900 Series Modular Amplifiers Modular Design Advantages Design

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 · 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

900 Series Modules

Module Categories · Mic - · Line - · Typically from 0. 25 m. V (-70 d. Bu) to 2. 5 m. V (-50 d. Bu) Examples include: microphones, wireless microphone receivers Typically from 100 m. V (-18 d. Bu) to 7. 75 V (+20 d. Bu) 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

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

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

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

Module Model Numbers

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

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

Module Edge Connector

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

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

A-900 MK 2 Rear Panel View Mute 1 Mute 2 GND

Speaker Processor Modules

Speaker Processor Modules

900 Series Module Guide

M-900 MK 2 Mixer/Pre-amplifier · · Eight Module Slots Dual Mute Buses · Remote Master Volume Bass/Treble Controls Balanced, Transformer. Isolated Outputs Auxiliary Output · Bridge In/Out · · ·

P-900 MK 2 Series Power Amplifiers · 60, 120 and 240 Watt Models · One Module Slot Direct Input 25/70 V and 4/8 Ohm Speaker Outputs Protection Circuitry · · ·

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

900 Series Applications

Paging Over a Music Source

Telephone Paging and Music-On-Hold

Mute-Send/Receive Combination