Plinius P10 User manual

CONGRATULATIONS on your decision to become the proud owner of this

Plinius P10 Power Amplifier.

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 amplifier to reproduce your favourite music faithfully and

accurately. With a little care and a full understanding of the operating recommendations in this manual,

your Plinius P10 Power Amplifier will provide years of high-quality, trouble-free performance.

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

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

IMPORTANT: PLEASE TAKE THE TIME TO READ THIS MANUAL

THOROUGHLY BEFORE USING YOUR AMPLIFIER.

DESIGN PHILOSOPHY

From a distance you can see that the design of the Plinius products is more than an applied styling

exercise to the front panel. We have started from the ground up to produce a casing for our electronics

that is unrivalled in its physical strength and visual simplicity. Wherever possible we have reduced the

number of parts needed and then invested massively in refining and producing the remaining parts to the

highest quality achievable with state of the art computer controlled machines allied with expert craftsman.

Examples of this approach include the hydraulically formed corners on the amplifiers giving much greater

strength and the one piece housing for the remote control unit that eliminates large joints and potential

creaks.

The very process of holding the remote tells you that you are controlling both a powerful and precise

product. It is designed specifically for the act of listening to music, not channel surfing on a television or

changing the room temperature. The distinction is important because we believe that listening to music is

a highly selective and emotional experience that requires a much greater level of concentration and

precision to fully appreciate and enjoy.

As with music that you are not familiar with, truly innovative new designs can take time to understand and

enjoy. How often have you heard music that you were first unsure of, that over repeated listening, has

become a firm favourite. Our designs are fundamentally different to many other companies, and we hope

that you will take the time to explore their unique character and qualities because we have not made them

different simply to be different. We genuinely believe that their visual and tactile qualities do improve the

experience of listening to music and that is our design goal!

Ross Stevens

Design Director.

CONTENTS

Introduction ............................................................................................................................... Page 2

Design Philosophy ..................................................................................................................... Page 3

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

Amplifier Features – Front Panel ............................................................................................... Page 6

Amplifier Features – Rear Panel ................................................................................................ Page 7

Installation and Operation ........................................................................................................... Page 9

Input/Output Connection ........................................................................................................... Page 10

P10 Features ............................................................................................................................ Page 12

Loudspeaker Selection ............................................................................................................. Page 13

Specifications .......................................................................................................................... Page 14

Index ....................................................................................................................................... Page 15

Contact Details ......................................................................................................................... Page 16

PRECAUTIONS

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

• The Plinius P10 Power Amplifier can deliver in excess of 200 watts into 8 ohms. This amplifier is

also capable of a very large peak current delivery.

• The Plinius P10 Power Amplifier operates in Class AB. It is capable of generating heat that could

have an adverse effect on other electronic equipment, furniture, etc. DO NOT leave flammable

material on the amplifier whilst running, as this could pose a serious fire risk.

• This amplifier 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 amplifier 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 amplifier 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

high fidelity loudspeakers) to the amplifier output terminals.

PLINIUS

AMPLIFIER FEATURES – FRONT PANEL

FRONT PANEL LAYOUT SHOWING DISPLAY LED

DISPLAY LED

An LED on the front panel indicates that the power is on. When first switched on, the display LED will

pulse for ten seconds - this is an initialisation sequence, after which the LED remains lit during the time

the amplifier is powered on. Whenever remote trigger is activated the LED will dim.

AMPLIFIER FEATURES – REAR PANEL

This panel incorporates the terminals for connecting the input signal from the preamplifier, outputs to the

loudspeakers, and mains supply.

Please remember that your Plinius P10 Power Amplifier 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 amplifier.

Rear Panel Showing Input And Output Terminals, Remote Trigger,

Ground Lift Switch, Mains Switch And Mains Socket.

MAINS SWITCH

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

OFF. 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.

INPUT TERMINALS

The input terminals for your Plinius P10 power amplifier are easily accessible at the centre of the rear

panel.

RCA INPUTS LEFT & RIGHT: These standard RCA terminals are for use with unbalanced signals from

most signal sources such as audio preamplifiers.

DESIGN ED AN D M ANUFA CTURED IN

NEW ZEALAND B Y

AUDIBLE TECHNOLOGIES LTD

P.O. B OX 1836

PALMERSTONNORTH

RIGH T CHAN NEL FUSES LEFT CHANNEL F USES

MAINS FUSE

REPLACE ONLY

WITH F10AL

ON / OFF

RAIL FUSE S REPLACE ONLY WITH F7.5AL

RCA

XLR

RIGHT OUTPUTS LEFT OUTP UTSINPUTS

UTION:

TO REDUCE R ISK OF ELE CTRI C

S HOCK DO NOT R EM OVE COVER.

NO USER SERVICE

BLEP

RTS INS I D E.

REF ER SERV ICI NG TO QU

LIFIEDSERVICE

PERSONNEL.

UTION

RISK OF ELECTR IC S HOCK

DO NOT OP EN

SSIS

OPEN

GROUND

LIFT

REMOTE

TRIGGER

TERMIN

PLI NI US

P1 0

S T ER EO P OW ER A M PL I FI ER

600VA

SERIAL No. VOLT AGE Hz. POWER

CONSUMPTION

50/

Z258

PUSHPU SH

XLR BALANCED INPUTS LEFT & RIGHT: XLR connectors fitted to this amplifier are for use with balanced

line signals from audio preamplifiers. Balanced signals are carried via a three way cable.

The XLR pin configuration used in all Plinius product is:

PIN 1 to GND

PIN 2 to +Signal

PIN 3 to -Signal

NOTE: Because of the way our XLR and balanced inputs are configured it is not possible to connect both

XLR and RCA at the same time.

INPUT SELECTION SWITCH

This switch at the centre of the inputs is used to select the pair of input sockets required as described

above. Up selects the RCA input connections, while down selects XLR input.

OUTPUT TERMINALS

Connections for the loudspeakers are provided on the left and right sides of the rear panel. Two parallel

pairs of five way binding posts for each channel are fitted – these provide ease of use with bi-wiring and

multiple cables requiring a large contact area.

GROUND LIFT SWITCH

This switch is located below the remote trigger terminals, and 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.

REMOTE TRIGGER TERMINALS

In order to integrate more effectively into a home theatre system, the Plinius P10 has remote trigger

terminals fitted to the rear panel. By connecting a processor with a remote trigger signal to these

terminals, the P10 can be put in and out of standby/mute by the processor to which it is connected.

When in standby/mute the amplifier draws less current and will operate at minimum temperature. The

output relays are also open, disconnecting the loudspeakers. This may be of advantage in a multi-

amplifier and/or remote installations. The standby/mute mode can only be activated via the remote trigger

terminals. Polarity of the connections to the remote trigger is not important.

MAINS POWER CORD IEC SOCKET

This connector is where the mains supply cable from your wall connects to the amplifier. 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 amplifier.

RAIL FUSES

These tubular fuse holders house the positive and negative rail protection fuses. Depress and turn anti-

clockwise to open. An LED is fitted next to each fuse holder to indicate a blown fuse.

INSTALLATION AND OPERATION

PLACEMENT AND VENTILATION

Your Plinius P10 may operate at a moderately high temperature, especially when being driven hard. The

ideal location is upon a rigid stand, or floor mounted away from direct contact with any temperature

sensitive materials or deep pile carpets. Ventilation through and around the amplifier should also be kept

unimpeded, so ensure that the heat vents (slots in the lid and base) are not covered or restricted in any

way.

The Plinius P10 design incorporates a very high level of mechanical de-coupling of the input and output.

It can however still be influenced by acoustical feedback in the operating environment. The use of

acoustic cones, or a suitably spiked amplifier stand or table, may further enhance the performance of this

amplifier. Consult your PLINIUS dealer for further advice if required.

MAINS VOLTAGE CONNECTION

Firstly, check that the mains supply voltage printed on the rear of this amplifier is similar to the mains

supply voltage in your area. If in doubt, please consult your PLINIUS dealer.

Mains supply power connection is via the supplied plug-in lead. A standard IEC socket connects the

mains power at the amplifier end, while a local mains plug is required at the wall end.

The wiring code used inside all Plinius product is:

Green to Earth/Ground

Blue to Neutral

Brown to Phase/Live

Should a ‘local’ plug need fitting to the wall end of the lead, ensure that a suitably qualified service

technician wires the plug correctly.

IMPORTANT: DO NOT POWER UP YOUR AMPLIFIER UNTIL YOU HAVE CONNECTED

YOUR INPUT/OUTPUTS CORRECTLY FOR YOUR SYSTEM, (AS

EXPLAINED IN THE NEXT SECTION).

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