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UK_AutoMixers_V2.doc 

Rev 2.0 

 

SPECIFICATIONS (AMA 3150-AMA 3250-AM 3000-AM 3008) 

 

LINE 

Electronic balanced/Transformer optional 

Maximum level:  

100mV(GAIN max) 3V(GAIN min) 

Input sensitivity:  

8mV  (-40dBu)/430mV (-5dBu) 

 

MICRO 

Electronic balanced/Transformer optional 

Maximum level: 

2.5mV(GAIN max) 200mV(GAIN min) 

Input sensitivity:  

0,7mV  (-61dBu)/45mV (-25dBu) ±1dB 

CMRR:  

>60dB 

Gain excursion  

36dB 

Hi-pass filter:  

100Hz  6dB/oct 

Phantom power supply:  

+48V 

 

Impedance  TAPE/CD

47Kohm 

Input sensitivity TAPE  

-12dBu 

Input sensitivity 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  

 Unbalanced    70ohm  unbal 

Output sensitivity:  

 0dBu 

 

Impedance  RETURN  

47Kohm 

Input sensitivity:   

 0dBu 

 

Bass: 

±12dB a 70Hz 

Mid: 

±12dB a 700Hz 

Treble: 

±12dB a 10KHz 

Equalizer:  

±10dB     Freq.   315, 500, 700, 1K, 1K4, 2K, 2K4, 3K15, 
4K, 6K3Hz 

 

Frequency response (-3dB) input CD: 

50Hz÷20KHz 

Frequency response (-3dB) input MIC: 

100Hz÷16KHz 

S/N RATIO 20÷20KHz weighted master at anticlockwise 

95 dB 

S/N RATIO 20÷20KHz weighted at clockwise 

84 dB 

EIN  Micro  (noise  equal  to  the  input)  20÷20KHz  weighted 
Rs=150ohm 

-126dBV 

 

Power supply: 

230V~   50÷60Hz 

 

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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