Toa P-924A Operating Instructions Manual Download Page 8

"Jumper Wire Setting"

M-01, 11, 21, 51, 61

All the microphone modules come with phantom powering capability. I

not desired, cut J1 on the board.

U-21

Cut J2 on the board to use as a remote master volume control unit
Leave J2 on to use as a remote-control AUX module.

U-61

Cut J2 on the board to use as a compressor unit which goes between
PREAMP OUT and POWER AMP IN (LINK IN/OUT).

M-11

Either (both) J3 or (and) J4 is (are) to be cut for a proper operation.

Refer to the table below.

^Z: Impedance Mute:

 Normally "On", becomes "Off" when muting

__ terminals are closed.
Mute: Normally "Off", becomes "On" when muting

terminals are closed.

(Plug-in Modules)

S-01 (1 ,000Hz SINE WAVE)

CONNECTIONS

It is operated by closing the remote

switch.

Remote switch

S-02 (YELP AND BUZZER)

CONNECTIONS

Yelp signal

Remote switch

Buzzer signal

Each signal is generated by closing cor-

responding remote switches.

Remote switch

S-03 (ONE-TONE CHIME AND CONTINUOUS ONE-TONE

CHIME)

CONNECTIONS

One-tone chime

Remote switch

By closing the remote switch, chime
sounds once.

Continuous one-tone chime

Remote switch

By closing the remote switch, one-tone

chime sounds continuously during the
closure of the switch.

Rack-mounting Brackets Perforated Panel

(Silver) (Silver)

Volume Control Cover

J3

on

cut

on

cut

J4

on

on

cut

cut

Function

No output signal

Normally "Off", becomes "On" when muting

terminals are closed.

Normally "On", becomes "Off" when muting

terminals are closed.

Works as a regular microphone input module.

Plug-in Modules

Operation and Connections

Block Diagrams (Plug-in Modules)

Accessories

TOA 900 SERIES

Summary of Contents for P-924A

Page 1: ...er the U 01 series U 21 series and U 61 series Auxiliary Preamplifiers for high level sources the B 01 series Bridging Transformers for bridging high impedance lines the L 01 series Line Matching Tran...

Page 2: ...3 4 5 6 7 8 9 10 11 Name AC POWER SUPPLY CORD AC OUTLET Unswitched AC FUSE DC FUSE DC FUSE OUTPUT TERMINALS MODULE INPUT PORT LOW CUT SWITCH INPUT LEVEL SWITCH DIRECT INPUT TERMINAL EARTH TERMINAL Fun...

Page 3: ...tputs of the amplifier are 4 8 25V and 70V Connect speakers to one of these outputs Class 2 wiring may be used Since these outputs consist of 8 P 924A output UNBLANCED Signal tone generator module wit...

Page 4: ...ength of the screws should not Silver exceed 12mm 1 2 inches OPTION Perforated Panel PF 911 OPTION Silver If two or more amplifiers are mounted in an equipment rack space should be pro vided between t...

Page 5: ...ad to full load T Less than 1 0 dB no load to full load Input level switch in 0 dBv 1 000 mV position 105 dB Input level switch in 20 dBv 100 mV position 90 dB 1 Input gain control 1 Input level switc...

Page 6: ...it con stant M 51 series is built in voice gate circuit to be automatically activated by presence of signal U 12 can adjust mute level T 01 series is an output module with transformer serving as a lin...

Page 7: ...level This adjusts gam of the line output Turn clockwise CW to increase and counterc lockwise CCW to reduce gam regardless of setting position of the input gam adjust knob The left figure shows nomina...

Page 8: ...ed by closing the remote switch Remote switch S 02 YELP AND BUZZER CONNECTIONS Yelp signal Remote switch Buzzer signal Each signal is generated by closing cor responding remote switches Remote switch...

Page 9: ...10...

Page 10: ......

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