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900 Series Modular Amplifiers

900 Series Modular Amplifiers. Modular Design Advantages. Design Flexibility One Product for Many Applications Easy to Upgrade Easy to Repair and Service TOA Reliability. A-900 Series Mixer/Amplifiers. 30, 60 and 120 Watt Models Eight Module Slots Dual Mute Buses

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900 Series Modular Amplifiers

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  1. 900 Series Modular Amplifiers

  2. Modular Design Advantages • Design Flexibility • One Product for Many Applications • Easy to Upgrade • Easy to Repair and Service • TOA Reliability

  3. A-900 Series Mixer/Amplifiers • 30, 60 and 120 Watt Models • Eight Module Slots • Dual Mute Buses • Remote Master Volume • Bass/Treble Controls • 25/70 V and 4/8 Ohm Speaker Outputs • Auxiliary Output • Bridge In/Out • Pre-Out/Power In • Protection Circuitry

  4. 900 Series Modules

  5. Module Categories • Mic • Typically from 0.25 mV (-70 dBu) to 2.5 mV (-50 dBu) • Examples include: microphones, wireless microphone receivers • Line • Typically from 100 mV (-18 dBu) to 7.75 V (+20 dBu) • Examples include: AM/FM tuners, CD players, cassette decks, computer sound cards, jukeboxes, satellite receivers, signal processors, telephone page outputs, wireless microphone receivers • Special Function

  6. Mic Modules • Low-Impedance • Phantom Power • Hi/Low Cut Filters • Types • Standard • Mute-Send • Mute-Receive • Voice Gate • Compressor • Remote Volume

  7. Line Modules • Standard • Hi/Low Cut Filters • Balanced w/ Transformer-Isolation • 10k ohms or 600 ohms • Unbalanced • Dual RCA jacks (stereo sum) • Mute-Send • Mute-Receive • Remote Volume Control • Compressor

  8. Special Function • Line Output • Balanced, Transformer-Isolated, Level Control • Line Input w/ MOH Output • Mute-Receive • Tone Generators • 1k Hz Sine Wave • Buzzer/Yelp • Switch-Selectable Chime • Message Repeater • Speaker Processors • F-122CU, H Series

  9. Module Model Numbers

  10. F M P R R S* S S Module Connector Types *All “S ” type modules with 3--screw terminal connectors will change to Removable Terminal Block (Phoenix-style) in 2004.

  11. 900 Muting Modules • Mute Send • Activates the Mute function of Mute-Receive modules • Mute-Receive • Responds to Mute activation from Mute-Send modules or switch closure • Both types connect to Mute Bus #1 and #2

  12. Module Edge Connector

  13. Module Ch 1 Module Ch 2 Module Ch 3 Etc. Mute Bus Architecture Mute Bus Rear Panel Screw Terminal

  14. Mute Buses #1 #2 Module Ch 1 Rear Panel Screw Terminals Mute 1 Mute 2 Etc. Dual Mute Buses

  15. Mute 1 Mute 2 GND A-900MK2 Rear Panel View

  16. Speaker Processor Modules

  17. Speaker Processor Modules

  18. 900 Series Module Guide

  19. M-900MK2Mixer/Pre-amplifier • Eight Module Slots • Dual Mute Buses • Remote Master Volume • Bass/Treble Controls • Balanced, Transformer-Isolated Outputs • Auxiliary Output • Bridge In/Out

  20. P-900MK2 SeriesPower Amplifiers • 60, 120 and 240 Watt Models • One Module Slot • Direct Input • 25/70 V and 4/8 Ohm Speaker Outputs • Protection Circuitry

  21. 900 Series In-Wall Mixer/Amplifiers • 60 and 120 Watt Models • Six Module Slots (Expandable To Eight) • One Mute Bus • Graphic EQ • Compressor • 25/70 V and 4/8 Ohm Speaker Outputs • Bridge In/Out • Protection Circuitry • Flush or Surface-Mount

  22. 900 Series Applications

  23. Paging Over a Music Source

  24. Telephone Paging and Music-On-Hold

  25. Mute-Send/Receive Combination

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