Goldmund D/A Converter MIMESIS 20.7 User's Manual
Contents
1. Reference Considering the extreme performance of the Mimesis 20 7 D A converter the connection between the digital sources and D A converter is also very critical Use ultra low reflection cables for SPDIF the connection In all typical cases Goldmund recommends using as SPDIF connection its special Goldmund Lineal cable User manual Goldmund MIMESIS 20 7 D A Converter 5 L2 SETTING UP THE MIMESIS 20 7 CHOICE OF D A CONVERTER LOCATION AND COOLING Select a very rigid support for your CD DVD player Position the player as far away as possible from the speakers if you want to totally avoid the air coupling between the speakers and the CD DVD player The distance between the CD DVD transport and the Mimesis 20 7 is usually not critical However if you use a coaxial cable link and the CD DVD transport is not perfectly matched to the SPDIF interface specifications a short distance is mandatory If you want to achieve the best possible sonic result select a position on a shelf or ona piece of furniture where the converter is isolated from vibrations of mechanical components like the CD DVD transport itself If you use 2 Mimesis 20 7 in a 2 channel system do not stack them You must also be careful to locate your Mimesis 20 7 in a very well ventilated location When powered on the Mimesis 20 7 as all high quality electronic equipment generates a significant amount of heat which has to be evacuated by natural ventilation For2. the same reason it is perfectly normal that after few hours of operation your Mimesis 20 7 gets quite hot 1 3 POWER SUPPLY The Goldmund Mimesis 20 7 D A converter uses a power supply developed by Goldmund to provide totally separate voltage to each part of the digital and analog circuitry Your power supply unit has been set to operate with the mains voltage of your area Check on the power supply voltage switch if there is any doubt If you move after purchasing the D A converter to an area using a different AC mains voltage you can change the voltage by yourself or consult your local Goldmund dealer for assistance User manual Goldmund MIMESIS 20 7 D A Converter 6 1 SETTING UP THE MIMESIS 20 7 Ctd 1 3 POWER SUPPLY The voltage selector on the rear panel allows to choose between 230V and 115V and two additional switches inside the M20 7 allow to choose between 100V and 115V when the voltage selector on the rear panel is on 115V and between 200V and 230V when the voltage selector on the rear panel is on 230V The power supply unit can operate indifferently with both 50 and 60 Hz AC line 2 FIRST INSTALLATION AND CONNECTIONS 2 1 POWER CONNECTION Plug the AC power cord to the power supply and in a wall socket The converter is powered by pressing the power switch located on the front panel For best sonic results Goldmund recommends to leave the converter powered on permanently When turned ON the unit accomplishe
3. USER MANUAL User manual Goldmund MIMESIS 20 7 D A Converter 1 INTRODUCTION GOLDMUND MIMESIS 20 Thank you for purchasing the Goldmund MIMESIS 20 7 D A CONVERTER Please take some time to read this manual It may provide you with useful information to make your pleasure of listening to the MIMESIS 20 7 even higher 7 D A Converter Goldmund was founded in 1978 and has ever since been dedicated to the accurate reproduction of sound and image At Goldmund we strive to lead in the creation development and manufacture of the industry s most advanced technologies including audio and video systems home networking and music distribution The guiding principle at Goldmund is to produce a precise sound with the latest possible loss of quality through the different stages Goldmund will never adopt a technology before it is sufficiently developed to satisfy the high quality standards we set This is why Goldmund has often rejected mainstream technologies and developed its own User manual Goldmund MIMESIS 20 7 D A Converter 2 W A R N I N G No connection or manipulation must be done before reading these instructions Damage to the D A Converter may result if the following instructions are not consciously understood and applied This high quality converter possesses new technical features like high bandwidth and ultra high dynamic capability which are or will become necessary for an accurate conversion of the
4. et of digital outputs 1x RCA SPDIF and 1x XLR AES EBU Input switch between SPDIF and AES Channel input switch User manual Goldmund MIMESIS 20 7 D A Converter 10 POWER SUPPLY e 3 Separate Power transformers e Nominal AC line voltage 100V 115V 200V or 230V e Input voltage range 10 SIZE AND WEIGHT e 44cm W x 43 cm Dx 10 7 cmH e 20kg WARRANTY e 3 years parts and labor User manual Goldmund MIMESIS 20 7 D A Converter 11
5. s a self test run by its internal software A software routine successively tests the circuits inside the machine 2 2 SOURCES CONNECTION Connect the CD DVD transport or any other digital sources like a Goldmund Digital Preamplifier or tape machines to the back panel digital inputs and outputs of the Goldmund Mimesis 20 7 using either a coaxial link and the RCA or the AES EBU XLR connectors User manual Goldmund MIMESIS 20 7 D A Converter 7 2 FIRST INSTALLATION AND CONNECTIONS Ctd 2 2 SOURCES CONNECTION A pair of digital outputs both SPDIF and XLR is available on the front panel to cascade the digital signal to the next D A unit On the rear panel select either the RCA or the XLR inputs by switching the tiny switch located between them Select also between the CH1 or CH2 sources which are propagated by the digital input cable When the input source is connected connect one analogue output RCA jack to the analogue preamplifier line level input or the power amplifier analogue input using a high quality analogue interconnect like the Goldmund Lineal Interconnect With the Mimesis 20 7 Balanced analogue built in circuitry you may also use the XLR balanced analogue output to connect to a balanced input source However the sound quality will not be as high as in the unbalanced mode User manual Goldmund MIMESIS 20 7 D A Converter 8 3 FRONT PANEL FUNCTIONS Power key The power is switched on or off b
6. today s best digital messages as well as tomorrow s new formats Only careful installation and use can provide the satisfaction you are expecting The installation instructions must be carried out in full and the mentioned precautions taken to get the expected result and to avoid impairing performance User manual Goldmund MIMESIS 20 7 D A Converter Je RON SETTING UP THE MIMESIS 20 7 FIRST INSTALLATION AND CONNECTIONS FRONT PANEL FUNCTIONS CLEANING TECHNICAL DATA CONTENTS OOONA User manual Goldmund MIMESIS 20 7 D A Converter As 1 1 SETTING UP THE MI MESIS 20 7 UNPACKI NG You will find in the GOLDMUND MIMESIS 20 7 box The D A Converter The power cord This manual ATTENTION Please keep the packaging in case you need to transport the MIMESIS 20 7 at a later date or if you have to send it for maintenance This packaging has been designed specifically to protect the MIMESIS 20 7 in transit Use of alternative packaging is likely to result in damage invalidating warranty cover For exacting technicians musicians and all amateurs who demand the very best in recording transcription we strongly recommend the use of a top quality CD transport unit DVD transport or Blu ray transport since most of the digital signal integrity can be destroyed before the converter unit For a perfect CD DVD Blu ray transport Goldmund recommends the Goldmund Eidos 20BD or Eidos BD
7. y the large front panel key Power LED When power is ON the red Led is lighted Locking LED When a digital signal is present at unit s input the green Led shows the unit is locked on this signal CLEANING Always disconnect the power cord from the wall socket before cleaning your converter To clean the metal of the converter always use a very soft cloth to avoid scratching the surface Use a soft cloth slightly wet for usual maintenance User manual Goldmund MIMESIS 20 7 D A Converter 9 TECHNICAL DATA DIGITAL INPUTS OUTPUTS CONFIGURATION e 2 switchable Digital Inputs S PDIF coaxial RCA 75 Ohms and AES EBU balanced XLR 110 Ohms e 2 Digital Outputs providing S PDIF RCA coaxial and AES EBU XLR balanced with separate driving circuits ANALOG OUTPUTS e 1x Analog RCA outputs e 1x XLR balanced analog outputs D A CONVERTER CIRCUIT e Goldmund ultra linear phase proprietary circuitry enhanced Alize 7 with enhanced dynamics Bandwidth 20Hz 20kHz 0 2dB typical Typical non linearity below 1dB at 100dB Typical phase error between channels lt 0 5degrees Output voltage 2Vrms unbalanced 4Vrms balanced FRONT PANEL CONTROLS e 1 key for Power ON OFF e Separate Led display for Power red and for digital signal locking green REAR PANEL CONNECTORS AND CONTROLS 1x analogue RCA output connector 1x analogue XLR output connector 1 set of digital input 1 x RCA SPDIF and 1 x XLR AES EBU 1 s
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