Trigon SNOWWHITE Manuel utilisateur

USERS MANUAL FOR PREAMPLIFIER

SnowWhite

SnowWhiteSnowWhite

SnowWhite

CONTENTS

1 Introduction

2 General Description

2.1 Safety Information

2.2 Installation Information

2.3 Warranty and Service Information

3 Initial Setup

3.1 Front Panel Controls

3.2 Rear Panel Connections

3.3 Remote Control

4 The MODE Function

4.1 Balance Control

4.2 Initial Volume evel

4.3 Display Brightness

4.4 Record Output Activation

4.5 Input evels

4.6 Unity Gain – Home Theater Throughput

4.7 Factory Default Settings

5 What to do, if ...

5.1 ... unit doesn’t turn on?

5.2 ... no sound is produced?

5.3 ... there is a hum?

5.4 ... the remote control doesn’t seem to work?

6 Technical Data

1 Introduction

Valued

Trigon

- Customer,

We are excited that you have chosen to purchase the

SnowWhite

preamplifier.

This unit was built using the highest quality control to insure utmost precision in

manufacturing.

Whether you are a beginner to High-Fi or advanced user, it is highly recommended that

you read and understand this User’s Manual thoroughly before using your new

preamplifier.

Be sure to keep this manual easily accessible as it could come in handy during normal

use of this preamplifier.

We hope that you enjoy your new preamplifier and thank you for choosing

Trigon

2 General Description

The

SnowWhite

is a High-End preamplifier with between four and five high-level

inputs.

This preamplifier is completely controlled by a sophisticated Microprocessor. The features

of the SnowWhite are both accessible via the front panel or via the Director remote

control. The front panel features a dimming Display that informs users of the active in-use

configuration. The unit can also be turned off or on via the remote control when in stand-

by mode.

The volume setting is controlled through a special D/A Converter and as such is both

technically and sonically far superior to a traditional volume pot (potentiometer). This

method of volume control allows for a channel output that is exact at low volume as well

as high volume settings, insuring that the soundstage doesn’t wander or lose focus with

each change of the volume setting.

The power supply also boasts noteworthy features in its design. The external power

supply delivers the preamplifier with controlled even voltage. Inside the preamplifier itself,

is housed the current regulation for all the gain stages. This power supply design helps

reduce the possibility of inducing hum into the system.

2.1 Safety Information

Trigon Elektronik GmbH

will not assume any responsibility for damages

occurred from unsafe handling of the product or from not adhering to the recommend

safety instructions below.

- The preamplifier should not be used un-monitored in close proximity to heat

producing devices such as Water heaters, Fireplaces or Flammable materials.

- The preamplifier is not designed to withstand heavy impacts or severe vibrations.

- The preamplifier should not be used un-monitored when being transported from a

cold environment into a warm room.

- The preamplifier should not be used when placed out in direct contact with the Sun.

- Insure that the installation location for this product has adequate ventilation.

- The preamplifier should not be doused with any type of liquid. It is imperative that no

liquid get inside the unit.

- Never use this product without the shielded top cover installed.

- Before removing the top cover always insure that the AC cord has been removed

from the AC outlet and that the product has sat to drain any residual current.

- Never short any of the fuses. Replace broken fuses only with original fuses of the

same value and type.

- Do not attempt to service this unit. Repairs are only to be done by authorized

service centers or through the factory direct. Any such unauthorized repairs will

result in a voided warranty.

- Always make sure that your complete audio system is shut off before changing any

cables or connecting any other components.

The

SnowWhite

power supply is set at the factory to be operated in 115V. Contact

your local dealer or

Trigon

directly if you should need a different voltage version.

2.2 Installation Information

During unpacking, please inspect the unit for any potential transportation damage. If you

notice any damage, please get in contact with your dealer.

Confirm the contents of the box. In addition to the

SnowWhite

, you should also

have the following:

- Floor Power Supply

- User’s Manual

- Warranty Card

Place the unit on a dry, level surface. Be sure that the unit has good ventilation around it.

Strong magnetic fields commonly found in amplifier transformers and halogen light

transformers can induce hum into a system. Because of this, it is best to place the unit a

reasonable distance from such devices. Also, the audio interconnects should not be run

in parallel to AC power cables as this can also induce noise.

Hum is also produced from light bulbs. It is best to place audio equipment at least 3 feet

away from them.

Try to utilize natural light and make sure not to use the

SnowWhite

unmonitored

next to heat sources.

2.3 Warranty and Service Information

In choosing the

SnowWhite

, you have selected a valuable and technologically

advance product. We at

Trigon

are trying to improve our quality control through all

steps in the production cycle to insure that all

Trigon

products meet our quality

expectations. If a problem is experienced,

Trigon Elektronik GmbH

offers

a three-year warranty. This warranty covers repairs for any manufacturing defects.

It does not cover damages that are the result of neglect or misuse. It also is considered

void if unauthorized personnel do any repairs or modifications. Any alterations to the

serial number, or transportation damage are not covered as part of this warranty.

3 Initial Setup

After you have unpacked the preamplifier, you should first connect the unit to the power

supply and plug it into the AC outlet. Before you have connected any of your other

components turn the unit on to test that it powers up properly.

After a short warm-up period, you will hear a quiet “clicking” sound from Relays within the

Snow White signaling that the unit is ready to be operated. At this time you should

become more familiar with the proper usage and connection possibilities of the Snow

White. Test the various controls (i.e. input selection, volume, etc..) at this time for

functionality, while none of your sources are connected. This will insure that no damage

can occur. After you have tested all the functions and understand how to control the

Snow White, you can begin to connect your other audio components.

When connecting cables between components, be sure that both the Snow White and

other components are powered OFF!

3.1 Front Panel Controls

1 2 3 4 5 6 7

1 - INPUT SELECTOR KNOB :

With this knob you can select which input is to be activated for listening. The selected

input can be seen on the Display [2].

Pushing the knob will engage the MODE menu. While in the MODE menu, turning the

knob will scroll through the individual Menus. To exit the MODE menu, simply push the

knob once again.

2 - Input D splay :

This display shows what input is currently selected and active. A small dot will light up

behind the display if the Display Off function is selected.

3 – Standby LED :

This ED will glow dimly as soon as the Snow White is set into Stanby mode.

4 – Operate LED :

This ED will light up once the Snow White is switched on.

5 – Mono LED :

This ED will light up when the Snow White is operated in Mono mode.

6 – Volume D splay :

This display shows the select volume level. It also displays other values when in the

MODE Menu. This is more fully described in the MODE-Menu section (Chapter 4) below.

7 – Volume Knob :

This knob is used to set and adjust the volume of the Snow White. If you push the knob,

you will engage the MONO operation and the dots behind ED [6] will light up. The

preamplifier will switch back to Stereo operation as soon as the Volume knob is pushed or

if the unit is switched into Standby.

8 – On/Off (Standby) Button:

This button is used to switch the unit On or Off (Standby). Once switched On, the ED [4]

will light up.

3.2 Rear Panel Connections

IN 2IN 3IN 4 IN 1REC/IN 5OUTPUT

9 10 11 12 13 14

9 Power Supply Input:

This input is used to connect the external power supply to the Snow White.

CAUTION!!! Please never try to connect a similar cable from a Telephone or Computer

network! This could damage the Snow White which would not be covered by our

warranty. In addtion, we would not be responsible for any other damage this may cause!

10 Balanced Output R :

This is the balanced X R output for the right channel. This output can be used with either

an amplifier or active loudspeaker that has a balanced X R input. Pin configuration is as

follows:

Pin 1 - Ground

Pin 2 - Positive Signal (+).

Pin 3 - Negative Signal (-).

11 Balanced Output L :

This is the balanced X R output for the left channel. This output can be used with either

an amplifier or active loudspeaker that has a balanced X R input. Pin configuration is as

follows:

Pin 1 - Ground

Pin 2 - Positive Signal (+).

Pin 3 - Negative Signal (-).

12 Unbalanced Output:

These are the unbalanced RCA outputs to be used with amplifiers and active

loudspeakers that have unbalanced RCA inputs. You’ll find the left channel output on top

and the right channel output on the bottom. The Snow White does not invert phase over

these outputs.

13 – INPUT5 / TAPE OUTPUT :

This set of connections can be configured to be used in two different ways. They can be

used as an additional line input or as a record output. In the MODE-Menu, you can select

which way you choose to use these connections. More detailed information is listed below

in capter 4.6.

14 - UNBALANCED INPUTS :

The RCA pairs INPUT1 through INPUT4[5] are the unbalanced inputs. The top row of the

inputs is the left channel and the bottom row for the right stereo channel. These inputs

can be used with all traditional line-level sources such as Tuners, CD Players, Tape Deck,

etc.

Turntables will need a separate phonostage (such as the Trigon Vanguard II or Advance)

to amplifier the signal of the phono cartridge to a level which the Snow White can accept.

3.3 Remote Control

The Snow White offers and optional IR Remote called the Director.

Director

The Director is a system remote that can control multiple

components. It controls the following functions for the Snow White

preamplifier.:

- On/Off (Standby) : used to turn the preamp on or off.

- Display On/Off : used to turn the display on or off.. When

switched off, a small dot will be displayed behind the Input

ED [2]. Also when switched off, the display will come on

for a few seconds if the preamp is used in order to show

any changes made.

- Mode Menu : used to engage the MODE-Menu. More

information can be found in Chapter 4.

- Mono/Stereo : used to engage Mono operation. Once

engaged, the Mono ED[5] will light up.

- Input + : each press will select the next input.

- Input – : each press will select the previous input.

- Volume +10 : the volume will increase by 10

- Volume -10 : the volume will decrease by 10

- Mute : used to mute the outputs. When engaged, a small

dot will be displayed behind the Mute ED[6].

- Volume + : Increase volume

- Volume – : Decrease volume

The buttons used for these functions are described in the User

Manual for the Director remote control.

(The image to the left has the relevant buttons for the Snow White

highlighed in bold.)

4 The MODE Function

We have included many additional features in this preamplifier that can be accessed via

the MODE menu.

The following functions are available in order of access in the MODE menu:

- Balance control

- Adjusting initial volume level

- Adjusting Display brightness

- Setting Input 5 to a record output

- Unity Gain (Home Theater through-put)

- Input level adjustment

- Factory Default Setting

To access the MODE menu, push the input selector knob. Once in the MODE menu,

rotate the input selector knob right or left to scroll through the menu options. If nothing is

done within approx. 15 seconds, the unit will automatically switch back to “normal”

operation mode.

All changes in are automatically saved once the input selector knob is used to move to the

next menu option. The input selector knob can be turned either right or left to scroll either

forward or back within the MODE menu. You can escape from the MODE menu at any

time by simply pressing the input selector knob.

The individual options in the MODE menu are described in further detail below.

4.1 Balance Control

The following should be seen on the display to adjust balance:

The volume control knob [7] is used to adjust the channel balance. When adjusting

channel balance, please note that either the left ED [3] or right ED [5] will be lit to

indicate which channel is receiving more signal. The volume display will indicate exactly

how much more signal is being sent to an individual channel. Each number represents a

difference of 1 dB of gain. The maximum difference is 100 dB. All changes in are

automatically saved once the input selector knob is used to move to the next menu option,

or it is pressed to escape the MODE menu.

The balance setting will be reset once the unit is turned off. Once turned on again, if

another balance setting is desired, please follow the steps above.

Turning the input selector knob clockwise will move to the Initial Volume level menu

option. Pressing the input selector knob will exit the MODE menu.

4.2 Adjusting Initial Volume evel

The

SnowWhite

uses an electronic volume control system. In addition to offering

better performance (over the conventional Potentiometer), it also allows for special

features that have previously not been available. One of these features is the ability to

adjust the Initial volume level. This is the volume level in which the preamplifier is set to

any time it is turned on. This design insures that if a high volume level was last used

before the preamplifier was turned off, that this level is not automatically selected when

next turned on in an effort to protect your loudspeaker from potential damage.

The initial volume level can be set in the MODE menu. To do so, press the Input selector

knob [1] and move to the second option to adjust the initial volume level.

Use the Volume Knob to set the desired initial volume level. The selected value will

automatically be saved as soon as another menu option is selected or on exiting the

MODE menu.

Once finished adjusting initial volume level, the preamplifier will automatically exit the

MODE menu after approx. 15 seconds or if the Input selector knob [1] is pressed.

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