Goldmund TV Converter Box MIMESIS 207 User Manual

USER MANUAL  
GOLDMUND Mimesis 20.7  
D/A Converter  
User manual – Goldmund MIMESIS 20.7 D/A Converter - 1 -  
 
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 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 - 3 -  
 
CONTENTS  
1. SETTING UP THE MIMESIS 20.7  
4
7
9
2. FIRST INSTALLATION AND CONNECTIONS  
3. FRONT PANEL FUNCTIONS  
4. CLEANING  
9
5. TECHNICAL DATA  
10  
User manual – Goldmund MIMESIS 20.7 D/A Converter - 4 -  
 
1 SETTING UP THE MIMESIS 20.7  
1.1  
UNPACKING  
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 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 -  
 
1 SETTING UP THE MIMESIS 20.7  
1.2  
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 on a  
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.  
For 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 accomplishes 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 by 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.  
4 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 -  
 
5 TECHNICAL DATA  
DIGITAL INPUTS/OUTPUTS CONFIGURATION:  
2 switchable Digital Inputs, S/PDIF coaxial (RCA 75 Ohms) and AES/EBU balanced  
(XLR 110 Ohms)  
2 Digital Outputs, providing S/PDIF RCA coaxial and AES/EBU XLR balanced, with  
separate driving circuits  
ANALOG OUTPUTS:  
1 x Analog RCA outputs  
1 x XLR balanced analog outputs  
D/A CONVERTER CIRCUIT:  
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: < 0.5degrees  
Output voltage: 2Vrms unbalanced, 4Vrms balanced  
FRONT PANEL CONTROLS:  
1 key for Power ON/OFF  
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 set 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:  
3 Separate Power transformers  
Nominal AC line voltage : 100V, 115V, 200V or 230V  
Input voltage range : +/- 10%  
SIZE AND WEIGHT:  
44 cm W x 43 cm D x 10.7 cm H  
20 kg  
WARRANTY:  
3 years parts and labor  
User manual – Goldmund MIMESIS 20.7 D/A Converter - 11 -  
 

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