XTE Electronic AMA 3150 Owner's Manual

Public address series professional automatic mixer

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PUBBLIC ADDRESS SERIES
PROFESSIONAL AUTOMATIC MIXER
AMA 3150
AMA 3250
AM 3000
AM 3008
Owner's Manual
UK_AutoMixers_V2.doc
Rev 2.0
1

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Summary of Contents for XTE Electronic AMA 3150

  • Page 1 PUBBLIC ADDRESS SERIES PROFESSIONAL AUTOMATIC MIXER AMA 3150 AMA 3250 AM 3000 AM 3008 Owner’s Manual UK_AutoMixers_V2.doc Rev 2.0...
  • Page 2: Product Description

    (see under Main Features and Installation) MAIN FEATURES AMA 3150, AMA 3250, AM 3000 and AM 3008 is equipped with a whole of features, which help, in adapting mixer to particular applications. •...
  • Page 3: Possible Uses

    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) •...
  • Page 4: Power Supply

    WHY AUTOMATIC MIXING IS NECESSARY Installations with more microphones have always given several problems to audio technicians. Using few microphones, some speakers have a clear audio, while others seem to be “far away”. If too much microphones are used, the background noise is higher and it makes difficult listening to the speakers.
  • Page 5: Installation

    INSTALLATION Advanced functions • Commutators (19 of fig. 1a) enable loudspeakers to be silenced and could activate 4 different zones separately. • LINK IN input (34 of Fig. 1) is used to increase the disponibility of number of the microphones connecting an expansion by one cable (Patch cord CAT 5 FTP 8 pin whit RJ45) •...
  • Page 6 • The remote control card of logic circuits consents to extend the adjustment options and opportunity of installations. The logic circuits could be used for different applications, from simple ‘cough’ push button to complex environment systems adjusted by computer. a. GATE: when the respective audio channel is get activated by audio signal at its input, it turn at ‘low’...
  • Page 7 • Be sure that mass commutator (29 of Fig. 1) is in mass-connected position. LOUDSPEAKER CONNECTIONS (AMA 3150 and AMA 3250 only) The device is provided with an output terminal board (35 of Fig.1a) where there are all impedances available, for connection to constant impedance and constant voltage lines.
  • Page 8 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...
  • Page 9 SPECIFICATIONS ( AMA 3150-AMA 3250-AM 3000-AM 3008) AMA 3150 AMA 3250 AM 3000 AM 3008 Output power RMS 150W 250w -------------------------- --------------------------- 50V, 70V, 100V 50V, 70V, 100V Output power IHF 225W 375W -------------------------- --------------------------- 50V, 70V, 100V 50V, 70V, 100V...
  • Page 10 FIG. 1a (Amplified Automatic Mixers AMA 3150-AMA 3250) ZONE PROFESSIONAL AMPLIFIED 6,3kHz Gain Gain Gain Gain Gain Gain Gain Gain AUTOMATIC MIXER 4 k Hz 3,15kHz 2,4kHz T reble Treble Treble Treble Treble Treble Treble Treble 2 k Hz 1,4kHz...
  • Page 11: Remote Control

    Fig.1c (Expansion AM 3008) PROFESSIONAL Gain Gain Gain Gain Gain Gain Gain Gain AUTOMATIC MIXER EXPANSION Treble Treble Treble Treble Treble Treble T reble T reble Bass Bass Bass Bass Bass Bass Bass Bass Over Over Over Over Over Over Over Over Gate...
  • Page 12 Fig.3 _ LOUDSPEAKER LINES CONNECTION FOR AMA3150 AND AMA3250 4Ω 4Ω 4Ω Z tot= 4Ω 4Ω Fig.3a _ Constant impedance lines connection 100V 100V 100V Fig.3b _ Constant voltage lines connection LOUDSPEAKER ZONE 100V 100V 4Ω 8Ω Z tot= 125W 100V 100V 4Ω...
  • Page 13 FIG. 5 On = micro sensibility. Open = line sensibility. On = without volume remote control board (option). Open = with volume remote board in (option). MICRO / LINE JP14 JP14 On = without volume remote control board (option). Open = with volume remote board in (option). TAPE / CD Don't get on more than one jumper for time.
  • Page 14 "# $ % & ' ( $ ))) UK_AutoMixers_V2.doc Rev 2.0...

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