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ORACLE AUDIO
DELPHI MARK V
turntable
OWNER’S MANUAL
by Oracle Audio Technologies inc.
1
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TABLE OF CONTENTS Foreword .................................................................................................... 1 How to ... ... pack and unpack your Delphi ................................................................. 2 ... assemble the sub chassis ...................................................................... 3 ... adjust the plinth assembly ...................................................................... 3 ... install the tone arm and phono
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ow to ... H ... pack and unpack your Delphi - Remove the inner box by lifting it straight up and out. Open the flaps on both ends and slide out the styrofoam packaging. - Lift the styrofoam cover straight up so as to protect the corner reinforcement. Note 1: All the accessories are positionned strategically in the packaging to prevent them from coming loose and possibly damaging the turntable during shipping. IMPORTANT ! When shipping the turntable position each item in i
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- Locate the bearing assembly in the lower section of the packaging. Remove the 3 mounting screws. - Locate the tool kit in the lower section and select the appropriate allen key... 9/64th - Lift the subchassis straight up and mount the bearing assembly from underneath (ground lug side). The bearing assembly can only be mounted in one position Note: Important, the main bearing mounting flange is marked with a red dot. When installed this red dot must be on the axis of the m
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Important ! If you are planning to cut your own mounting board, remember that the cutting of the arm board can sometimes be troublesome as well as being a potential hazard. The use of an adequate tooling is important to both accuracy and safety. - Use stainless steel or aluminum screws to mount the cartridge for maximum rigidity. - In preparation for the final alignment, tighten the screws so the cartridge can be moved in the headshell. ... precisely align the phone cartridge No
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changing the position of the spring in its holder. The color coding is visible from the inside at the wider end of the spring. Note 2: The reference to clockwise or counter-clockwise is determined by viewing the spring from above, unless otherwise mentionned. Note 3: By hand the spring can only be rotated counterclockwise in its holder but, using needle nose pliers, it can be held near the tip at the wider end. It is then possible to move it clockwise. If this cannot b
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- Place the subchassis over the suspension modules. - Install the platter without the drive belt. - Locate the suspension gauge in the documentation envelope. - Punch the suspension gauge out of the card. Do not consider "A", nor 1 & 2, they were used on the earlier models. - Place the gauge on the acrylic base with the "B" side against the lock feet. - For the first round bring all three suspension housings at 3 mm (1/8" inch) above the "B" step on all three modules. - For the sec
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be done by simply lifting the suspension housing just enough so you can see the spring. If you can see the spring anywhere from almost flush to up to 3 coils out of the spring holder, the spring is in a safe range. If the spring can not be seen showing below the holder a carefull inspection should be performed on this spring to make sure it is still at less than ½ turn inside the holder. ... calibrate the suspension... Note 13: This is an indication tha
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Note 3: In the event that the drive belt becomes contaminated, clean it with denatured alcohol. Clean the motor pulley and the drive hub at the same time. ... remove the platter with the drive belt installed Note: The following is not an operation related to the assembly of your Delphi but a procedure to prevent overstretching the drive belt. - Place one hand at the rear of the platter, over the motor, one hand at the front, lift the platter about 2.5 cm (one inch)
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... attach the ground lead - Loosen the thumb nut from under the sub-chassis near the tonearm and insert one end of the lead. - Attach the other end of the lead to the ground post of your pre-amplifier. ... install and calibrate the hinges ( Supplied when purchasing the optional dust cover ) - Locate the hinges in the lower section of the packaging and the appropriate allen key ( 3/32" ) from the tool kit. - Mount the hinges to the plinth and do not tighten the screws completel
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Check: - drive belt - motor connection plug for a broken wire - drive module for a broken wire - defective drive module ... if the platter is not parallel with the plinth Check: - suspension calibration using the suspension gauge Note: If a relatively important change occured in one particular suspension module, it could be the sign of an improperly seated spring of sorbothane ring. Check the installation carrefully prior to calibrating again. Read: - section How t
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to firmly secure the screws. Do not forget to add the content of one oil vial (about 3 cc) before installing the platter. - As a precaution to preserve the furniture your Delphi sits on, it is advisable to use a folded paper towel under the main bearing for a few weeks in the case of a bearing spillage. - The drive belt should be replaced yearly for optimal performance. We are confident your new Oracle product will give you many years of satisfaction. You are now read
