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HELIX ONE Mk2 INSTALLATION & OPERATION GUIDE

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DA-MAN-H1-001

www.dohmannaudio.com

HELIX ONE

Mk2 Phonograph

Installation & Operation Guide

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Summary of Contents for HELIX ONE

Page 1: ...HELIX ONE Mk2 INSTALLATION OPERATION GUIDE 1 DA MAN H1 001 www dohmannaudio com HELIX ONE Mk2 Phonograph Installation Operation Guide ...

Page 2: ...hipping Case 6 Packing List 6 Unpacking and Assembling the Helix One 7 Adjusting the Internal Suspended Chassis Height 14 The Rear Panels of the Helix One and the PowerBase 15 Connect the 5 Pin Din Cable 16 Connect Power 16 Operating the Helix One 17 Speed Control 17 Each Turntable has a Serial Number 18 Register Your Turntable 19 Helix One Features 19 Specifications 19 Customer Support 20 Factory...

Page 3: ...e legendary pioneers that have come before us we look forward and strive to create the most advanced analogue audio systems available today Your Helix One turntable incorporates state of the art technologies that have previously never been applied to audio applications It is an heirloom quality industrial work of art that has been designed to give you the ultimate enjoyment of your record collecti...

Page 4: ...technology its ability to deal with vibration and resonance is unsurpassed and allows the music to be enjoyed with an outstanding level of realism The Helix One has a new custom designed Swiss manufactured motor which incorporates the very latest technology around constant torque performance and quietness of operation It is designed to operate flawlessly in non ideal environments such as older hou...

Page 5: ... weighs approximately 50kg 110 lbs A two person lift is required for safety Check your local occupational safety regulations when in doubt WARNING WARNING WARNING WARNING Please read the instructions carefully before installing the turntable Never open the turntable chassis Electrical Shock hazard When in doubt please contact your dealer WARNING WARNING WARNING WARNING Never move the table from a ...

Page 6: ...e Flight Case Tonearm if ordered Helix One User Manual 200ml bottle of Sullivans Cove Award Winning Single Malt Whisky a gift from us to you A gift card A pair of white gloves A bubble level Coloured string to facilitate the fitting of the belts around the motor spindle 5 Pin Din cable to connect the Helix One Chassis to the PowerBase The smaller case contains the following items Döhmann Audio Hel...

Page 7: ...ouch the name plate so that it is not damaged The PowerBase has two handles one on the right side and one on the left side Using the handles lift the PowerBase out of the case and gently place it on a table to remove the plastic wrapping Once the packaging is removed place the PowerBase on the rack or stand Ensure that it is positioned exactly where it s final position will be STEP 2 Now it is tim...

Page 8: ...rntable will rest on these pads With the assistance of another person grab the turntable from each side and lift out of the flight case and place on a table to remove the wrapping Once the packaging is removed place the turntable on the PowerBase Ensure that it is positioned exactly where its final operational position will be CAUTION CAUTION CAUTION CAUTION The turntable assembly in the bottom co...

Page 9: ...e platter assembly comes complete with the upper bearing assembly which is precision matched to the inverted bearing post found on the chassis A 6 35mm 1 4 inch ball bearing is contained within the bearing housing When mounting the platter to the chassis platform please ensure the ball bearing is inside the inverted bearing post and has not dropped out in shipping If the ball bearing is missing re...

Page 10: ...the turntable rises evenly and is not lop p p psided To make this easier it is sided To make this easier it is sided To make this easier it is sided To make this easier it is recommended that recommended that recommended that recommended that you place one hand on the surface and gently push down while unscrewing each of the you place one hand on the surface and gently push down while unscrewing e...

Page 11: ...ilure to comply with these instructions the cost of repairs will not be covered by the Döhmann Audio Warranty p repairs will not be covered by the Döhmann Audio Warranty p repairs will not be covered by the Döhmann Audio Warranty p repairs will not be covered by the Döhmann Audio Warranty policy olicy olicy olicy Please retain the transport screws in the event the table must be moved at a later da...

Page 12: ...ng feed the string through the rear portal on the side of the motor spindle Finish lowering the platter onto the bearing pull the string with the two belts attached up and over the motor spindle Once the belts are in the motor spindle grooves gently remove the string STEP 9 Install the tonearm as specified by the manufacturer ...

Page 13: ...llen wrench Hex key Below these holes are four levelling screws Typically only small turn adjustments are required to level the armboard A key aspect of the Helix technology is the floating armboard Adjusting these four screws raises the armboard to a floating position which is magnetically damped This allows the armboard to be additionally isolated from the chassis STEP 13 Gently feel the armboar...

Page 14: ...ension travel you may hear a gentle clunk sound This is nothing to be concerned about and is simply an indication that the suspension has reached the limit of its downward travel range Gently lift the up the table till the suspension tops out Then let go and observe if the suspension falls If it stays bottomed out then you have to raise the suspension by adjusting the height adjustment knob on the...

Page 15: ...w 1 The 5 Pin DIN cable 2 Receptacles used to program the motor during servicing Not used in normal operation Note These connections are blanked on most units 3 Toggle switch to operate LED lighting system 4 Receptacle used for future vacuum upgrade Not used in normal operation 5 Power Switch 6 IEC mains socket 7 Height Adjustment Knob 8 Receptacle used for future vacuum upgrade Not used in normal...

Page 16: ...en power cords are inserted or removed from the turntable the turntable the turntable the turntable WARNING If the turntable sustains damage due to a failure to comply with these instructions the cost of WARNING If the turntable sustains damage due to a failure to comply with these instructions the cost of WARNING If the turntable sustains damage due to a failure to comply with these instructions ...

Page 17: ...tation press the RB once again If you are already playing at 45 RPM and you wish to play at 33 RPM press the LB once To stop platter rotation press the LB once again Speed Control The turntable is calibrated at the factory to provide accurate speed performance However there are several factors that can affect the accuracy of a turntable s speed performance and all turntables should be checked for ...

Page 18: ... satisfied with the speed do not press any buttons for 60 seconds At this point the new calibrated speed will be stored in the turntable s memory ROM and will be the new setting from that moment onwards even if the power is turned off Please note that the Helix One is a set and forget design meaning it has been designed to hold its performance parameters and not need adjusting so it is very rare t...

Page 19: ...g Ring EDR Tone arm Damping System TDS Resonance Tuned Suspension RTS Diamond Like Coating Amorphous Material Bearing Friction Modifier DLC High Torque Adjustable Drive HTAD High frequency and RF absorption features A suspension stabiliser for ease of operation during record changeover Lighting control system and power filtration functions Facilities for two tonearms 0 5 Hz Fz Vertical 1 5 Hz Fz H...

Page 20: ...quires a surface capable of supporting up to 95Kg 210 pounds and be a minimum of 620mm Wide x 500mm Deep 24 4 Deep x 19 7 Deep for the isolation platform to move freely Customer Support Full customer support of Döhmann Audio products is available worldwide through authorized dealer and representative network This includes set up and performance optimization assistance service and warranty support ...

Page 21: ...HELIX ONE Mk2 INSTALLATION OPERATION GUIDE 21 DA MAN H1 001 www dohmannaudio com ...

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