Plinius CD LAD Manual de usuario

D⋅

⋅⋅⋅

⋅

⋅⋅⋅L

Audio Preamplifier

INSTRUCTION

MANUAL

CONGRATULATIONS

CONGRATULATIONSCONGRATULATIONS

CONGRATULATIONS on your decision to become the proud owner of this

Plinius CD⋅LAD Preamplifier.

This manual has been prepared to help you understand the operation of your amplifier, and to provide

information about its design and the variety of ways it may be used.

We have designed and manufactured this preamplifier to reproduce faithfully and accurately, your

favourite music. With a little care and a full understanding of the operating recommendations in this

manual, your Plinius CD⋅LAD Preamplifier will provide years of high-quality, trouble-free performance.

Serial Number: ..................................................................................

Date of Manufacture: ..................................................................................

Final Test Certified By: ..................................................................................

IMPORTANT: PLEASE TAKE THE TIME TO READ THIS MANUAL

THOROUGHLY BEFORE USING YOUR PREAMPLIFIER.

CONTENTS

Introduction ..................................................................................................................................Page 3

Precautions ...................................................................................................................................Page 5

Preamplifier Features – Front Panel ............................................................................................. Page 6

Preamplifier Features – Rear Panel .............................................................................................. Page 7

Preamplifier Features – Remote ...................................................................................................Page 9

Installation and Operation ............................................................................................................ Page 11

Input/Output Connection ............................................................................................................. Page 12

Settings Menu Structure .............................................................................................................. Page 14

CD⋅LAD Features ......................................................................................................................... Page 17

Specifications ............................................................................................................................. Page 19

Index .......................................................................................................................................... Page 20

Contact Details ........................................................................................................................... Page 21

PRECAUTIONS

Please take special note of the following precautions before operating your new preamplifier:

•This preamplifier operates at hazardous voltage levels. We recommend that any work requiring

removal of the lid be referred to a suitably qualified and experienced service technician.

•DO NOT attempt to connect any input of this preamplifier to its own outputs.

•DO NOT earth any output terminal or connect any of these terminals together without following the

instructions in this manual or seeking qualified assistance.

•DO NOT place this preamplifier in any position where liquids or any foreign material may

accidentally enter it.

•DO NOT connect any voltage source, short circuit, earth/ground or appliance (other than suitable

audio power amplifiers) to the preamplifier output terminals.

•DO NOT connect any voltage source, short circuit, earth/ground or appliance (other than suitable

audio source components) to the preamplifier input terminals.

PREAMPLIFIER FEATURES – FRONT PANEL

The front of the Plinius CD⋅LAD Preamplifier incorporates all the facilities

you will require on a daily basis.

RONT

ANEL

AYOUT

HOWING

OLUME

NOB

, V

ACUUM

LUORESCENT

ISPLAY

, M

ENU

UTTONS

ISPLAY

LED

DISPLAY LED

An LED below ‘PLINIUS’ indicates when the preamplifier is in standby mode. This LED also lights to show

whenever the remote control is being used to change the volume level.

FRONT PANEL BUTTONS

These four buttons are used to change source selection, phase, mute, or access the menu system of the

CD⋅LAD (for adjustment of display brightness, CD input mode, balance etc). The functions Down, Enter,

and Up are only active whilst the menu system is enabled (See Settings Menu Structure section later).

VACUUM FLUORESCENT DISPLAY

Whenever a modification is made to the CD⋅LAD settings (via the remote control or the front panel

buttons) these changes will be viewable on the display.

VOLUME CONTROL KNOB

The volume control is an ALPS motorised unit that will accurately convey the selected source signal to the

line stage of the Plinius CD⋅LAD. When using the remote control to alter the volume level, stab the button

to make small adjustments, or hold the button down to continuously adjust the volume.

PLINIUS

PHASE

ENTER

MUTE

DOWN

SOURCE

CD LAD

PREAMPLIFIER FEATURES – REAR PANEL

This panel incorporates all the terminals for connecting the input signals from your CD player, tuner, etc,

and the outputs to the power amp and mains supply.

Please remember that your Plinius CD⋅LAD Preamplifier is a high quality electronic instrument capable of

an exceptional level of performance. Be sure that you understand your system’s requirements fully before

you make any connection to this preamplifier.

EAR

ANEL

HOWING

NPUT

UTPUT

ERMINALS

, G

ROUND

IFT

WITCH

, M

AINS

WITCH

AINS

OCKET

INPUT TERMINALS

The input terminals of your Plinius CD⋅LAD Preamplifier are easily accessible along the rear panel. These

standard RCA terminals are for use with single ended signals from line level audio components such as

CD, tuner, video, etc. Also included is one pair of balanced XLR inputs for use with XLR type cables.

Consult your PLINIUS

PLINIUSPLINIUS

PLINIUS dealer for further advice if required.

OUTPUT TERMINALS

Connections for power amplifiers are provided in the centre of the rear panel. Connections are available

for both single ended (RCA type) and balanced (XLR type) cables. Note that the only time the outputs

aren’t ‘live’ is when the preamplifier is in mute or standby.

CHASSIS

OPEN

LIFT

LINE 1 LINE 2 OUTPUTS

RIGHT LEFT

C.D.

PUSHPUSHPUSH PUSH

CAUTION:

TO REDUC E RISK OF

ELECTRICALSHOCK DO NOT REMOVE

COVER. NO USER SERVICEABLE

PARTS INSIDE. RE FER SERVICING TO

QUALI FIED SERVI CE PERSONN EL.

RISKOF ELECTRICAL SHOCK

DO NOTOPEN

CAUTION

MAINS FUSE: REPLACE

ONLY WITH SAME TYPE

DESIGNED AND MANUFACTURED IN

NEW ZEALAND BY

AUDIBLE TECHNOLOGIES LTD

P.O. BOX 1836

PALMERSTO N NORTH

SERIAL No. VOLTAGE Hz POWER

CONSUMPTION

50/

10 0 V / A

PLINIUS CD LAD

GROUND LIFT SWITCH

This switch allows the signal ground to be disconnected from the chassis. In some installations a hum

loop may exist due to duplicate ground paths from different equipment. Use this switch to remove the

connection from 0V to ground thus allowing some flexibility in your particular set-up.

MAINS SWITCH

The heavy-duty rocker switch to the right of the panel turns the Mains/Line Power to the amplifier ON or

OFF. Depress the right hand side of the switch to turn the amplifier on. The amplifier draws a moderately

high current when switched on, so it is not good practice to rapidly turn the Mains switch on and off

repeatedly.

MAINS POWER CORD IEC SOCKET

This connector is where the mains supply cable from your wall connects to the preamplifier. You will

notice that a fuse holder is mounted within this connection, and it holds a mains fuse to provide surge and

overload protection for your preamplifier.

EARTH POST

This is a chassis connected gold-plated earth post for use with certain phono turntables.

PREAMPLIFIER FEATURES – REMOTE

The Plinius CD⋅LAD Remote provides access to most of the

controls you will require on a daily basis.

PLINIUS

STANDBY

DISPLAY PHASE

LINE 2

LINE 1C.D.

LEFT BYPASS RIGHT

BALANCE

EMOTE

ONTROL

HOWING

UNCTION

UTTONS

VOLUME CONTROL

Use these two buttons to control the volume level of the preamplifier. The middle top button increases

volume, while the button directly below it decreases the volume. Stab either button to make fine

adjustments to the volume level. Hold down either button to continually adjust the volume level.

MUTE

Use this button when you require the preamplifier to mute the output from the preamplifier. Pressing the

button again brings the preamplifier back out of mute.

PHASE

The phase of the input signal to the preamplifier is switched from absolute to inverted 180°with each

press of this button.

STANDBY

Standby disconnects the outputs of the preamplifier and turns off the vacuum fluorescent display tube. It

is recommended that whenever the Plinius CD⋅LAD is left switched on but not in use, the standby function

be implemented to increase the life of the display tube.

DISPLAY

The display button on the remote enables you to quickly adjust the display brightness to one of three

levels. Depressed once and the display brightness falls to zero. Another press and full brightness is set -

once more and the display reverts to the current user preset level. This user level is set using the menu

buttons on the front panel as described later in the ‘Settings Menu Structure’ section. Note that if the

brightness is set to zero, any button press will bring the brightness back to the current user setting so the

screen can be read.

SOURCE SELECTION

The Source button toggles the input selected between CD, Line 1 and Line 2.

BALANCE CONTROL

These three buttons control the signal level between left and right channel. Use the buttons labelled left

and right to set the channel balance where you require it. Depress the middle button to enable your preset

balance setting (balance enabled). Depress the middle button again to disconnect the balance control

circuit (balance bypassed) and centre both channels.

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