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Linn LK140 manual

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Table of contents for the manual

  • Page 1

    LK85/140 STEREO POWER AMPLIFIER OWNER'S MANUAL[...]

  • Page 2

    BLANK[...]

  • Page 3

    Important safety information Explanation of symbols used in this manual and on the product: This symbol is intended to alert the user to the presence of uninsulated dangerous voltages within the enclosur e of sufficient magnitude to cause electric shock. This symbol is intended to alert the user to the presence of important maintenance and servicin[...]

  • Page 4

    ii[...]

  • Page 5

    iii UK USERS PLEASE READ THIS IMPORT ANT SAFETY INFORMA TION Fuse replacement This appliance is fitted with a non-rewir eable 13 Amp mains plug. The plug contains a 5 Amp fuse. If the fuse has blown it can be replaced as follows: a) Pull out the red fuse cover/carrier . b) Remove and dispose of the blown fuse. c) Fit a new 5 Amp BS1362 approved fus[...]

  • Page 6

    C E D ecl arat i on of C on fo rmi ty Linn Products Ltd declare that this product is in conformance with the LowVoltage Directive 73/23/EEC and Electromagnetic Compatibility 89/336/EEC as amended by 92/31/EEC and 93/68/EEC.The conformity of the designated product with the provisions of Directivenumber 73/23/EEC (LVD) is proved by full compliance wi[...]

  • Page 7

    Contents Introduction ........................................ 1 The LK85/140 and music ........................................ 2 Setting up the LK85/140 ........................................ 5 Unpacking ........................................ 5 Positioning ........................................ 6 Connecting .................................[...]

  • Page 8

    Copyright and acknowledgements Copyright © Linn Products Limited. Linn Products Limited, Floors Road, W aterfoot, Glasgow , G76 0EP , Scotland, United Kingdom. All rights reserved. No par t of this publication may be repr oduced, stored in a retrieval system, or transmitted, in any form or by any means, electr onic, mechanical, photocopying, recor[...]

  • Page 9

    Intr oduction W e believe that good music is not a luxury , but a necessity , and we at Linn have dedicated the better part of two decades to making sure that our customers ar e given the best possible experience of the music they love. In other words, we take music seriously , which is why we dedicate ourselves to building hi-fi which sets the hig[...]

  • Page 10

    LINN LK140 The LK85/140 and music The LK85 and LK140 are rugged high output amplifiers designed for ease of use and purity of sound. Y ou can build exactly the system you want, using one or more LK85/140 amplifiers. The LK85 gives 85W per channel into 4 1 , or 62W per channel into 8 1 , and so is ideal for most average-sized rooms. Alternatively , [...]

  • Page 11

    The LK85/140 is dir ect-coupled and servo-controlled to pr oduce the clearest sound and the tor oidal transformer is fully shielded to prevent hum when the amplifier is stacked with other pr oducts. The LK85/140 pr ovides two input sockets to make it easy to daisy chain multi-amplifier systems, allowing you to boost the output power of your system,[...]

  • Page 12

    For more performance, you can use two or thr ee LK85/140s to bi-amp or tri-amp to the loudspeakers, each amplifier driving the bass, midrange, and tr eble signals separately . When bi-amping or tri-amping the highest possible performance can be obtained by removing the passive cr ossover units fr om the loudspeaker and fitting active cr ossover mod[...]

  • Page 13

    Setting up the LK85/140 This chapter explains how to unpack your Linn LK85/140 Ster eo Power Amplifier , and how to install it with your other hi-fi components. Unpacking Before connecting the LK85/140 to the mains supply , you should check the following: • that everything is in the box • that the correct voltage has been selected • that the [...]

  • Page 14

    Replacing the fuse T o replace the fuse, first identify the corr ect fuse for your local voltage. This should be: • 3.15A anti-surge for 230V • 6.3A anti-surge for 115V • 6.3A anti-surge for 100V (Japanese version). Pull open the fuse drawer at the bottom of the mains inlet, insert the fuse in the rear compartment, and close the drawer . Eart[...]

  • Page 15

    Connecting The following diagram shows the connections for the r ear panel of the LK85/140: Connecting the mains supply Connect the LK85/140 to a mains supply using the mains cor d supplied. Note that the LK85/140 should be switched of f before connecting or disconnecting the plug on the r ear panel, or you may generate surges which could damage ot[...]

  • Page 16

    Connecting the speakers The LK85/140 comes equipped with two pairs of speaker output sockets to allow bi-wiring. Alternatively , auxiliary speakers may be connected. Oper ation T o turn on the LK85/140 amplifier , press the power switch on the front panel. Signal detector sensitivity The LK85/140 uses signal sense circuitry to detect the pr esence [...]

  • Page 17

    By-passing the signal detector Depending on its configuration, the LK85/140 will r emain on standby for 10 or 20 minutes after an input signal has been removed. Y ou can override this facility by fitting an internal link which for ces the amplifier to remain on as long as the mains power is connected. Please consult your Linn r etailer for further [...]

  • Page 18

    Guar antee and service This product is guaranteed under the conditions which apply in the country of purchase. In addition to any statutory rights the customer may have, we undertake to replace any par ts which have failed due to faulty manufacture. T o help us, please ask your Linn r etailer about the Linn warranty scheme in operation in your coun[...]

  • Page 19

    T echnical information Specifications Output power 62W per channel into 8 1 , 85W per channel into (230 V ac mains) 4 1 (LK85) 95W per channel into 8 1 , 140W per channel into 4 1 (LK140) Input signal for 685mV rms (LK85) maximum output 870mV rms (LK140) Maximum output 18.5V rms (LK85) voltage 23.5V rms (LK140) Gain x27 (28.6dB) Input impedance 10K[...]

  • Page 20

    12[...]

  • Page 21

    13 A acknowledgements vi active cr ossover modules 4 active playback 4 audio input, connecting 7 B bi-amping 4 bi-wiring 3, 8 C connections 7 audio input 7 mains supply 7 speakers 8 copyright vi F fuse ratings 6 fuse replacement iii, 6 G guarantee 10 I indicator light 2, 8 green 8 red 8 introduction 1 Index L LK85/140 and music 2 M mains plugs i ma[...]

  • Page 22

    T technical information 11 temperature, maximum 9 tri-amping 4 U unpacking 5 14[...]

  • Page 23

    BLANK[...]

  • Page 24

    LK85/140 STEREO POWER AMPLIFIER P ACK 326/1[...]