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MSB Technology DAC IV plus, User Manual

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1

DAC IV 

plus

Users Manual

Rev 1 (12/2012)

S

ign

 M

agnitude

 L

adder

 daC S

peCifiCationS

i

nputS

:  

BnC, C

oaxiaL

, t

oSLink

, 

BaLanCed

 aeS/eBu, MSB pro i2S  

and

 

a

 B

aLanCed

 a

naLog

 

i

nput

rCa o

utputS

:  

2.62 V rMS (7 Vpp)

rCa o

utput

 i

MpedanCe

:  

53 

ohMS

 

without

 

VoLuMe

 

ControLS

, 38 

ohMS

 

with

 

VoLuMe

 

ControLS

B

aLanCed

 o

utput

:  

5.23 V rMS (14 Vpp) 

B

aLanCed

 o

utput

 i

MpedanCe

:  

106 

ohMS

 

without

 

VoLuMe

 

ControLS

, 76 

ohMS

 

with

 

VoLuMe

 

ControLS

V

oLuMe

 C

ontroL

 (

optionaL

): 

S

ignature

:  1/4, 1/2 

or

 1 dB 

Stepped

 

attenuator

, (78, 156 

or

 312 

StepS

)

 

p

LatinuM

:  2 dB 

StepS

 

S

aMpLing

 f

requenCy

:  

32 

k

h

z

 

to

 384

k

h

z

B

it

 d

epth

:  

32 

Bit

ModeLS:  

p

LatinuM

 

p

LuS

 

and

 S

ignature

 

p

LuS

Warning!  The DAC IV uses a high current power connector that requires a two step plug in.  Push the 

connector firmly in about 1/4”, then push harder and it should snap in another 1/8”.  When plugged in, 

the connector housing extends into the metal back.  Check both ends.

Summary of Contents for DAC IV plus

Page 1: ...edance 106 ohms without volume controls 76 ohms with volume controls Volume Control optional Signature 1 4 1 2 or 1 dB stepped attenuator 78 156 or 312 steps Platinum 2 dB steps Sampling Frequency 32...

Page 2: ...DAC IV volume control in your system The volume control modules can be easily installed or removed by your dealer Setup and Quick Start The front panel is quite simple with few user controls Input sou...

Page 3: ...a few seconds for the iPod to reconnect Play Pause starts and stops playback Forward and Back jump to the next track in the playlist The iLink II will charge the iPod when plugged in It works well wi...

Page 4: ...ource gives a true 24 bit resolution without the losses and errors that make your normal 16 or 24 bit DAC perform far less than their actual resolution normal 16 bit DACs only muster a meager 12 bits...

Page 5: ...ll The MSB Sign Magnitude Ladder DAC is like a Ladder DAC but refined in two ways Because the jars are typically 1 2 full when finished we start with very accurately 1 2 filled containers instead of e...

Page 6: ...Digital Filter which was feeding our DACs While the excellent Burr Brown Now owned by Texas Instruments DF1704 Digital Filter had served us well in the past it had became the bottleneck once we start...

Page 7: ...ment without problems Improvements we have made in our digital filter with its single stage design and 80 bit computation allow us to use very steep filters with no compromises Custom Filter Options W...

Page 8: ...atinum connected to a transport that will not change the Data Almost all older CD players are acceptable however there are some important exceptions Upsampling CD transports will not work The Upsampli...

Page 9: ...ontrol independently of the first analog input How to Hook Up a Subwoofer Main AMP Balanced Set the DAC for a balanced output and attach main amp normally Use the single ended output for subwoofer Pre...

Page 10: ...clock to be sent back to the transport But if you do have a need to access this clock it can be done Within the MSB Network connection is a clock interface that allows multiple Platinum products to b...

Page 11: ...o operate several MSB products The top half is primary for the transport The center is for the DAC and the lower part for the iLink Power The power button turns on and off the Power Base when the opti...

Page 12: ...for setup options DAC IV Menu Tree Top level menus are for operational controls Setup menus follow on the next pages Press the menu button on either the front panel or remote Navigate up and down the...

Page 13: ...l Filter Upsampler Select Phase Invert Upsampling Reclocking Digital Filter Upsampler Select Off On Balanced Single Ended Connected Lifted 1 15 Default 3 On Auto off Off Test Mode On 9dB 6dB 3dB 0dB 3...

Page 14: ...14...

Page 15: ...etely replaces the incoming clock Other sampling frequencies use the incoming clock from the source The DSP allocates a huge internal FIFO buffer 1 2 second at 44 1 that stores the incoming audio to d...

Page 16: ...cise DAC for making measurements Restore Settings Puts settings back to factory default setting Startup Volume This is the volume setting that is set upon power up Maximum Volume This is the maximum v...

Page 17: ...or more detailed and up to date information check our web site All three levels of USB input work basically the same with the difference being the maximum sample rate they can receive Apple MAC OS On...

Page 18: ...x 1 or Aux 2 slot One tricky thing we did is we tied the word sync option to a specific input In most cases when word sync is present it will be there for one source to the DAC but the rest of the sou...

Page 19: ...grade slot in the DAC IV The Network connector installs in one of the AUX input holes Unfortunately it is too big to fit in the older Diamond DAC IV without modifying the large heat sink This job will...

Page 20: ...hear a click and the front display should indicate frequency You hear audio clipping with outboard preamp the output level may be too high for your preamp Check the input specifications on your pream...

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