Art DIGITAL MPA User's Guide download pdf (Page 3)

III

IMPORTANT SAFETY INSTRUCTIONS – READ FIRST ......................................................... II

DIGITAL MPA II OVERVIEW – FEATURES AND GENERAL INFORMATION: ...................... 1

FRONT PANEL CONNECTIONS AND CONTROLS ................................................................ 3

Input Gain control ..................................................................................................................................... 3

Input Impedance control ...........................................................................................................................4

Low Cut Filter control................................................................................................................................4

Gain switch ............................................................................................................................................... 4

Phantom switch ........................................................................................................................................5

Phase switch............................................................................................................................................. 5

Plate Voltage switch ................................................................................................................................. 5

Mid/Side switch.........................................................................................................................................6

Analog Output control ...............................................................................................................................6

STEREO/Dual switch................................................................................................................................ 6

+4/-10 switch (rear panel).........................................................................................................................7

Meter Trim ................................................................................................................................................ 7

Digital section front panel controls........................................................................................ 7

Digital Level control .................................................................................................................................. 7

Sample Rate control .................................................................................................................................8

Dither settings........................................................................................................................................... 9

Optical switch............................................................................................................................................9

Front Panel connections ....................................................................................................... 10

Instrument Inputs .................................................................................................................................... 10

Rear Panel connections ........................................................................................................ 11

Balanced Inputs ...................................................................................................................................... 11

Balanced Outputs ...................................................................................................................................11

Insert jacks.............................................................................................................................................. 12

Wordclock jacks...................................................................................................................................... 12

ADAT Input ............................................................................................................................................. 12

Optical output.......................................................................................................................................... 12

S/PDIF output .........................................................................................................................................13

AES/EBU output .....................................................................................................................................13

DIGITAL MPA II OPERATING INSTRUCTIONS..................................................................... 14

Obtaining the best noise performance with the DIGITAL MPA II............................................................ 14

Adjusting the Input Impedance ...............................................................................................................14

Obtaining the perfect digital level setting ................................................................................................ 15

Setting the Tube Plate Voltage ...............................................................................................................16

Using the Mid/Side mode........................................................................................................................ 17

WARRANTY INFORMATION.................................................................................................. 18

SERVICE ................................................................................................................................. 19

DIGITAL MPA II SPECIFICATIONS........................................................................................ 20

Analog Section:....................................................................................................................................... 20

Digital Section:........................................................................................................................................ 20

List of Figures

Figure 1 – Block Diagram .......................................................................................................... 2

Figure 2 – Front controls............................................................................................................ 3

Figure 4 – Rear connections .................................................................................................... 11

Figure 4 – Mid/Side Mic alignment........................................................................................... 17

1 2 3 4 5 6 7 8 ... 23 24

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Art DIGITAL MPA User's Guide Page 3

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