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Contents

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This guide is designed to make installing and using this 

product as easy as possible. Information in this document has 

been carefully checked for accuracy at the time of printing; 

however, Cambridge Audio’s policy is one of continuous 

improvement,  therefore  design  and  specifications  are 

subject to change without prior notice.
This document contains proprietary information protected 

by copyright. All rights are reserved. No part of this manual 

may be reproduced by any mechanical, electronic or other 

means, in any form, without prior written permission of the 

manufacturer. All trademarks and registered trademarks are 

the property of their respective owners.
© Copyright Cambridge Audio Ltd 2012.
Cambridge Audio and the Cambridge Audio logo are 

trademarks of Cambridge Audio.
Other brands mentioned are trademarks of their respective 

owners and are used for reference purposes only.

Introduction ................................................................................................... 3

Important safety instructions ....................................................................... 4

Limited warranty ............................................................................................ 7

Rear panel controls ....................................................................................... 8

Front panel controls ...................................................................................... 8

Rear panel connections ................................................................................ 9

Technical specifications ..............................................................................10

Troubleshooting ...........................................................................................10

2

Summary of Contents for AZUR 551P

Page 1: ...Your music our passion Phone pre amplifier User s manual 2 ENGLISH 551P 651P azur ...

Page 2: ...notice This document contains proprietary information protected by copyright All rights are reserved No part of this manual may be reproduced by any mechanical electronic or other means in any form without prior written permission of the manufacturer All trademarks and registered trademarks are the property of their respective owners Copyright Cambridge Audio Ltd 2012 Cambridge Audio and the Cambr...

Page 3: ...tegrated circuits Both are designed to produce high gain and linearity without requiring massive amounts of negative feedback to achieve low distortion Both models also employ a single ended Class A gain stage with audiophile passive RIAA equalisation High quality components are used throughout such as 1 metal film resistors and close tolerance polypropylene capacitors The 651P uses more exotic am...

Page 4: ...the manufacturer or sold with the apparatus When a cart is used use caution when moving the cart apparatus combination to avoid injury from tip over 13 Unplug this apparatus during lightning storms or when unused for long periods of time Important safety instructions 14 Refer all servicing to qualified service personnel Servicing is required when the apparatus has been damaged in any way such as t...

Page 5: ...d service personnel C Tick mark This product meets the Australian Communications Authority s Radio communications and EMC requirements Gost R Mark This product meets Russian electronic safety approvals FCC regulations NOTE THE MANUFACTURER IS NOT RESPONSIBLE FOR ANY RADIO OR TV INTERFERENCE CAUSED BY UNAUTHORIZED MODIFICATIONS TO THIS EQUIPMENT SUCH MODIFICATIONS COULD VOID THE USER AUTHORITY TO O...

Page 6: ...be operated only from the type of power source indicated on the marking label If you are not sure of the type of power supply to your home consult your product dealer or local power company To turn the unit off switch off at the front panel If you do not intend to use this unit for a long period of time unplug it from the mains socket Overloading Do not overload wall outlets or extension cords as ...

Page 7: ...ltered serial number and or you made a purchase from a Cambridge Audio authorised dealer This Warranty does not cover cosmetic damage or damage due to acts of God accident misuse abuse negligence commercial use or modification of or to any part of the product This Warranty does not cover damage due to improper operation maintenance or installation or attempted repair by anyone other than Cambridge...

Page 8: ...ohm 220pF loading 3 Turntable ground If your turntable has a separate grounding lead then connect here This provides shielding to the arm and the sensitive circuitry in the turntable 4 Cartridge Type selector switch 651P only Match this switch to the cartridge type that your tunrtable uses MM for a moving magnet cartridge or MC for a moving coil cartridge 5 Subsonic Filter 651P only The subsonic f...

Page 9: ...H L R MC Output Cartridge Type Subsonic Filter 12V 0 5 A R L MC MM Off On R L R L R L R L R L MM azur 651P MM MC Phono Pre Amplifier Turntable Ground Designed and engineered in London England Or Turntable Amplifier Power Supply Unit PSU ...

Page 10: ...atio 85dB using Audio Precision RIAA 1 with grounded inputs Input impedance 47kOhm Input capacitance 220pF Overload margin 30dB Crosstalk 20kHz 76dB Dimensions HxWxD mm 46 x 215 x 133 inches 1 8 x 8 5 x 5 2 Weight kg 0 8 lbs 1 8 651P 5W 0 5W MM MC 39dB 55dB 300mV 300mV 3 35mV 0 5mV 0 005 0 002 0 3dB 0 3dB 20Hz 50kHz 20Hz 50kHz subsonic filter off 86dB 72dB 47kOhm 100Ohm 220pF 220pF 30dB 30dB 83dB ...

Page 11: ... properly connected Check all connections are secure There is a loud buzz or hum Check turntable or tone arm for ground and connection lead fault Ensure no connections are loose or defective Ensure that your turntable is not too close to the amplifier Volume is too loud quiet Check cartridge type matches input type If a MC cartridge is connected through the MM inputs volume will be very quiet and ...

Page 12: ...bridge Audio Ltd AP30908 1 Cambridge Audio is a brand of Audio Partnership Plc Registered Office Gallery Court Hankey Place London SE1 4BB United Kingdom Registered in England No 2953313 www cambridge audio com ...

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