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Musical Fidelity KW550 manual

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Table of contents for the manual

  • Page 1

    KW550 KW-SERIES TUBE INPUT INTEGRATED AMPLIFIER INSTRUCTIONS FOR USE Thank you for purchasing the Musical Fidelity KW550 This model uses our finely tuned pre- and power amp lifier techniques to achieve bot h an e xcellent technical specification and unparalleled sound qua lity, using a top quality 6SL7 tube line level preamplifier stage and two mon[...]

  • Page 2

    KW550 CONTENT S Issue 1: A ugust 2006 Page 2 of 14 PAGE Section 3 Safety inform ation - - Mains plug (U.K. only) Modification warning 4 General ad vice - - Installation precau tions User information 5 Disp osal informati on EU disposal informat ion 6 Inst allation - - - - Introduction Installation Audio con nection Cleaning 7 8 Facilities and conne[...]

  • Page 3

    KW550 SAFETY I NFORMATION Issue 1: A ugust 2006 Page 3 of 14 IMPORTANT! (U.K. only) This uni t is suppl ied in the U.K. wi th mains lead fi tted with a m oulded 13 amp plug . If, for any reason, you need to cut off the p lug, please remo ve the fuse holder and dispo se of the pl ug safe ly, out o f reach o f child ren. It must not be plugg ed into [...]

  • Page 4

    KW550 GENERAL ADV ICE Issue 1: A ugust 2006 Page 4 of 14 INSTALLATI ON PRECAUTIONS & USER INFORMATION Your new KW550 i s designed and built to provide trouble- free perform ance, b ut as with a ll ele ctronic dev ices it is necessary to observ e a few precautions : Heed all warni ngs shown o n the back of the produ ct. Only connec t the KW55 0 [...]

  • Page 5

    KW550 ITEM DISPOSAL INF ORMATION Issue 1: A ugust 2006 Page 5 of 14 DI SP OS AL The c rosse d out wheele d bin label that appear s on the back panel of the prod uct ind icate s that t he product m ust not be disposed of a s norm al househol d wa ste. T o prevent pos sible ha rm to the env ironm ent pleas e sepa rate the pr oduct fr om othe r was te[...]

  • Page 6

    KW550 INSTALLATION Issue 1: A ugust 2006 Page 6 of 14 INTRODUCTION Congratulat ions on the pu rchase o f your new KW550 integrated valv e preamp du al mono power am p. Great atten tion has bee n paid to i nternal l ayout, isolating each circu it section to pr event poss ible interact ion. The pream plifie r sec tion s are o ur finely tuned and twea[...]

  • Page 7

    KW550 FACILITIES AND CONNECTI ON Issue 1: A u gust 2006 Page 7 of 14 MAIN UNIT F RONT PANEL 1 2 3 4 5 6 1. VOLUME knob 2. TAPE MONI TOR Button 3. INPUT SELECTO R Buttons and ind icators 4. INFRA- RED LENS 5. FOOT LE D sta tus indica tor (all 4 feet) 6. PDI (Portable Device I nput), 3.5mm jack connector MAIN UNIT REAR P ANEL 7 8 9 10 11 12 13 14 15 [...]

  • Page 8

    KW550 FACILITIES AND C ONNECTION Issue 1: A u gust 2006 Page 8 of 14 POWER SUPPLY FRONT PANEL 1 2 3 1. POWER LED I ndicator 2. POWER m ains on/off sw itch 3. POWER LED Indicator Feet POWER SUPPY REAR PANEL 4 5 6 7 8 9 10 4. POWER OUTPUT Right hand power am plifier 5. POWER OUTPUT Preampl ifie r sect i ons 6. POWER OUTPUT Left h and power am plifier[...]

  • Page 9

    KW550 REMOTE CONT ROL Issue 1: A u gust 2006 Page 9 of 14 The universal remote control shown below enables functions fro m this and related units to be operated from a convenient distanc e. Equi vale nt but to ns on t he r em ote co ntro l have t he sa me f unc tio ns as t hos e on t he fro nt pa nel of the uni t. Ot her funct io ns a re o nly avai[...]

  • Page 10

    KW550 AMPLIFIER CONNECTIONS Issue 1: A u gust 2006 Page 10 of 14 All input, ou tput and pow er connect ions should be made w ith the m ains power switched OFF. INPUT CONNECTIONS Phono: The KW550 has a pair of RCA ty pe phono input sock ets inte nded for u se with moving magnet (MM) or m oving coil (MC) pickups. Som e turntab le/pick up arm com bina[...]

  • Page 11

    KW550 AMPLIFIER OPERATION Issue 1: A u gust 2006 Page 11 of 14 STARTING Once all conne ctions are made, sw itch on the unit, us ing the POWER b utton to the bottom left of the f ront pan el, the front panel of the KW550 and the feet will lig ht indicating that the u nit is on. The fee t glow red to indicate sp eaker ou tputs a re m uted, for abou t[...]

  • Page 12

    KW550 AMPLIFIER PROBLEMS? Issue 1: A u gust 2006 Page 12 of 14 Basic prob lem- solving with an am plifier is s imilar to trouble shooting oth er electric al or elec tronic equipm ent. Alway s check the m ost obvious pos sible c auses fir st, such as the fo llowing examples: Problem Probabl e Cause Remedy No power when POWER button is pressed Mains [...]

  • Page 13

    KW550 AMPLIFIER SPECIFICATI ONS Issue 1: A u gust 2006 Page 13 of 14 Outp ut: Voltage, RM S 70 Volt s 20Hz t o 20 kHz Vol tage, Peak- to-pe ak 201 Volts Pow er 630 W atts per channe l into 8 O hms (28d BW) , 910 Watts per channel into 4 Ohms Cu rrent peak -to-p eak 200 A mps Dampin g factor 200 Outpu t device s per chan nel 12 Pre-out imp edance 50[...]

  • Page 14

    KW550 MANUAL REVI SION Issue 1: A u gust 2006 Page 14 of 14 RELEASE DATE CH ANGES Issue 1 15 th August 2006 1 st issue[...]