, LLC

All rights reserved

Specifications: Vanguard Universal DAC

Vanguard Family - Owner's Reference

SIGNAL-TO-NOISE RATIO “A” Weighted 112 dB
TOTAL HARMONIC DISTORTION (THD) Un-weighted 20 Hz-20 kHz, 0.003%
OUTPUTS ANALOG AUDIO (2) Balanced via XLR Connectors R, L

(2) Single-ended via RCA Connectors R, L

DIGITAL VIDEO (1) HDMI

INPUTS DIGITAL AUDIO (1) EIAJ optical via TosLink connector

(1) Bluetooth
(1) USB-A
(1) Ethernet Streaming
(1) Coaxial via RCA connector

DIGITAL VIDEO (2) HDMI

CONTROL/UPDATE (1) IR Receiver for Remote Control

(1) RC-5 via 1/8” stereo “trs” Receptacle
(1) Ethernet via RJ-45 Connector
(1) 12vdc Remote Trigger Input via 1/8”
Mono Receptacle
(1) 12vdc Remote Trigger Output via 1/8”
Mono Receptacle

RC-5 pin out
Maximum Output

Audio Output Impedance

Power Consumption

DIMENSIONS
WEIGHT

Tip = RC-5 data, Ring = +5 V, Sleeve = GND
XLR Pin Out Pin 1 (ground) Pin 2 (non-inverting “Hot”) Pin 3 (Inverting)
Balanced 4 Vrms (11.6 Vrms w/Digital Pre-Amp) *
Single Ended 2 Vrms (5.8 Vrms w/Digital Pre-Amp) *

Balanced 150 Ω
Single Ended 150 Ω

Stand-by 6w
Operation 26w
Inches (L) 16.83 x (W) 17.06 x (H) 3.47
Centimeters (L) 42.76 x (W) 43.33 x (H) 88.1
18lbs Unit only

8.16kg Unit only
24lbs Shipping Weight

10.89kg Shipping weight

All operational features, functions and specifications are subject to change without notification.

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23

© 2015 by Krell Industries, LLC

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Specifications: Vanguard Integrated Amplifier (VIA) and Digital V

anguard Integrated Amplifier (DVI)

Vanguard Family - Owner's Reference

SIGNAL-TO-NOISE RATIO “A” Weighted 97 dB
TOTAL HARMONIC DISTORTION (THD) Un-weighted <0.015% at 1 kHz, at 200W, 8 Ω load

<0.013% at 1 kHz, at 200W, 8 Ω load

OUTPUTS ANALOG AUDIO 1 pr. speaker outputs via gold-plated binding posts

DIGITAL VIDEO (1) HDMI

INPUTS DIGITAL AUDIO (1) EIAJ optical via TosLink connector

(DVI Only) (1) Coaxial via RCA connector

(1) Bluetooth
(1) USB-A
(1) Ethernet Streaming

ANALOG AUDIO 1 pr. balanced XLR connectors

3 pr. single-ended via RCA connectors

DIGITAL VIDEO (2) HDMI
(DVI Only)

CONTROL/UPDATE

RC-5 pin out Tip = RC-5 data, Ring = +5 V, Sleeve = GND
Maximum Output Power 200W RMS per channel at 8 Ω
Maximum Output Voltage 113 V peak to peak

Power Consumption Stand-by 12W ▫ Idle: 70W ▫ Maximum: 1300W

(1) IR Receiver for Remote Control

(1) RC-5 via 1/8” stereo “trs” Receptacle
(1) Ethernet via RJ-45 Connector
(1) 12vdc Remote Trigger Input via 1/8”
Mono Receptacle
(1) 12vdc Remote Trigger Output via 1/8”
Mono Receptacle

XLR Pin Out Pin 1 (ground) Pin 2 (non-inverting “Hot”) Pin 3 (Inverting)

400W RMS per channel at 4 Ω

40V RMS

DIMENSIONS Inches (L) 16.83 x (W) 17.06 x (H) 3.47

Centimeters (L) 42.76 x (W) 43.33 x (H) 88.1

WEIGHT Unit only: 39 lbs (17.7 kg)

Shipping Weight: 47 lbs (21.31 kg)

All operational features, functions and specifications are subject to change without notification.

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24

© 2015 by Krell Industries, LLC

All rights reserved

CONTACT KRELL

Vanguard Family - Owner's Reference

CONTACT INFORMATION: Krell Industries, LLC

45 Connair Road

Orange, CT 06477-3650 USA

TEL: [phone] (Main Number)

FAX: [phone]

E-MAILS: [e-mail]

[e-mail]

[e-mail]

WEBSITE http://www.krellonline.com

Krell® is a registered trademark of Krell Industries LLC., and is restricted for use

by Krell Industries LLC. its subsidiaries, and authorized agents.

All other trademarks and trade names are registered to their respective companies.

Thank you for your purchase of a Krell Vanguard component. Enjoy!

www.krellonline.com

25

© 2015 by Krell Industries, LLC

All rights reserved