Toa 900 Series Operation & Instruction Manual Download Page 6 | Manualshive

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Toa 900 Series Operation & Instruction Manual Download Page 6

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Summary of Contents for 900 Series

Page 1: ... Bridging Trans formers for bridging high impedance lines the L 01 series Line Matching Transformers for matching 600 ohm lines 1 01 Paging Input for combining with the TOA Intercom System EXES 1000 EXES 5000 and EX 16 and the S 01 S 02 and S 03 Tone signal generators for generating attention getting signals and 1 kHz sine wave for testing within the total system The P 906A and P 912A have a low c...

Page 2: ...ith power consumption of up to 500W Protects amplifier from excessive current drain Replace only with same type fuse Refer to qualified service personnel if fuse blowsrepeatedly Connect to speakers Accepts PLUG IN MODULES which are optionally available Module selection is determined by application Cuts off unnecessary low frequency Selects input sensitivity Place in 1V 0dBv position when normally ...

Page 3: ...with presettable gain control Signal tone generator module with presettable output level control 1 kHz sine wave Yelp and buzzer One tone chime and continuous one tone chime Model No H 01 H 21 H 02 H 22 H 03 E 01 X 01 X 21 B 01 L 01 l 01 S 01 S 02 S 03 InputLevelSW Setting 1V 0dBv _ 0 o 100mV 0 0 0 o 0 o 0 o 0 o 0 0 See PLUG IN MODULES for details Two types of input terminals are provided on the r...

Page 4: ...uts Class 2 wiring may be used Since these outputs consist of 8 25V and 70V via the output transformer matching transformer and direct output of 4 the connecting method differs in each case See the following diagrams Note Impedances indicated below imply total speaker system load impedance When connecting speakers to any one of the outputs of 8 O 25V or 70V BALANCED TRANSFORMER OUTPUT Note In this...

Page 5: ... between the units for ventilation The PF 911 Perforated Panel is recom mended for this purpose Continuous signals When the power amplifier is used in combination with a mixer pre amplifier adjust the total gain at the mixer preamplifier with the gain setting of the power amplifier at maximum Output Fuse Each amplifier has an output fuse to protect the amplifier from short circuiting at the output...

Page 6: ...Block Diagram P 906A P 912 A 5 ...

Page 7: ...lanced D Less than 0 5 dB no load to full load T Less than 1 0 dB no load to full load Input level switch in 0 dBv 1 000 mV position 108 dB Input level switch in 20 dBv 100 mV position 90 dB 1 Input gain control 1 Input level switch 1 Low cut switch 60 Hz 6 dB octave 1 Illuminated VU meter Self protection with 2 AC fuses 1 inside and 1 output fuse Inputs Card edge connector and screw terminal stri...

Page 8: ...NTERCOM SYSTEMS It accepts paging signals from the intercom station A group of special signal generating modules is also available for catching attention before announcement and testing within the total system ALL PLUG IN MODULES have handles on their front for easy insertion and removal INPUT CONNECTIONS T 01 OUTPUT CONNECTION Features 1 Wide dynamic range 2 Low noise and distorition 3 Wide frequ...

Page 9: ...minal setting of controls LOW CUT FILTER CONTROL 330Hz 6dB oct max attenuation MUTE DELAY CONTROL I 01S HIGH CUT FILTER CONTROL 4 2kHz 6dB oct max attenuation This provides flat characteristics at full CW position and attenuation in low frequency by turning CCW Adjust it to obtain proper tone quality With low cut tonebecomes clear This adjusts MUTE delay time which is the duration from signal inpu...

Page 10: ...TOA NEW 900 SERIES Block Diagrams Plug in Modules 10 ...

Page 11: ...ternal equipment and as a REC out It is provided with a presettable gain control T 01 Series should be used exclusively for TOA 900 series A 903A A 906A A 912A and M 900A Use it only in Input Port 5 or 6 of the above models It will not operate when connected into other PORTS Approx 5 seconds after power has been supplied to these modules the output signal is transmitted S 01 1 000Hz SINE WAVE Conn...

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