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HELIX TWO Mk2 INSTALLATION & OPERATION GUIDE

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DA-MAN-H2-003

www.dohmannaudio.com

HELIX TWO

Mk2 Phonograph

Installation & Operation Guide

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Summary of Contents for Helix Two

Page 1: ...HELIX TWO Mk2 INSTALLATION OPERATION GUIDE 1 DA MAN H2 003 www dohmannaudio com HELIX TWO Mk2 Phonograph Installation Operation Guide ...

Page 2: ...g the Turntable 5 Opening the Shipping Case 6 Packing List 6 Unpacking and Assembling the Helix Two 7 Adjusting the Internal Suspended Chassis Height 13 Operating the Helix Two 14 Speed Control 14 Each Turntable has a Serial Number 15 Register Your Turntable 15 The Data and external Power Port 16 Helix Two Features 16 Specifications 17 Customer Support 18 Factory Contact Information 18 ...

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 Two 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: ...enjoyed with an outstanding level of realism The Helix Two has a new custom designed Swiss manufactured motor which incorporates the very latest technology around constant torque performance and quietness of operation The Helix Two is designed to operate flawlessly in non ideal environments such as older houses with wooden floors upper floors attics where external vibrations are carried through bu...

Page 5: ...ent weighs approximately 30kg 60 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 ...

Page 6: ... post found on the chassis A 5mm 3 16 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 hasn t dropped out in shipping If the ball bearing is missing replacement ball bearings are available from your dealer The twin belts are also pre installed on the platter from the fa...

Page 7: ...re embedded within a block of solid black foam which we refer to as the top compartment Place your hands down either side of the top compartment grip the bottom edges of the block of foam and lift the top compartment vertically up and out of the road case Place the top compartment on the floor or somewhere where you can access it later You will now be able to see the turntable wrapped in plastic l...

Page 8: ...ushing up unevenly as the screws are unscrewed and eventually pushing up unevenly as the screws are unscrewed and eventually pushing up unevenly as the screws are unscrewed and eventually removed removed removed removed If the two If the two If the two If the two screws screws screws screws on one side are unscrewed and removed prior to the other screws on the other on one side are unscrewed and r...

Page 9: ...EP 6 STEP 6 STEP 6 Perform an initial levelling of the chassis by winding each of the four feet up or down Use a bubble level on the top plate of the chassis as a starting point Visually check each foot to ensure that all four are firmly connecting with the surface of the shelf that the turntable is placed on STEP 7 STEP 7 STEP 7 STEP 7 Fasten the record clamp to the spindle The record clamp is th...

Page 10: ...he 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 STEP STEP STEP 9 9 9 9 Unpack the external power supply and place the unit on the floor or on another shelf away from the turntable ...

Page 11: ...hen power cords are inserted or removed from the the the the external power supply external power supply external power supply external power supply WARNING WARNING WARNING WARNING If the turntable sustains damage due to a failure to comply with If the turntable sustains damage due to a failure to comply with If the turntable sustains damage due to a failure to comply with If the turntable sustain...

Page 12: ... 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 1 STEP 1 STEP 1 STEP 14 4 4 4 Gently feel...

Page 13: ...e middle of the slot when viewed from the front of the table The light will move up and down as the suspension travel operates Adjust the thumbwheel only if the travel of the suspension is at the top or bottom of the travel limit when table is at rest The total suspension travel available is approximately 10mm in total approx 5mm If you depress the platter to the lowest limit of the suspension tra...

Page 14: ...ain Speed Control The turntable is calibrated at the factory to provide accurate speed performance However there are a number of factors that can affect the accuracy of a turntable s speed performance and all turntables should be checked for speed accuracy when serviced The Helix Two Mk2 has speed control functionality allowing the user to make fine adjustments to achieve a highly accurate speed T...

Page 15: ...ustment but the functionality is there in the event that it s needed Each Turntable has a Serial Number Each Döhmann Audio Helix Mk2 turntable has a unique Serial Number that is recorded in the manufacturer s database along with all of the information pertaining to that specific unit The Serial Number starts with a DA and can be found on the turntable s identification tag on the right side of the ...

Page 16: ...e the transfer of data to the turntable s electronics software upgrades etc Helix Two Features State of the art custom designed Swiss manufactured motor Micro Signal Architecture MSA Negative Stiffness Mechanism Vibration Isolation NSM Mechanical Crossover Technology MCT Tri Modal Platter system TMP Edge Damping Ring EDR Tone arm Damping System TDS Resonance Tuned Suspension RTS Diamond Like Coati...

Page 17: ...alibrated over 130 000 times per second to deliver precise 33 33 or 45 15 rpm factory default Default factory set speeds are 33 RPM 45 RPM 78 and other RPM s are available by request Speed can be adjusted via the use of the speed control adjustment buttons located on the rear panel of the turntable Drive System Fully integrated Swiss manufactured high torque motor Dual belt platter drive designed ...

Page 18: ... Contact SEPEA audio service sepeaaudio com 421 905 612 447 English German Russian Slovak Czech Factory Contact Information Döhmann Audio Pty Ltd Unit 2 11 Friars Road Moorabbin Victoria 3189 MELBOURNE AUSTRALIA Telephone General 61 409 514 914 Telephone Factory Technical Support 61 410 344 938 enquiry dohmannaudio com Please Note Please Note Please Note Please Note Döhmann Audio products are manu...

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