Edax Audio Labs MP-800 Operation Manual Download Page 1 | Manualshive

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Edax Audio Labs MP-800 Operation Manual Download Page 1

DAX

E

Audio labs

OPERATION MANUAL

OPERATION MANUAL

WWW.EDAXAUDIO.COM

MP-800

8 CHANNEL VACUUM TUBE
MICROPHONE AMPLIFIER

ST

ANDBY

P H A S E

P H A S E

P H A S E

P H A S E

P H A S E

P H A S E

P H A S E

P H A S E

P H A S E

P H A S E

P H A S E

P H A S E

P H A S E

P H A S E

P H A S E

P H A S E

F I L T E R

F I L T E R

F I L T E R

F I L T E R

F I L T E R

F I L T E R

F I L T E R

F I L T E R

F I L T E R

F I L T E R

F I L T E R

F I L T E R

F I L T E R

F I L T E R

F I L T E R

F I L T E R

P H A N T O M

P H A N T O M

P H A N T O M

P H A N T O M

P H A N T O M

P H A N T O M

P H A N T O M

P H A N T O M

P H A N T O M

P H A N T O M

P H A N T O M

P H A N T O M

P H A N T O M

P H A N T O M

P H A N T O M

P H A N T O M

P A D

P A D

P A D

P A D

P A D

P A D

P A D

P A D

P A D

P A D

P A D

P A D

P A D

P A D

P A D

P A D

Min

Min

Min

Min

Min

Min

Min

Min

Of

f

Of

f

Of

f

Of

f

Of

f

Of

f

Of

f

Of

f

Max

Max

Max

Max

Max

Max

Max

Max

Max

Max

Max

Max

Max

Max

Max

Max

MIC/LINE

GAIN

MIC/LINE

GAIN

MIC/LINE

GAIN

MIC/LINE

GAIN

MIC/LINE

GAIN

MIC/LINE

GAIN

MIC/LINE

GAIN

MIC/LINE

GAIN

MIC/LINE

GAIN

MIC/LINE

GAIN

MIC/LINE

GAIN

MIC/LINE

GAIN

MIC/LINE

GAIN

MIC/LINE

GAIN

MIC/LINE

GAIN

MIC/LINE

GAIN

OUTPUT

LEVEL

OUTPUT

LEVEL

OUTPUT

LEVEL

OUTPUT

LEVEL

OUTPUT

LEVEL

OUTPUT

LEVEL

OUTPUT

LEVEL

OUTPUT

LEVEL

CHANNEL

1

CHANNEL

2

CHANNEL

3

CHANNEL

4

CHANNEL

5

CHANNEL

6

CHANNEL

7

CHANNEL

8

REV

REV

REV

REV

REV

REV

REV

REV

0dB0dB

0dB0dB

0dB

0dB

0dB

0dB

0dB

0dB0dB

NORM

NORM

NORM

NORM

NORM

NORMNORM

NORM

NORM

2

2

2

2

2

2

2

2

8

8

8

8

8

8

8

8

4

4

4

4

4

4

4

4

6

6

6

6

6

6

6

6

2

2

2

2

2

2

2

2

8

8

8

8

8

8

8

8

4

4

4

4

4

4

4

4

6

6

6

6

6

6

6

6

+48V

+48V

+48V

+48V

+48V

+48V

+48V

+48V

90Hz

90Hz

90Hz

90Hz

90Hz

90Hz

90Hz

90Hz

OFF

OFF

OFF

OFF

OFF

OFF

OFF

OFF

FLA

T

FLA

T

FLA

T

FLA

T

FLA

T

FLA

T

FLA

T

FLA

T

-20dB

-20dB

-20dB-20dB

-20dB

-20dB

-20dB

-20dB

-20dB-20dB

O

O

O

O

O

O

O

O

Clip

Clip

Clip

Clip

Clip

Clip

Clip

Clip

Ovl

Ovl

Ovl

Ovl

Ovl

Ovl

Ovl

Ovl

Sig

Sig

Sig

Sig

Sig

Sig

Sig

Sig

ON

OFF

Mp-800

DAX
EEEE

Audio

labs

EIGHT

V

ACUUM

TUBE

MICROPHONE

PREAMPLIFIER

EIGHT

V

ACUUM

TUBE

MICROPHONE

PREAMPLIFIER

1
2
3
...
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Summary of Contents for MP-800

Page 1: ... MIC LINE GAIN MIC LINE GAIN MIC LINE GAIN MIC LINE GAIN MIC LINE GAIN MIC LINE GAIN MIC LINE GAIN MIC LINE GAIN MIC LINE GAIN MIC LINE GAIN MIC LINE GAIN MIC LINE GAIN MIC LINE GAIN O U T P U T L E V E L O U T P U T L E V E L O U T P U T L E V E L O U T P U T L E V E L O U T P U T L E V E L O U T P U T L E V E L O U T P U T L E V E L O U T P U T L E V E L C H A N N E L 1 C H A N N E L 2 C H A N N...

Page 2: ...esult in damage to the product or other property Do not defeat the earth ground connection in the AC power cable Do not operate this unit in the presence of rain liquids or condensing moisture Liquid entering the product enclosure presents the risk of electric shock injury Do not touch the AC plug or enclosure with wet hands Do not defeat intended AC power connection polarization Do not use a dama...

Page 3: ...s superior sound perfomance to that of the mic preamps with input transformers used in professional audio mixers Using Class A vacuum tube parallel topology with only the finest semiconductors in their architecture gives you a preamplifier with sound characteristics that bypass in perfomance the preamp modules of the most expensive consoles in the world All the commutation functions are carried ou...

Page 4: ...TRATION and WARRANTY FREQUENCY RANGE CHART RECALL SHEET 5 1 Unpacking and Inspection 5 2 Rack mounting 5 3 Ventilation TABLE OF CONTENTS REAR PANEL PREAMPLIFIER OPERATION 5 4 Power Requirements 5 5 Servicing 8 1 Turning the power ON 8 2 Setting the gain 8 3 Using the MP 800 as a DI BOX 3 1 2 3 4 5 5 5 5 5 5 6 7 8 8 8 8 9 10 11 12 ...

Page 5: ...attenuator Aluminium knobs Ultra clean 48 Volt phantom power LED yellow show input peak conditions red output overload All signal routing with sealed relays Minimal internal signal wiring Fully regulated high voltage phantom and dc power supplies Gold plated Neutrik XLR input and output and jack connectors Dual Custom toroidal power transformer with mu metal shield for minimum hum Dual voltage AC ...

Page 6: ...tilation very 5 4 Power Requirements 5 5 Servicing For proper operation it is important that adequate ventilation is provided Vacuum tubes produce a significant amount of heat that must be removed from inside the chassis The top panel vents should never be blocked in any way We recommend that you provide adequate ventilation so that the air temperature surrounding the unit does not exceed 55 C 122...

Page 7: ...onnectors on the rear panel and Line levels 10 The Red Led iluminate when the phantom power is on The meter light indicates that the unit is on 5 FRONT PANEL STANDBY P H A S E P H A S E P H A S E P H A S E F I L T E R F I L T E R F I L T E R F I L T E R P H A N T O M P H A N T O M P H A N T O M P H A N T O M P A D P A D P A D P A D Min Off Max Max Max Max MIC LINE GAIN MIC LINE GAIN MIC LINE GAIN ...

Page 8: ...HI Z INPUT DI BOX TIP HI Z IN RING GND SLEEVE GND 1 4 HI Z INPUT DI BOX TIP HI Z IN RING GND SLEEVE GND email contact edaxaudio com http www edaxaudio com 1 2 1 2 3 4 5 6 SERIAL TO REDUCE RISK OF FIRE REPLACE FUSES ONLY WITH SAME TYPE AS SHOW TO REDUCE RISK OF FIRE REPLACE FUSES ONLY WITH SAME TYPE AS SHOW 4 AMP 115VAC SLOW BLOW 4 AMP 115VAC SLOW BLOW 2 AMP 230VAC SLOW BLOW 2 AMP 230VAC SLOW BLOW ...

Page 9: ...output level in 5 If the peak indicator flashes red excessively with the gain control in the fully counterclockwise position or engage the 20dB attenuator The 1 4 jack combo connector on the rear panel is used as vacuum tube direct box This input has an impedance of 1M ohms and can accommodate a wide variety of high impedance input sources including bass guitar keyboards electric guitars piezo tra...

Page 10: ...nging the 2 tubes at once If you are uncomfortable with replacing the tubes yourself please have It done by qualified service personnel 1 Unplug the MP 800 and wait at least 30 minutes for the high voltage in the unit to discharge and for the tubes to cool to room temperature 2 Only remove the top cover by removing the two 8 32 Phillips head screws It is not necesary to remove the bottom cover 3 N...

Page 11: ... applied to pins 2 and 3 1Vcc Mic Pad 20dB attenuation Mic Phase switch inverts the phase 180 degrees at the transformerless output Phase desviation 0 2 at 2KHz 0 4 at 20KHz 20 dBu output Hi Pass Filter Passive 12 dB octave rolloff 90Hz Polarity input and output XLR connectors are pin 2 hot Vacuum Tubes ECC82 12AU7 Power 100VAC to 240VAC 50 60Hz selectable Power consuption 80 watts maximum Dimensi...

Page 12: ...unauthorized by Edax Audio Labs in such a manner as to injure in Edax Audio Labs sole judgment the performance stability or reliability of the unit The warranty does not apply if the unit is connected installed or used otherwise than in accordance with the instructions furnished byEdax Audio Labs There is no warranty on vacuum tubes If the equipment requires warranty repair return authorization mu...

Page 13: ...2 2 6 3 7 0 2 2 7 9 3 8 3 3 1 3 5 9 6 3 5 2 0 0 0 3 9 5 1 0 7 4 1 8 6 0 1 C D E F G A B C D E F G A A A A A A A B B B B B B B C C C C C C C D D D D D D E E E E E E F F F F F F G G G G G G M A L E F E M A L E E B A S S G U I T A R C E L L O V I O L I N T R O M B O N E P I A N O H u m a n v o i c e H u m a n v o i c e S t r i n g i n s t r u m e n t s S t r i n g i n s t r u m e n t s A L T O S A X ...

Page 14: ...IN MIC LINE GAIN MIC LINE GAIN MIC LINE GAIN O U T P U T L E V E L O U T P U T L E V E L O U T P U T L E V E L O U T P U T L E V E L O U T P U T L E V E L O U T P U T L E V E L O U T P U T L E V E L O U T P U T L E V E L O U T P U T L E V E L O U T P U T L E V E L O U T P U T L E V E L O U T P U T L E V E L O U T P U T L E V E L O U T P U T L E V E L O U T P U T L E V E L O U T P U T L E V E L C H...

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