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UK_AutoMixers_V2.doc 

Rev 2.0 

 
 
 

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INTERNAL MODIFIES for particular functions: 
a.  Locked priority assignation to one or more microphones. 
b.  Exclusion possibility of MUTE and priority functions, for each input independently. 
c.  TAPE output whit direct inputs signal or post master selection. 

 

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ADVANCED FUNCTIONS for flexible applications: 
a.  PRE OUT output (internal setting) could supplies the signal pre/post MASTER control and 

pre/post equalizer. 

b.  Audio power outputs for loudspeakers are arranged for connection to constant voltage lines 

50V, 70V, 100V and/or to constant impedance lines 4ohm. 

c.  Selection of 4 output lines of loudspeakers 
d.  Input  (LINK  IN)  to  connect  up  to  2  microphones  expansions.  TOTAL  EXTENTION 

CAPABILITY UP TO 24 MICROPHONES WITH

 

AM3008 EXPANSION. 

e.  Output (LINK OUT) to connect AM 3008 Expansion to AMA 3150, AMA 3250 and AM 3000 

(AM 3008 only) 

 

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OPTIONAL ADVANCED FUNCTIONS 
a.  C 656 OPTIONAL REMOTE CONTROL CARD 
 Optional  cards  for  independent  volume  remote  control  for  each  channel  and  for  the  master. 
This card could have ON/OFF or volume function. 
b.  C 718 OPTIONAL CARD FOR LOGICAL FUNCTIONS 
Optional card whit remote control connector for the logic circuits of each channel. 
Optional card for logic functions selectionable by dip-switch on the back panel 

I.  FILIBUSTER: the first active microphone closes all the others 

II.  OVERRIDE: opens all the microphones 

III.  NOM: set On or OFF the NOM circuit 

IV.  LAST ON: the last active microphone remain open 

 

FLEXIBLE FOR ANY APPLICATION 

 
The Automatic Mixer could have various uses for sound enhancement, recordings and broadcast. 
In  each  multi-micro  phonic  application,  in  which  single  speaker’s  voice    must  be  superior  to 
environmental noise and reverberation, AMA3150 supplies a clearer and more intelligible audio. 
 

 

POSSIBLE USES 
 

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Conferences 

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Places of worship 

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Hotels sound enhancement 

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Court halls 

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Audio conferences 

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Hotels  

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Schools  

 

 

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Airports  

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Offices   

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Supermarkets  

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Restaurants 

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Motorway restaurants 

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Auditorium 

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Industries 

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Gyms

Summary of Contents for AMA 3000

Page 1: ...UK_AutoMixers_V2 doc Rev 2 0 1 PUBBLIC ADDRESS SERIES PROFESSIONAL AUTOMATIC MIXER AMA 3150 AMA 3250 AM 3000 AM 3008 Owner s Manual...

Page 2: ...45 The Expansion has 8 electronically balanced micro phonics inputs With the possibility to connect up to 2 expansions in cascade could have a max of 24 micro phonics inputs available This unit is the...

Page 3: ...C 656 OPTIONAL REMOTE CONTROL CARD Optional cards for independent volume remote control for each channel and for the master This card could have ON OFF or volume function b C 718 OPTIONAL CARD FOR LOG...

Page 4: ...ing instead of turning on and off gives a softer and more natural starting Softened microphones even technically working are quite low to seem closed APPLICATIONS WITH PA SYSTEMS This kind of applicat...

Page 5: ...put supplies the direct signal of the inputs without the eventually settled tone corrections or the post master signal that is whit all the corrections settled by the tone and level controls OPTIONAL...

Page 6: ...GIC GROUND logic ground is different to the audio ground Connect at this pin all logic ground points supply s ground of outside logic circuit enclosed For avoid click in commutation condition do not c...

Page 7: ...d select to the outside the better loudspeakers type for the system to realize In Fig 3 there are any loudspeakers connections system example Constant voltage lines 50V 70V 100V In order to achieve th...

Page 8: ...CD 7dBu Output impedance PRE OUT Electronic balanced Unbalanced 140ohm bal 70ohm unbal Output sensitivity 0dBu Output impedance REC Unbalanced 70ohm unbal Output sensitivity 0dBu Output impedance SEND...

Page 9: ...ne main equalizer 19 LOUDSPEAKER speaker lines selector 20 POWER ON OFF switch 21 MAINS 230 V supply mains socket with protection fuse of CA mains 22 TAPE REC stereo output for audio recorder 23 TAPE...

Page 10: ...ble Gain 1 kHz 1 4kHz 700Hz 2 4kHz 2 kHz 6 3kHz 4 kHz 18 PROFESSIONAL AMPLIFIED AUTOMATIC MIXER 43 26 35 16 10 14 8 15 16 2 4 0 4 L O U D S P E A K E R 2 4 3 1 ZONE 19 Fig 1b Automatic Mixer AM3000 21...

Page 11: ...s Over Gate Mid Bass Gate Over Mid Gain Gain Treble Treble Bass Gate Over Mid Bass Over Gate Mid Gain Gain Treble Treble Bass Over Gate Mid Bass Over Gate Mid Gain Gain 20 REMOTE VOLUME 31 REMOTE LOGI...

Page 12: ...Z tot 8 4 125W 50 100 70 COM 4 V 0 Fig 3 _ LOUDSPEAKER LINES CONNECTION FOR AMA3150 AND AMA3250 Fig 3a _ Constant impedance lines connection Z tot 4 50 100 70 V COM 50V 50V 50V 4 0 100 50 70 COM 4 V...

Page 13: ...lume remote board in option JP1 On without volume remote control board option Open with volume remote board in option Don t get on more than one jumper for time JP17 On POST master PRE OUT output sign...

Page 14: ...UK_AutoMixers_V2 doc Rev 2 0 14...

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