Primare A31.2 Bedienungsanleitung

>Primare A31.2 Amplifier User Guide

>Preface

Primare Systems AB

Idavägen 17D

SE-352 46 Växjö

Sweden

The information in this guide is believed to be correct as of the date of

publication. However, our policy is one of continuous development and so

the information is subject to change without notice, and does not represent a

commitment on the part of Primare Systems AB.

Primare is a trademark of Primare Systems AB. All other product names are

trademarks or registered trademarks of their respective owners.

Warning: To prevent ﬁre or shock hazard, do not expose this unit to rain or

moisture.

Dangerous voltages inside. Do not open the cabinet. There are no user

serviceable parts inside. Repairs should be carried out by qualiﬁed service

personnel only.

FCC Warning: This equipment generates and can radiate radio frequency

energy and if not installed and used correctly in accordance with our

instructions may cause interference to radio communications or radio and

television reception. It has been type-tested and complies with the limits set out

in Subpart J, Part 15 of FCC rules for a Class B computing device. These limits

are intended to provide reasonable protection against such interference in

home installations.

EEC: This product has been designed and type-tested to comply with the limits

set out in EN55013 and EN55020.

This guide was produced by Human-Computer Interface Ltd,

http://www.interface.co.uk

iii

Contents

Introduction

W E L C O M E T O T H E A 3 1 . 2 A M P L I F I E R ............ (1

USING THE A31.2 WITH OTHER PRIMARE

P R O D U C T S ............................................................... (2

T E C H N I C A L S P E C I F I C A T I O N .............................. (2

Connecting the A31.2 Amplifier

B A C K P A N E L C O N N E C T I O N S ........................... (3

P O W E R C O N N E C T I O N ........................................ (4

O U T P U T S .................................................................... (4

I N P U T S ........................................................................ (4

Index

>Preface

Introduction

Welcome to the Primare A31.2 Ampliﬁer! This chapter introduces you to its key

features, and explains how you can take advantage of its impressive power

handling and superb sound in your system.

WELCOME TO THE A31.2 AMPLIFIER

The A31.2 is a modular power ampliﬁer designed as the ideal output stage in

a home theatre or hi-ﬁ system.

Modular design

The A31.2 is designed as two independent blocks, each with a separate

transformer and power supply, for the ultimate in stability and channel

separation.

Generous power handling

Each section of the A31.2 delivers 120 Watts into 8Ω, giving sufﬁcient power

reserves for home cinema or the reproduction of recorded music. An over-

dimensioned heat sink gives excellent thermal dissipation.

Superb quality

The A31.2 delivers its power at an outstanding quality level, making it as

suitable for reproducing high quality recorded music as for home cinema.

The A31.2 also provides the option of balanced XLR inputs, for extremely low

noise when used in conjunction with a preampliﬁer that provides balanced

outputs.

Remote power on/off

For convenience the A31.2 can be powered on and off via a remote link

cable, avoiding the need to switch it on or off separately from the preampliﬁer

in the system.

USING THE A31.2 WITH OTHER PRIMARE

PRODUCTS

Although the A31.2 is ﬂexible enough to act as the output stage in virtually

any system, it is ideal for use with other products in the Primare range, such

as the Primare P30 Processor. The A31.2 can be used as a building block in

conjunction with the Primare A30.3 and A30.5 to create modular systems with

any desired number of matched output stages, and one or more A30 Series

ampliﬁers can be powered on or off remotely from a P30 using the remote link

connections.

>Introduction

TECHNICAL SPECIFICATION

Output power per channel 120W into 8Ω, 200W into 4Ω

Output impedance <0.03Ω

Line inputs 1V for 120W into 8Ω

XLR inputs 2V for 120W into 8Ω

Input impedance 11kΩ

Frequency response <10Hz – 100kHz, -3dB

THD <0.08%

Signal-to-noise, line -100dB

Power consumption 800W

Dimensions (WxDxH) 430 x 385 x 100mm

Weight 16kg

Connecting the A31.2 Amplifier

This chapter explains how to connect the A31.2 to the other components in your

system, using the connections on the back panel.

]D Right XLR balanced input.

]E Right phono input.

]F Remote link sockets.

]A Right loudspeaker outputs.

]B Remote link switch.

]C Left loudspeaker outputs.

]G Left phono input.

]H Left XLR balanced input.

]I Mains power input and fuse.

RIGHT SPEAKER

+ –

LEFT SPEAKER

– +

RIGHT INPUTS

REMOTE SW

REMOTE LINK

LINK

LEFT INPUTS

]D ]E ]F ]H]G ]I

]C]B]A

BACK PANEL CONNECTIONS

>Connecting the A31.2 Ampliﬁer

POWER CONNECTION

Warning: Before connecting power check that the required supply voltage,

indicated on the back panel, corresponds to your local AC supply. If a

different voltage is stated on the type plate do not connect the ampliﬁer to the

mains power, and seek advice from your dealer.

Connect the mains power using the enclosed mains cable.

Note: Always disconnect the ampliﬁer from the mains power before

connecting or disconnecting any of the cables.

OUTPUTS

Loudspeaker outputs

Connect the left and right loudspeakers to the corresponding terminals. The

terminals can accept speaker cables terminated with 4mm banana plugs,

spade terminals, or bare wires. To connect bare wires unscrew the terminal,

pass the bare wire through the hole in the terminal bolt, and clamp the wire in

place by screwing the terminal back down.

INPUTS

Connect the A31.2 to the preampliﬁer or processor using either the left and

right phono inputs, or the left and right XLR inputs. If you are using the phono

inputs use high quality stereo phono leads. If you are using the XLR inputs use

balanced XLR cables.

REMOTE LINK

To power the A31.2 on and off remotely from a Primare P30 Processor

connect the REMOTE output from the P30 Processor to one of the REMOTE

LINK sockets on the A31.2, using a twin core cable terminated in 3.5mm

jack plugs. The second REMOTE LINK socket can be used to daisy-chain the

remote output to further A30 series ampliﬁers.

To use the remote link switch the REMOTE SW switch to the LINK position.

Index

back panel connections............................. 3

balanced inputs........................................ 4

connections.............................................. 3

inputs...................................................... 4

outputs .................................................... 4

loudspeakers....................................... 4

P30 Processor, use with............................. 4

remote link............................................... 4

REMOTE switch........................................ 4

technical speciﬁcation............................... 2

XLR inputs................................................ 4

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