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Oracle DELPHI MK III, Owner'S Manual

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Oracle DELPHI MK III Owner'S Manual Download Page 14

 

 

 

…install the dust cover 

 

 

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Remove the protective packaging from around the dust cover. 

 

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Attach the hinges using a philipps screw driver. 

 

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Slide the flaps in the hinges bases secured to the acrylic base. 

 

…operate the record clamp 

 

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Tighten the clamp so the record is pushed flat against the mat. 

 

Note 1: This will be achieved before feeling the clamp is tight. 

 

Note 2: An overtightened record clamp will force the edge of the record to lift off too much. 

 

 

…level your Delphi 

 

 

Your turntable is now ready to be moved to its final emplacement. It is most probable that the 

level will differ with the location where the turntable was set up. 

 

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Level the acrylic base by turning the levelling feet. Use the subchassis spirit level to achieve 

this final adjustment since the relative level has been already been established between the 

subchassis and the acrylic base. 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Delphi MKIII 

 Owner’s manual 

 

 

Summary of Contents for DELPHI MK III

Page 1: ... Audio Technologies 6136 boulevard Bertrand Fabi Suite 101 phone 819 864 0480 Sherbrooke Quebec Canada J1N 2P3 fax 819 864 9641 DELPHI MK III OWNER S MANUAL The Fine Art Of Playing Music www oracle audio com ...

Page 2: ...stall the drive belt 13 Remove the platter with the drive belt installed 14 Connect the power supply 14 Adjust the 33 and 45 speed 15 Install the dust cover 15 Operate the record clamp 15 Level your Delphi 15 WHAT TO DO 16 If the turntable does not start and the speed indicates light does not go on 16 If the turntable does not start and the speed indicates light goes on 16 If the platter is not pa...

Page 3: ...t can effectively transmute record groove modulations into outstanding musical performance and enjoyment FOREWORD Total accuracy is the only key to success in this matter where the quality of the results can only be as good as the worst level of calibration in any step whatever it is suspension calibration tone arm installation or cartridge alignment This booklet is divided in three sections the w...

Page 4: ...g the record groove The effect can be sufficient to overlap with and eliminate the subtle sufficient to overlap with and eliminate the subtle information in the record groove The convex shape offers an information in the record groove This will have the effect of reducing the access of external vibration to the turntable the suspension system If improperly calibrated many problems will emerge from...

Page 5: ... of the bushings causing inconsistent friction sonically this would translate into irregular wow and possibly flutter drive belt An oily drive belt will keep the drive systems from responding sharply to varying loads On a record is the constiniously changing modulations in the groove In order to maintain the platter s momentum a positive drive is absolutely required A similar problem also develops...

Page 6: ...ng hardware for the tone arm or the cartridge also bears an important responsibility with regard to the sound quality A muddy sound can often be related to this Loose mounting screws increase vibration resulting in muddiness of the sound you hear the cartridge alignment This final element in the what if section is often taken with a grain of salt Being in the ball park is far from being sufficisen...

Page 7: ...t near by Remove the acrylic base plate from the lower section of the packaging and place it on your work table Note 1 Lift the acrylic base straight up so as not to damage the platter s spindle protruding through Note 2 All the accessories are positioned strategically in the packaging to prevent them from coming loose and possibly damaging the turntable during shipping When shipping the turntable...

Page 8: ...ting of the arm board can sometimes be troublesome on top of being a potential hazard The use of an adequate tolling is important to both accuracy and safety Oracle can supply a pre drilled arm board for mostly any tone arm available Properly secure the arm mounting hardware Use steel or aluminum screws to mount the cartridge for maximum rigidity Tighten the screws so the cartridge can be moved in...

Page 9: ...r Delphi Do not install the phono lead at this time Lift the subchassis from the styrofoam blocks and set it aside safely Remove the styrofoam blocks from around the suspension posts calibrate the suspension Step one Pre loading the spring Note 1 The spring holder has a deep thread to offer a positive hold of the spring Note 2 The reference to clockwise or counter clockwise must be always take int...

Page 10: ...e 1 There are five springs supplied with the turntable which are coded as follow from the weakest to the strongest grey yellow red green blue The coding is done on the inside at the wider end of the spring The following is the standard set up from the factory Grey front left module Yellow rear left module Green right module The red and the blue are supplied as extras Note 2 The standard spring com...

Page 11: ... round repeat the operation until the suspension housing is 3 mm 1 8 above the B step on all three modules For the second round reduce the increments to 1 8 of a turn or less until the housing touches the gauge lightly Note 6 In the event that the housing goes below the B step start the procedure from step one again Note 7 Once the proper adjustment is achieved it is important as a final check to ...

Page 12: ...n the bearing well install the drive belt Note 1 To reduce contamination problems wash your hands prior to handling the drive belt Locate the drive belt in the upper section of the packaging With the platter upside down place the belt around the hub Bring the platter over and the bearing and lower it straight down holding the belt stretched Guide the drive belt around the motor pulley when the spi...

Page 13: ...ase from the rear of the unit Note 3 The inner circles of strobe marks on the calibrator disc are to be used with a supply of 50 Hz The circle near the center is for 45 RPM the other one is for 33 RPM The outer circles are to be used with a supply of 60Hz The outermost circle is for 33 RPM the one next to it is for 45 RPM Place the calibrator disc on the platter Select the 33 speed and check for a...

Page 14: ...lamp is tight Note 2 An overtightened record clamp will force the edge of the record to lift off too much level your Delphi Your turntable is now ready to be moved to its final emplacement It is most probable that the level will differ with the location where the turntable was set up Level the acrylic base by turning the levelling feet Use the subchassis spirit level to achieve this final adjustme...

Page 15: ...s not parallel with the plinth Check suspension calibration using the suspension gauge Note If a relatively important change occurred in one particular suspension module this could be the sign of an improperly seated spring or sorbothane ring analyze each part carefully prior to calibrating again Read section How to calibrate the suspension if an even up of down motion can not be obtained when gen...

Page 16: ... strop too much friction will force the platter to move backwards slightly Having to replace the drive belt more than once a year could also be a sign of excessive bearing friction for maintenance The blue cloth supplied can be used to clean all the metal parts acrylic parts and the mat Always use the colth dampened with water to dust the acrylic parts Do not use this cloth to pick up oil spills k...

Page 17: ...ve belt should be replaced yearly for an optimal performance We are confident your new Delphi will give you many years of satisfaction You are now ready for the real and only purpose of all this to sit down and relax just listen and enjoy beautiful music ORACLE AUDIO TECHNOLOGIES 6136 boul Bertrand Fabi Sherbrooke Quebec Canada J1N 2P3 www oracle audio com Delphi MKIII Owner s manual ...

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