Musical Fidelity A5 User's Manual
Contents
1. but as with all electronic devices it is necessary to observe a few precautions Heed all warnings shown on the back of the product Only connect the A5 DAB FM tuner to a mains outlet having the same voltage as marked at the back of the unit Always ensure that when disconnecting and reconnecting your audio equipment the mains supply is switched off Position the mains lead and signal interconnects where they are not likely to be walked on or trapped by items placed on them Do not use near water or place water filled containers on the tuner unit for example a flower vase or potted plants If water does spill inside immediately pull out the mains plug from the wall socket and inform your dealer who should then check the unit before further use Entry of liquid into the tuner is dangerous and may cause electric shock or fire hazard Do not place the unit near direct heat sources such as radiators direct sunlight or other equipment Do not remove any covers or try to gain access to the inside There are no internal adjustments or fuses you can replace yourself Refer all service work to an authorised Musical Fidelity agent Note Unauthorised opening of the equipment will invalidate any warranty claim Dust regularly with a soft cloth or soft brush but be careful when using cleaning or polishing agents they may harm the surface finish The electronics in modern hi fi equipment is complex and may therefore be adversely affected2. dynamic range and extraordinary resolution of fine detail To cater for later upgrades both DAB and FM are available from the optical and coaxial digital outputs for connection to an external DAC of your choice INSTALLATION Position the tuner on a stable horizontal surface where there is no risk of it being knocked or subjected to vibration All input output and power connections should be made with the mains power switched OFF Issue 1 Wednesday 01 March 2006 AS DAB FM Tuner AUDIO CONNECTION The tuner should be connected to a suitable pre amplifier or integrated amplifier input by audio cables with RCA phono type plugs These link the left and right AUDIO OUTPUT sockets on the rear panel of the AS DAB FM Tuner to the tuner or other suitable line level input sockets on the amplifier Do not use any amplifier sockets intended for vinyl phono cartridge input as the sensitive circuit will overload producing a severely distorted sound If desired the unit can be attached to an external DAC of your choice The unit outputs COAX and OPTICAL digital signal stream at A48kHz NOTE The digital output works for both DAB and FM bands AERIAL ANTENNA For ease of installation a tri band aerial is supplied with the unit This covers the FM DAB II III and L bands and picks up sufficient signal for most domestic purposes The aerial is plugged into the tri band antenna F connector at the rear of t
3. the aerial Remote control does not work Tuner s POWER switch is set Set switch to on to off One or more batteries fitted the Insert batteries correctly wrong way round Batteries are flat Change batteries do not mix old and new ones Remote control is not pointed Ensure there is no obstruction directly towards the front panel between the remote control and of the tuner player tuner Remote control range has Batteries are running out Change batteries do not mix greatly reduced old and new ones If none of these actions affect a cure please contact your dealer or an authorised Musical Fidelity service agent Remember never open the case of the A5 DAB FM tuner yourself as this will invalidate the guarantee Issue 1 Wednesday 01 March 2006 AS DAB FM Tuner Instructions for use Page 9 of 12 A A5 DAB FM Ce ee TUNER SPECIFICATIONS DAB Specifications DAB modes Supports modes I H II IV VHF 174 240 MHz RF frequency range L Band standard and Canada 1452 1492 MHz VHF measurement to EN50248 96 97 dBm Sensitivity L Band measurement to EN50248 95 96 5 dBm L band after error correction 15 dBm Maximum Input Signal for Pseudochannel BER with real value 0 02 Band III after error correction 0 dBm Adjacent Channel Selectivity 32 33 dBm Measured to EN50248 Far off selectivity measurement to EN50248 45 48 dBm Acquisition sensitivity 101 dBm Input Impedance 50Q F type
4. AS DAB FM TUNER DAB FM Tuner with Remote Control MUSICAL FIDELITY INSTRUCTIONS FOR USE Thank you for purchasing the Musical Fidelity A5 DAB FM Tuner The A5 DAB FM Tuner uses the latest technology in Digital Audio Broadcast receiver circuitry coupled with a high quality FM tuner and valve output stage to give top quality reception of both analogue and digital stations The FM section also features RDS and radio text Both DAB and FM programmes are extracted digitally and up sampled to 192kHz sampling rate which allows the DAC to give better aliasing rejection resulting in clearer more decisive sound from DAB as well as FM The audio output uses a 6922 dual triode valve per channel to give the soothing valve sound to all your favourite stations Aesthetically the AS DAB FM Tuner is a perfect match for other products in the Musical Fidelity A5 Series Together these components form one of the finest hi fi systems available Dust regularly with a soft duster or soft brush but be careful when using cleaning or polishing agents they may harm the surface finish MUSICAL FIDELITY Issue 1 Wednesday 01 March 2006 AS DAB FM Tuner Instructions for use Page 1 of 12 A SAFETY INFORMATION IMPORTANT U K only This unit is supplied in the U K with a mains lead fitted with a moulded 13 amp plug If for any reason you need to cut off the plug please remov
5. FURTHER INFORMATION TRIBAND ANTENNA THIS PRODUCT COMPLIES WITH DHHS RULES 21 CFR CHAPTER 1 SUBCHAPTER J PART 10140 AT DATE OF MANUFACTURE THIS PRODUCT COMPLIES WITH PART 15 OF THE FCC RULES OPERATION IS SUBJECT TO TWO CONDITIONS THIS DEVICE MAY NOT CAUSE HARMFUL INTERFERENCE AND 2 THIS DEVICE MUST ACCEPT ANY INTERFERENCE RECEIVED INCLUDING INTERFERENCE THAT MAY CAUSE UNDESIRED OPERATION v DATE OF MANUFACTURE ce SERIAL NUMBER PESAS ELEF ETIS EA IN UWE UU VU R SU M 3 4 REAR PANEL 1 COAX digital output 4 PHONO line out RIGHT 2 OPTICAL digital output 5 PHONO line out LEFT 3 E TYPE connector for DAB and FM aerial 6 IEC Mains inlet socket Issue 1 Wednesday 01 March 2006 AS DAB FM Tuner Instructions for use Page 4 of 12 E REMOTE CONTROL REMOTE CONTROL The upper group of buttons on the remote control enable main functions of the tuner to be operated from a convenient distance Remaining buttons on this universal handset are for use with other Musical Fidelity products and have no effect on the A5 DAB FM tuner Equivalent buttons on the remote handset have the same functions as those on the front panel of the unit As the remote control uses an invisible infra red light beam the transmitter must be pointed directly towards the display window on the front of the amplifier without visual obstruction b
6. Standard accessories Telescopic tri band aerial with F plug connector Remote control handset universal type with DAB 2 batteries size LRO3 or AAA manganese alkaline type IEC mains lead 10 Amp type Musical Fidelity reserves the right to make improvements which C may result in specification or feature changes without notice Issue 1 Wednesday 01 March 2006 AS DAB FM Tuner Instructions for use Page 10 of 12 A5 DAB FM TUNER Operating Frequency SPECIFICATIONS wW o Ny 98 00 S7 i 82 00 E E S H wo wo g A E O ai 8 H A a lt L E v Pi zZ H e g8 o0o 9 E N i f o X R C1 612 2 N pe i F PLUG E E FM Band 88 108MHz Band M 174 240MHz L Band 1452 1492MHz Gain FM amp Band Il 2dBi L Band 5dBi Impedance 75Q S W R 2 0 1 Resonate Freq Polarization Vertical Connector F type Operating Temperature Storage Temperature Length Mechanical Fixation Issue 1 Wednesday 01 March 2006 A5 DAB FM Tuner 20 C_to 65 C 30 C_to 75 C Sleeve Length 36mm Compression Length 153 10mm Total Extension Length 646 10mm 180 Swivel Instructions for use Page 11 of 12 a REVISION HISTORY RELEASE DATE CHANGES Issue 1 1 March 2006 1 release Issue 1 Wednesday 01 March 2006 AS DAB FM Tuner Instructions for use Page 12 of 12
7. connector to VHF L Band diplexer FM Specifications RF Frequency Range 87 5 108 MHz RF Sensitivity S N N 26dB 90MHz 22 5KHz 5uV Dev F mod 1 KHz RF Limiting Sensitivity 0 5 uV S N N Ultimate signal to noise ratio 63 dB 90MHz 200mV 22 5KHz Dev Fmod 1KHz THD 90MHz 200mV 75KHz Dev Fmod 1KHz 0 5 Stereo Channel Separation 30 dB RDS data CENELEC EN50067 compliant DAC and Output Specifications DAC circuits 24 bit Delta Sigma Bitstream dual differential 8x oversampling Up sampling 192 kHz Total correlated jitter lt 135 pS Linearity lt 0 1dB down to 96dB Output Circuits Valve tube buffer stages Audio output at digital 0dB level 2 15VRMS at 1 kHz nominal Analog output impedance 47 Ohms Frequency response 10Hz to 20 kHz 0 2dB max Channel separation gt 105dB 20Hz to 20 kHz Signal noise ratio gt 113dB A weighted Total harmonic distortion lt 0 003 10Hz to 20 kHz Aerial input 1 F type female with securing thread DAB FM Analog output 1 pair RCA connectors Digital outputs 1 optical Toslink 48 kHz 1 S PDIF RCA connector 48kHz Power requirements 100 115 230V AC 50 60Hz factory preset 30 Watts 440mm 17 3 inches wide 126mm 4 9 inches high including feet 379mm 14 9 inches deep including rear terminals and on off button Dimensions approximate Weight 8 8 kg 11 8kg 19 5 lbs unit only un boxed 26 lbs in shipping carton
8. e TUNE up down buttons to cycle through the options and the SELECT button to choose displayed option Menu options available for FM are System reset RESETS all presets and tuning to 87 50MHz beginning of FM Band Customer Version Current software version Instructions for use Page 8 of 12 SCS PROBLEMS Basic problem solving with a tuner is similar to troubleshooting other electrical or electronic equipment Always check the most obvious possible causes first such as the following examples Problem Probable Cause Remedy No power when POWER Mains power plug is not Plug in securely button is pressed inserted fully into rear socket No audio output Mute function is still selected Cancel mute function on the pre on the pre amp or amplifier amp or amplifier Tape monitor function on the Cancel tape monitor function on pre amp or amplifier has been the pre amp or amplifier selected accidentally Speakers not connected or Check speaker cables incorrectly wired Excessive background noise Position of aerial incorrect Reposition aerial hiss or crackle on FM Aerial signal strength Consider a rooftop DAB FM Audio cuts out on DAB insufficient aerial see P 6 Aerial Antenna Tuner does not display FM Tuned station does not transmit RDS information feature RDS station name and or text the RDS feature therefore unavailable Signal insufficient to receive Try repositioning the whip aerial RDS if used Improve
9. e list of receivable broadcasts in your area When the required station is displayed press the SELECT button to listen See the section on the PRESET buttons to store favourite stations for easy recall PRESET UP and PRESET DOWN PRESET UP DOWN buttons are used to select one of ten DAB preset memory locations Press select when the desired preset is displayed STORE It is possible to store favourite stations in preset memory locations using the STORE button as follows 1 Tune to the station required Press PRESET UP DOWN buttons until the desired preset is displayed Press the STORE to accept this preset The display revert to the selected station Issue 1 Wednesday 01 March 2006 AS DAB FM Tuner DAB BUTTON FUNCTIONS Note this will overwrite any station stored previously on this preset Briefly pressing the button will display current preset without storing There are 10 presets available for programmes on the DAB band in addition to the 10 provided for FM Presets are remembered even if the unit is switched off MONO STEREO remote only This button has no function when in DAB mode INFO Displays the current broadcast information in the following order DAB programme text Music Type Network name Date and time as transmitted by network Transmission mode and bit rate Ensemble and frequency Signal Strength Returns to top of this list MENU DAB options Press MENU to access me
10. e the fuse holder and dispose of the plug safely out of reach of children It must not be plugged into a mains outlet The wires in the mains lead supplied with this appliance are coloured in accordance with the following code Green and yellow Earth BUG ssnin aeia Neutral BOWN eiaeiiai aiei Live WARNING This appliance must be earthed As the colours of the wires of the mains lead of this appliance may not correspond with the coloured markings identifying the terminals in your plug proceed as follows The wire which is coloured green and yellow must be connected to the terminal in the plug which is marked with the letter E or coloured green or green and yellow or by the earth symbol i The wire which is coloured brown must be connected to the terminal which is marked with the letter L or coloured red The wire which is coloured blue must be connected to the terminal which is marked with the letter N or coloured black If connecting to a BS1363 plug a 13 amp fuse must be used WARNING Any modifications to this product not expressly approved by Musical Fidelity who is the party responsible for standards compliance could void the user s authority to operate this equipment Issue 1 Wednesday 01 March 2006 AS DAB FM Tuner Instructions for use Page 2 of 12 C GENERAL ADVICE INSTALLATION PRECAUTIONS and USER INFORMATION Your new A5 DAB FM tuner is designed and built to provide trouble free performance
11. etween them If the range of the remote control greatly decreases replace the batteries with new ones Do not mix old and new batteries two are required size SUM 4 AAA or LRO3 Please dispose of used batteries in accordance to local regulations DAB Tuner function buttons only STORE button DAB TUNER INFO button tes INFO MENU TUNE BAND MENU button AUTO TUNE button BAND button MONO STEREO button Issue 1 Wednesday 01 March 2006 STORE SELECT A PHONO CD PRESET TUNE v TUNER A5 DAB FM Tuner SELECT button PRESET up button PRESET down button TUNE up button TUNE down button Instructions for use Page 5 of 12 ee INTRODUCTION INSTALLATION INTRODUCTION Congratulations on your purchase of an A5 DAB FM Tuner and remote control This tuner is is designed to bring DAB into the realms of hi fidelity sound reproduction with the smooth sound of valves to complement the very latest technology DAB FM receiver circuit To this end a pair of 6922 dual triodes one per channel are incorporated into the LINE OUT stages which themselves have vanishingly low noise and distortion and output impedance is low Great attention has been paid to internal layout isolating each circuit section to prevent possible interaction The resultant performance achieved by this tuner is among the best in the world It has excellent signal noise ratio low distortion wide bandwidth huge
12. he unit and should be securely fastened by tightening the nut However if FM stereo background noise is obtrusive radio text is corrupted or DAB cut out is experienced or unit is to be used in a fringe area a rooftop DAB and FM aerial may be required please contact an approved aerial contractor with good local knowledge CLEANING Before cleaning the tuner switch off power at the mains switch and remove the mains plug from the wall socket Clean the cabinet and remote control unit using a moist cloth We do not advise using solvents white spirit or thinners as they could damage the surface finish Instructions for use Page 6 of 12 POWER BUTTON Press POWER to turn the power ON Press again to turn the power OFF Note Whenever the power is turned ON the station you were previously receiving will be selected automatically The name of the station appears in the display All settings and stored stations will be retained in memory while the unit is turned off On switch on the last band DAB FM and station is remembered BAND This button alternates the tuner between receiving DAB and FM stations AUTO TUNE To update your tuner with locally available DAB stations Press the AUTO TUNE button The tuner will search through all the ensembles and pick out all the locally available stations TUNE UP DOWN To select a station press and hold down the TUNE UP or TUNE DOWN button to cycle up and down th
13. nu options whilst in DAB mode Use the TUNE up down buttons to cycle through the options and the SELECT button to choose displayed option Menu options available for DAB are Manual Tune Allows manual search of ensembles and DAB frequencies Canadian L band Enables Canadian L Band European L Band Enables European L band Service Base Factory use only Customer Version Software version reference System reset RESETS all presets and performs a new scan of DAB band Instructions for use Page 7 of 12 AUTO TUNE To auto search stations press the AUTO TUNE button The tuner will search upwards through the FM band and pick out the next station for you If pressed and held for more than a second the tuner will scan back down the band to the previous station the scan down function is not available on the remote BAND This button alternates the tuner between receiving FM and DAB stations TUNE UP DOWN To manually tune a station press and hold down the TUNE UP or TUNE DOWN button to scan up and down the FM band When the required station frequency is displayed release the TUNE button Pressing buttons briefly gives fine tuning steps 50kHz See the section on the PRESET buttons to store favourite stations for easy recall PRESET UP and PRESET DOWN PRESET UP DOWN buttons are used to select one of ten FM preset memory locations Press select when the desired preset is displayed STORE It is possible to store favou
14. or damaged by lightning For protection of your audio system during electrical storms remove the mains plugs and disconnect any aerial lead If after sales service is required to help your dealer identify the A5 DAB FM tuner please quote the serial number located on the rear panel of the unit RADIO FREQUENCY INTERFERENCE R F D This product has been tested to ensure that its operation is not adversely affected by normal background levels of R F I and that it does not itself generate excessive amounts of interference However if a problem persists please contact your Musical Fidelity agent Issue 1 Wednesday 01 March 2006 AS DAB FM Tuner Instructions for use Page 3 of 12 DEE CONNECTIONS and FACILITIES store Wia DAB MENU INFO MUSICAL FIDELITY A N N O O O O i Ad K4 3 4 5 FRONT PANEL 1 POWER mains on off switch 6 SEARCH button 2 STORE button 7 BAND button 3 SELECT button 8 PRESET up down buttons 4 DAB Menu button 9 TUNE up down buttons 5 INFO button 10 DISPLAY and IR Remote control window THIS APPLIANCE MUST BE EARTHED DAB FM 192kHz UPSAMPLING TUNER y 50 60Hz IMPORTANT CAUTION MOUNT UNIT ON SOLID SURFACE DO NOT REMOVE SCREWS OR COVERS UNDER ANY CIRCUMSTANCE NO USER SERVICEABLE COMPONENTS INSIDE REFER SERVICING TO QUALIFIED ENGINEER SEE OWNERS MANUAL FOR
15. rite stations in preset memory locations using the STORE button as follows 1 Tune to the station required Press PRESET UP DOWN buttons until the desired preset is displayed Press the STORE to accept this preset The display revert to the selected station Note this will overwrite any station stored previously on this preset Briefly pressing the button will display current preset without storing There are 10 presets available for programmes on the FM band in addition to the 10 provided for DAB Presets are remembered even if the unit is switched off Issue 1 Wednesday 01 March 2006 AS DAB FM Tuner FM BUTTON FUNCTIONS MONO STEREO remote only This button enforces mono reception when inadequate aerial signal strength results in noisy stereo reception MONO forces mono at all times until the button is pressed again for AUTO In AUTO mode the tuner automatically switches according to signal strength INFO Displays the current broadcast information in the following order PI Programme identification PTY Programme type RT Radio text CT Clock date and time as transmitted by network MS Music Speech info only DI Decoder information Signal Strength with bargraph Audio mode AF Alternate frequency Returns to top of this list Relies on FM RDS Not displayed if no or insufficient RDS signal MENU FM options Press MENU to access menu options whilst in FM mode Use th
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