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Roksan Audio Xerxes 20 Plus User Manual

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Xerxes 20 Plus
User Guide
A N A L O G U E
1

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Summary of Contents for Roksan Audio Xerxes 20 Plus

  • Page 1 Xerxes 20 Plus User Guide A N A L O G U E...
  • Page 3 About Roksan Since 1985, Roksan’s mission has been to inspire music lovers with our world-class audio products. Roksan immediately found global recognition with the Xerxes Turntable. Since then, our passion for developing award-winning audio products has broadened into amplifiers, CD players and DACs. With British design and manufacture, Roksan ensures outstanding build quality and reliability.
  • Page 4 Your Xerxes 20 Plus Turntable is at the heart of your record playing system and the link between the Tonearm/ Cartridge and the record. Its correct installation, setup and operation will have a profound influence on the sonic performance of the entire record playing system.
  • Page 5 U N P A C K I N G Accessories Rmat-7 Careful not to damage the pulley...
  • Page 6 Tonearm mounting and adjustment. The Bearing / Platter Assembly At the heart of Xerxes 20 Plus Turntable is Roksan’s unique and formidable self centring, self aligning true single point Main Bearing. The innovative design of this bearing provides almost silent, frictionless rotation, precisely defining the rotational axis.
  • Page 7 D E S I G N The Inner and Outer Platters are both machined from solid aluminium alloy instead of normal castings to ensure the material is homogeneous. Each complete platter is constructed of two parts that are ‘friction’ fitted together. Each part is designed as a tuning fork and hence it’s free from any nonlinearity. Their natural frequencies are linearly damped, as these two parts are joined together by friction only.
  • Page 8 D E S I G N 445mm All specifications are liable to change without notice. E&OE...
  • Page 9 Placing the Xerxes 20 Plus Turntable Prepare a level surface, using a spirit level, on which to place the Xerxes 20 Plus Turntable (‘absolute’ level is not critical as long as the surface is reasonably level). If you wish to use a dedicated equipment support, ensure that you get a ‘vertically’...

  • Page 10: Operation

    Fitting the Rmat-7 The Xerxes 20 Plus Turntable is supplied with the Roksan Rmat-7 which is designed to provide optimum contact between the record and the platter assembly. It fits over the Main Bearing Spindle in the centre and rests uniformly over the platter surface.
  • Page 11 S E T U P D I A G R A M S Fitting the Inner Platter 1 Pull out the Main Bearing Plug and place it in the Oil Vial bag 2 Carefully clean the Main Bearing with one of the Cotton Buds and check that there is a ball impression on the tip 3 Remove the Oil Vial cap and charge the Main Bearing with 4 to 5 drops of Roksan supplied oil 4 Wear the Cotton Gloves and remove the Inner Platter from its bag: use the Lint free tissue and gently clean the Inner Platter Spindle free from any dirt...

  • Page 12: Important Note

    6 Ensure the gap around the Sub-plinth is even (if necessary gently lift the Sub-plinth and reposition it) IMPORTANT NOTE The Xerxes 20 Plus Turntable Sub-plinth alignment is factory set according to the cut out on the Tonearm board (e.g. Artemiz cut is set for the Artemiz Tonearm weight etc.). If the Tonearm to be fitted is heavier or lighter than the one anticipated, then the Sub-plinth may require readjustment.
  • Page 13 3 Remove the Drive Belt from the bag and gently place it around the Inner Platter and the Motor Pulley (Note: The Xerxes 20 Plus Turntable will perform better when the Drive Belt is not inside out and when it is the right way up!
  • Page 14 S E T U P D I A G R A M S NOTE: Tilt Adjustment Screw is under The Inner Platter Plinth Assembly Tilt Adjustment 1 Gently tighten or slacken fixing bolts 1 and 4 accordingly (using the 5mm A/F Allen key) to adjust the level of the Sub-plinth/Inner Platter about the axis ‘X’...

  • Page 15: Left-Hand Side

    S E T U P D I A G R A M S The Inner Platter is factory aligned and should be level with the Sub-plinth. Carefully place the Outer Platter the right way up on the Inner Platter and observe the gap between the under side of the Outer Platter and the top surface of the Sub-plinth.
  • Page 16 S E T U P D I A G R A M S Back Front 2.5mm A/F ALLEN KEY Use the 2.5mm A/F Allen Key and looking from the left hand side, adjust the back (3rd) screw to tilt the platter assembly FRONT to BACK as shown above.
  • Page 17 S E T U P D I A G R A M S Motor Pulley and Inner/Outer Platter Alignment View from A View from A. Belt would ride slightly Belt would ride slightly higher on the pulley lower on the pulley 2.5mm A/F ALLEN KEY View from B View from B.

  • Page 18: Operation Position

    S E T U P D I A G R A M S Motor Spring Transit Pillar Fixing Screw Motor Transit Pillar Bearing Fixing Screw Unscrew Transit Position Remove Motor Axis ‘A’ Small Gap Operation Position Motor Transit and Operation Modes Always fit the Transit Screw if the unit is to be transported/ shipped.
  • Page 19 It is important that the Sub-plinth and the Top plinth are ‘free’ and not being pulled or pushed by the Tonearm Cable. Note: The Xerxes 20 Plus Turntable has two foam strips fitted in the Tonearm Cable channel which can grip the Tonearm Cable and provide the necessary decoupling.
  • Page 20 M A I N T E N A N C E The Xerxes 20 Plus Turntable requires minimal user maintenance. • The Main Bearing should be cleaned and recharged with Roksan Oil every 12-18 months. Important to ensure the Main Bearing Ball is in the housing before recharging with oil.
  • Page 21 I N S T A L L A T I O N Your Xerxes 20 Plus Turntable is designed to work on a level, light, vertically rigid non-resonant surface. If the unit is to be on a floor mounted Hi-Fi rack, then ensure the rack is vertically rigid. It is not as important if the rack is slightly compliant side ways.

  • Page 22: Troubleshooting

    T R O U B L E S H O O T I N G If you suspect that your Roksan Xerxes 20 Plus Turntable is not operating properly, first check all the connections carefully. Below are some likely encountered problems with suggestions for possible cure.
  • Page 23 < 0.02% Rumble < -80dB Dimensions 450 x 370 x 115mm Weight 12 kg N O T E S Xerxes 20 Plus Turntable Number Serial ……………………………… Purchase Date Year .……… Month .……… Day .……… Roksan Retailer Name: ………………………………………… Location: ……………………………………… ………………………………………………….
  • Page 24 Roksan 24 Brook Road, Rayleigh Essex, SS6 7XJ, UK +44 (0)1268 740 580 info@roksan.com roksan.com 06/18...

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