User manual
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1. LE USER MANUAL MYTH 11 STEREO POWER AMPLIFIER 1 H Te e TT 2 SPHINX WARRANTY CARD sse sees sese sees ee sree re ereer ereer 3 THE POWER AMP AT A GLANCE ssssss esse essere ennenen ennenen neee ennenen nenen enen Front panel iti similar aa Jaa va DE e da An s UUT a TU alea Sela 3 1444 hs Men seat Such had ose acta sees Sn Maad eth res cet one ABU eset aa be MUL 10 TJ eet See 4 INSTALLATION AND CONNECTIONS cccsssscceesssseceenssceseenseeeseenseeeseenseeeseenseeeseenseaeseenssaeseensses Installation fist E ae enh E Se ee ee des a Connections in general cic Hits ccs ess cece test ces san ha Mann AUGA A teil radar amka dee cde eG A neste Connecting loudspeakefS 5 5449 151704 dei aust sulid ae koa vee deca hed det alte et Deere ana vabu wee decree Connecting the INp tS an ee Ai chit eles ac ec daha cet eet eee eta eda tee aed ee Connecting the optical cables 1 14 2150 vadi eraisik aenea add ak AJAMA AAA AAA JAHUTAB ad Aava Connetting the ma ings cable 1 11ri1ttuse kat 407 etiwanda a dail vedas levied ae deen 5 OPERATION T Power Onsite taala taa ceases TTT TTT T Power Off 25251344 cece Peters ba ea mise tunded cece Sey cea be veda ee cs nn and See pens ences ee dep M Ne dame epee eae pete Warning S sonete ae aen renee anaa a a a a E ET Enco ntering proble a 9 CARE AND MAINTENANCE nn nrrrsre nn nnnmnnnnnnnenennnnnnnnnenennnnennnnnennnnnnnnnnennnnnennennnnnnes 12. 2 will blink rapidly Only if you will not be using the amp for a long period e g during holidays should you switch the amp off with the O I switch 12 In stand by mode the Myth 11 s power consumption is still around the 70 W mark Warnings 1 Never put two amps on top of each other 2 The component should not be subjected to moisture or fluids 3 Do not touch the component and the loudspeaker outputs especially not with moist hands this powerful amp can output voltages in excess of 36 volt 4 Before removing the top panel you should disconnect the mains cable and wait at least 30 minutes because the power supply remains at the maximum voltage for a long time Removing the top panel will void your warranty the panel should therefore only be removed by an official Sphinx service engineer 5 Before disconnecting a loudspeaker or audio cable please switch of the component with the O I switch 12 6 An AC extension cord should never be used wholly or partly coiled this poses a severe fire risk Encountering problems The Myth 11 has extensive protection circuits These will activate when the temperature exceeds the limit gt 70 C the output has an Offset voltage gt 350 mV the output is shorted current limit or there is no power supply voltage If after power on the protection circuits detect something wrong the Myth 11 will immediately switch to stand by and the red PROTECT LED in
3. is connected to the CONTROL OUT of another Sphinx component you don t have to switch the Myth 11 with the O switch 12 The power amp will automatically select Stand by mode as soon as the other component is set to stand by In stand by mode the bias current of the power amp is set to a lower level which drastically decreases the temperature and power consumption Additionally it significantly increases the life span of the component The power amp also warms up more quickly so you will be able to enjoy maximum performance without significant delay Ensure proper connection of the optical cables from CONTROL OUT to CONTROL IN otherwise the LED next to the STANDBY button 1 on the front panel may remain off even though the stand by mode is activated Note When a the optical connection to another component is made the STANDBY button on the front panel 1 will be inoperative If the Myth 11 is placed in strong direct sunlight the stand by mode may self activate In that case you should place the supplied dummy connector in the CONTROL IN 6 jack We strongly recommend against placing the component in direct sunlight Connecting the mains cable Before you connect the cable please check whether the mains voltage indicated on the manufacturer s label on the rear panel is the same as your local mains voltage If not please contact your dealer and do not connect the component to the mains Connect the mains ca
4. x d Weight 0 300 000 Hz 0 0 25 dB lt 2 0 20 000 Hz 29 5 dB max 29 85 times gt 2x 94 5 W into 8 ohm 19 8 dBW THD lt 0 01 gt 2x 157 5 W into 4 ohm 22 0 dBW THD lt 0 01 gt 2x 217 6 W into 2 ohm 23 4 dBW THD lt 0 01 lt 0 06 0 006 2 harmonic 10 20 000 Hz lt 0 005 50 W into 8 Q gt 85 dB 98 dB gt 90 dB 1 20 000 Hz gt 20 V us gt 500 1 1 000 Hz cinch unbalanced 1 25V 1 9 dBV 20 KO 26 000 uF total per channel 550 W max 15 W standby 73 x 434 x 350 mm 10 kg This unit conforms to the EMC interference regulations issued by the EU and to the CE standards This unit complies with safety regulation VDE 0860 and therefore with international safety regulation IEC 65 Technical specifications may be changed by SPHINX without prior notice if technical developments make this necessary 1999 Audioscript BV
5. 0 TECHNICAL SPECIFICATIONS in nrnrenrenemnennnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnennnennnnnnnnne Congratulations on your purchase of the Sphinx Myth 11 You are now part of an ever increasing group of quality conscious audiophiles using Sphinx products We are very proud of the tradition connected with the SPHINX name especially concerning audio quality perfection This manual will help you to gain a maximum amount of pleasure and quality from your new Sphinx Myth 11 The power amp uses specially selected Power MOS FETs with a power bandwidth of over 20 MHz a very fast slew rate and an unsurpassed phase linearity over the power bandwidth The most unique feature is that it works in full Class A mode up to 10 W Thanks to the generous energy reserve of 69 600 uF unlimited power is available for the largest signal peaks The amplifier is therefore very stable and can effortlessly drive every type and format of loudspeaker at maximum quality even the most complex ones such as electrostatic and magnetostatic The amp outputs are sent to the loudspeaker connectors via heavy duty completely gold plated relays Much attention has also been paid to the physical layout the positioning of components and the internal grounding To obtain the maximum quality from this power amp it is necessary to use it with top quality audio components preferably with other Sphinx components Please read this manual carefully before you ins
6. ble after you have connected all other components in the system and have double checked all connections 5 OPERATION Connect the mains cable of the Myth 11 to a mains outlet Once you have connected all other components you may switch the Myth 11 on with the O I switch 12 on the rear panel The STANDBY LED 3 will blink for a while after which it will light red The Myth 11 is now in stand by mode From now on you should switch the power amp on and off with the O STANDBY button 1 on the front panel or the O STANDBY button of another Sphinx component connected to the optical CONTROL IN jack This way all circuits will remain at working temperature and the audio quality will be 100 within 15 minutes after activating Additionally it considerably increases the life span of the component Power On Switch the Myth 11 on with the O STANDBY button the LED 3 will extinguish and the POWER LED 4 will light If you activate the power amp for the first time or after a long period of non use with the power off the amp will be at maximum performance after one hour From stand by mode it takes only around 15 minutes Power off You switch the Myth 11 off stand by with the O STANDBY button 1 N B If you need to switch the system on again immediately you should wait for at least 60 sec though Because switching on the amp within 30 sec will activate the protection circuits the red PROTECT LED
7. dication will blink rapidly In almost all cases the problem will be with the loudspeaker cables Check them all and solve the problem If you can t find the problem or the cause is definitely not the cables please contact your Sphinx dealer Should for some reason the mains fuse be blown you should replace it with a new one of exactly the same type and rating 5x20 mm 250 VAC 3 15 A slow The fuse is located behind the cover between the mains connector 11 and the power switch Never use a fuse of a different rating this could lead to serious damage and may cause fire 6 CARE AND MAINTENANCE Clean the exterior with a soft lint free anti static cloth Do not use force while wiping the surface To remove difficult stains use a few drops of detergent on a moist cloth sweep carefully and wipe dry afterwards If some scratching occurs please consult your Sphinx dealer first He can give you advice about possible solutions 7 TECHNICAL SPECIFICATIONS Do not use polishing or cleaning agents they may damage the sensitive acrylic finish Do not use aerosol cleaning agents Most contain solvents which might react with and damage the acrylic finish Bandwidth Phase response error Gain Minimum Power Output 1 20 000 Hz THD N IHF A IMD SIN ratio IHF A Channel separation Slew rate Damping factor Input level nominal impedance Supply capacitance Power consumption Dimensions h x w
8. e is the mains power switch 4 INSTALLATION AND CONNECTIONS Installation Attention The power amp weighs more than 10 kg Make sure you place the Myth 11 on a stable and sturdy support Never stack two power amps on top of each other The Myth 11 will become warm so correct placement is critical Do not position it on top of or close to other heat radiating equipment such as other power amps or in direct sunlight Please ensure unrestricted ventilation around the component If you need to use the amp in a closed cabinet or on a bookshelf you should definitely provide unrestricted ventilation around the component To prevent any possible interference keep power supply cables away from all audio cables If all these conditions are met the Myth 11 should perform to the extremely high standards it is designed for Connections in general Before you start connecting equipment it always is wise to check whether all the mains power cables of all components are disconnected from the mains outlets This will prevent any damage to the loudspeakers and amplifiers caused by incorrect wiring or settings Always use loudspeaker and audio cables and connectors of the highest quality Siltech cable is used throughout internally and we recommend using this same cable for all external connections If you have the choice between longer loudspeaker cables or longer audio cables choose the latter cables between pre amp a
9. he component on and off 2 PROTECT LED Normally off When blinking red it indicates that the protection circuit is active 3 STANDBY LED Indicates the selected function stand by red amp on off 4 POWER LED Indicates the selected function stand by off amp on red Hear panel INPUT Waming Naf TA rN Do not open mia par pee CONROL 7 High voltage inside a E Do not expose this unit po CN to rain ormoisture Ma NT 7 Ne OUTP TR IN 1 2 3 4 Warning Hier vindt u belangrijke waarschuwingstekens en tekst die betrekking hebben op de veiligheid van dit apparaat OUTPUT L To connect the cable from the left loudspeaker red black CONTROL IN To connect the optical cable from another Sphinx component like a pre amp INPUT L amp R To connect the cinch cable from the left and right output of the signal source a T N AC Voltage 220V 60Hz Fuse 3 15 AT Ase Max Power 600 W Made in The Netherlands AN of EX Manufactured by L ji Sphinx Laboratories Nop A 5 7 OUPUTL Manufacturer s label This shows important data for the component such as serial number and mains power voltage OUTPUT L To connect the cable from the left loudspeaker red black AC POWER Connect the power amp to a mains outlet 230 240 VAC The mains fuse is placed behind the cover and at the right ther
10. nd power amp will cause the least signal quality loss Connecting loudspeakers We recommend using a double pair of cables if this is possible with the loudspeakers one pair for the highs and another for the lows In most cases you will hear a substantial improvement in the sound quality but be careful to prevent shorted connections Your dealer can recommend the best cables and connection methods Connect the red OUTPUT R terminal 5 to the red or terminal of the right loudspeaker Connect the black OUTPUT R terminal 5 to the black or terminal of the right loudspeaker Connect the left loudspeaker in the same way to the OUTPUT L terminals 10 When using unterminated cables please check carefully that there are no loose ends to cause a short between the and the of the terminals on amp and loudspeakers Connecting the inputs Make sure you connect L and R properly Most cinch cables use Red for the Right channel and White or Black for Left All cinch connectors on the Myth 11 s rear panel have a red centre for the right channel and a white one for the left channel When making the connections please refer to the descriptions for parts 5 up to 12 on page 5 The unbalanced INPUT L and R 20k can be used for any unbalanced line level signal e g from a pre amp Connecting the optical cables The Myth 11 has an optical jack connector for CONTROL IN When the CONTROL IN of the Myth 11
11. tall or use the Myth 11 It is important to familiarise yourself with the special functions operation and possibilities of the Sphinx Myth 11 Your local dealer will be able to answer any questions concerning other Sphinx audio components 1 UNPACKING Before leaving the factory every Myth 11 is subjected to stringent and extensive technical and exterior quality inspection This ensures you will enjoy many years of high quality audio from a perfect looking product Attention The power amp weighs over 10 kg Never lift it out of the box without someone helping you After unpacking your Myth 11 we therefore recommend you carefully check it for any transport damage In case of damage please contact your Sphinx dealer immediately and retain all packing materials for possible proof of damage and possible claims Even if the component is in perfect condition you should still keep the packing materials If you need to transport your Myth 11 at a later time it will be best protected by the original packing materials 2 SPHINX WARRANTY CARD Please takes this opportunity to fill out the enclosed warranty card now Follow the instructions on the card or consult your dealer Please send the card as soon as possible to the return address within 14 days after purchase 3 THE POWER AMP AT A GLANCE Front panel A A N H a x g j BX eo e N Fine my 1 7 1 2 1 STANDBY To switch t
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