Musical Fidelity KW250S manual

KW250S INSTRUCTIONS FOR USE Thank you for purchasing the Musical Fidelity KW250S This model uses the very latest DAB/ FM radio text receiver, top quality CD transport, ultra low jitter 24 Bit DAC technology and further jitter reduction techniques to achieve both an excellent technical spe cification and unparalleled DAB/FM/CD sound quality. This is[...]

KW250S CONTENTS Is sue 2: 19 th Ju ne 20 06 Page 2 of 24 PAGE 3 Safety inform ation : - - Mains plug (U.K. only) Modification warning 4, 5 Safety inform ation : - - - Laser product labelling Laser type Radio-frequ ency interference 6 General ad vice : - - Installation precau tions User information 7 General ad vice : - - - - - - Introduction Instal[...]

KW250S SAFETY INFORMATION Is sue 2: 19 th Ju ne 20 06 Page 3 of 24 IM PORTANT ! (U.K . only) This unit is s upplied in the U .K. with mains lead fitted with a mo ulded 13 a mp plug. If, for any reason, you need to cut off t he plug , please remove the fus e holder and dispos e of the plug saf ely, out of reach of children. It must not be plugge d i[...]

KW250S SAFETY INFORMATION Is sue 2: 19 th Ju ne 20 06 Page 4 of 24 CLASS 1 L ASER PRODUC T The KW250S incorpor ates a CD player which has been designed and manufactured according to FDA regulations " title 21, CFR, chapter 1, s ub-chapter J, bas ed on th e Radiati on Control for Heal th and Saf ety Act of 1968", an d is class ified as a C[...]

KW250S SAFETY INFORMATION Is sue 2: 19 th Ju ne 20 06 Page 5 of 24 LASER IN FORMAT ION: Optical pick-up : Manufacturer : Sharp Pick-u p type : GH 6C005B Waveleng th : 780nm RADIO - FREQUENCY I NTERFEREN CE (RFI) This equipment uses and can radiate radio frequen cy energy, and if not installed and operated in accordan ce with the instructio ns , may[...]

KW250S GENERAL INST ALLATION Is sue 2: 19 th Ju ne 20 06 Page 6 of 24 INSTA LLATION PRECAUTIO NS and USER INFORMA TION Your new KW250S is des igned and built to provide trou ble-free perf ormance, but as wi th all electronic devices it is necessary t o observe a f ew precautions: Heed all warning s shown on the back of the product. Only connect the[...]

KW250S GENERAL INST ALLATION Is sue 2: 19 th Ju ne 20 06 Page 7 of 24 INTRODUCT ION Congrat ulation s on the purch ase of you r new KW250S integrated CD/DAB/FM/P RE and dual mono power amp. The KW250S is one of the m ost comprehensive fully integrated Hi-Fi designs ever made, and, en closes the best elements out of all our separates in to one conv [...]

KW250S FACILITIES AND C ONNECTION Is sue 2: 19 th Ju ne 20 06 Page 8 of 24 FRONT PANEL 1 2 3 4 5 6 7 8 9 1. DAB/FM T uning knob 2. DISPLAY (incorporates remote con trol IR receiver) 3. CD drawer 4. VOLUME knob 5. POWER mains on/off switch 6. CD funct ion b utto ns 7. TUNER function button s 8. AMP LIFIER function buttons 9. PDI (Portable De vice In[...]

KW250S REMOTE CONTROL Is sue 2: 19 th Ju ne 20 06 Page 9 of 24 The remote cont rol shown below enables functions to be operated from a convenient distance. Equi vale nt but tons on t he r emo te co ntro l have t he sa me fu nctio ns as t hose o n the front pan el of the uni t. Othe r fu nctio ns a re o nl y available by remote con trol. As the hand[...]

KW250S CD BASIC OPE RATION Is sue 2: 19 th Ju ne 20 06 Page 10 of 24 NO DI SC STOP 7 41:56 PLAY 1 0:01 PAUSE 1 0:03 STOP 7 PLAY 1 PLAY 1 7 PLAY 17 0:01 LOADING AND PLAY ING COMPACT DISCS Select CD fu nctio n by pr essin g CD bu tton und er AMPLIFI ER heading to the right of the front panel, the CD button on the remote does the same. To load a disc,[...]

KW250S CD SPECIAL FE ATURES Is sue 2: 19 th Ju ne 20 06 Page 11 of 24 PLAY 1 0:12 repeat t rack PLAY 1 0:24 repe at disk PLAY 1 0:34 repeat a - PLAY 1 1:55 repeat a -b PLAY 1 0:34 shuffl e disc PLAY 7 0:39 repeat s huff le STOP 7 4 scan int ro STOP 7 4 progra m 1 track 0 STOP 7 4 progra m 1 track 0 STOP 7 4 progra m 1 track 3 REPEAT P LAY BACK The [...]

KW250S CD SPECIAL FE ATURES Is sue 2: 19 th Ju ne 20 06 Page 12 of 24 INVALI D TRAC K progra m 2 track 9 PLAY 1 0:41 play pro gram Conti nue e nteri ng trac k nu mbe rs in the sa me wa y up to a maximum of 25. If more than 25 tracks are attempted the memory will not accept any extra ones, and the displa y reverts to “ prog 1 ”. Remember that wh[...]

KW250S CD PROBLEMS? Is sue 2: 19 th Ju ne 20 06 Page 13 of 24 Basic problem-solving with a CD player is similar to troubleshooting other electrical or electronic equipment. Always check the most obvious possible causes first, such as the followin g examples: Problem Pr obable Cause Remedy No power when POWER button is pressed Power plug is not inse[...]

KW250S DAB FUNCTION BUTTONS Is sue 2: 19 th Ju ne 20 06 Page 14 of 24 BBCWor ld Ser vice BBC Nati onal D AB AUTO TUNE QUICK SCAN ™™™™™™ ™™™™ ™™™™™™ 0 Search ing. .. ™™™™™™ ™™™™ ™™™™™™ 1 BBC Radi o 1 BBCWor ld Ser vice BBC Nati onal D AB BBCWor ld Ser vice <Empty p rese t 1> BBCWo[...]

KW250S DAB FUNCTION BUTTONS Is sue 2: 19 th Ju ne 20 06 Page 15 of 24 INFO Display s the curren t broadcast inform ation in the following ord er: - DAB program me text - Music Ty pe - Network nam e - Date and tim e (as t ransmitted by network ) - Transm ission m ode and bit rate - Ensem ble and frequency - Signal Strength - Returns to top of t his [...]

KW250S FM FUNCTION BUTTONS Is sue 2: 19 th Ju ne 20 06 Page 16 of 24 105. 80MHz FM PS: F M Radio 1 PS: F M Radio 1 PS: F M Preset 1 empty PS: F M Radio 1 PS: F M Preset 1 saved AUTO-TUNE To auto se arch stat ions, press the AUTO TUNE button. The tuner will se arch upwards th rough th e FM band and pick out the ne xt statio n for y ou. If pressed an[...]

KW250S TUNER PROBLEMS? Is sue 2: 19 th Ju ne 20 06 Page 17 of 24 Basic prob lem-solv ing with a tuner is sim ilar to tr oubleshoot in g othe r electr ical or electroni c equipment. Alw ays check the most obv ious pos sible c auses firs t, such as th e fol lowing examples: Problem Probabl e Cause Remedy No power when POWER button is pressed Mains po[...]

KW250S AMPLIFIER CONNECTIONS Is sue 2: 19 th Ju ne 20 06 Page 18 of 24 All input, ou tput and pow er connections should be made w ith the m ains power switched OFF. INPUT CONNECTIONS Phono: The KW250S has a pair of RCA type p hono input sock ets inte nded for u se with m oving m agnet (MM) or m oving coil (MC) pickups. Som e turntab le/pickup arm c[...]

KW250S AMPLIFIER OPERATION Is sue 2: 19 th Ju ne 20 06 Page 19 of 24 KW250S v1.0 PHONO MM PHONO MC AUX1 OPT ICAL AUX1 COA XIAL AUX2 ANAL OG AUX2 COA XIAL KW250S v1.0 STARTING . . . . Once all conne ctions are made, sw itch on the u nit, usin g the POWER b utton to t he bottom left o f the fron t panel, the fron t panel of the KW250S- the blue disp [...]

KW250S AMPLIFIER OPERATION Is sue 2: 19 th Ju ne 20 06 Page 20 of 24 availab le. Please refer to y our porta ble device ’s manual , for more de tail s Note: P lease note the sockets PD I at the front and AUX2/PD I at the back ar e electr ically conn ected together: If the front PD I socket is used, p lease ensure you disconnect any d evices and w[...]

KW250S AMPLIFIER PROBLEMS? Is sue 2: 19 th Ju ne 20 06 Page 21 of 24 Basic prob lem- solving with an amplif ier i s sim ilar to trouble shooting other ele ctric al or elec tronic equ ipment. Always check the m ost obv ious possib le cause s first, such as th e follow ing exam ples: Problem Probabl e Cause Remedy No power when POWER button is presse[...]

KW250S CD, DAC & TUNER SPECIFICATIONS Is sue 2: 19 th Ju ne 20 06 Page 22 of 24 CD: Disc mechanism Philips Total correlated jitter < 135 pS DAC: DAC cir cuits 24 bit Delta- Sigm a (Bit stre am) dual di ffere ntial 8x ov er sam pling Up sampli ng 192 kHz Total correlated j itter < 135 pS L i n e a r i t y < 0 . 1dB down to -96dB Output [...]

KW250S AMPLIFIER SPECIFICATIONS Is sue 2: 19 th Ju ne 20 06 Page 23 of 24 Output: Power 250 Watts pe r channe l into 8 Ohm s (24dBW ), 400 Watts per channel into 4 Ohm s Vo ltage, RMS 45 Vol ts 20Hz to 20 kHz Voltage, P eak-to-p eak 127 . 3 Volts Curre nt peak-t o-peak 75 Am ps Dam ping factor 140 Output de vices per cha nnel 4 Pre-out im pedanc e [...]

KW250S MANUAL REVISION Is sue 2: 19 th Ju ne 20 06 Page 24 of 24 RELEASE DATE CHANGES Issue 1 1 st June 2006 [1 st releas e] Issue 2 19 th June 2006 Presenta tion updat ed.[...]