Toa A-230 HV Operating Instructions Manual Download Page 5

5

7.  CONNECTIONS

7.1. Input Connections

Mic 1, Mic 2, Mic 3 Connection (Phone Plug)

Single core shielded cable     

To Mic input

MIC 

Single Pole Phone  Plug     

AUX input Connections (RCA pin jack)

Signal source  
(Tuner, 

Cassette Tape, 

etc)

Single core shielded cable

6. INSTALLATION

Keep the unit over 10 cm away from objects that may obstruct air flow to prevent the unit's internal
temperature rise.

over 10 cm

over 10 cm

over 10 cm

7.2.  Output Connections

Be sure to replace the supplied terminal cover after connection
completion. Because high voltage is applied to the speaker terminals,
never touch these terminals to avoid electric shock.

CAUTION

Low Impedance Speaker

100 V Line Speaker

COM

+12 V

4Ω 100V

4 − 8Ω
Speaker

100 V Line
Speaker

COM

+12  V

4Ω 100V

CAUTION!

• The 4 

Ω

and 100 V terminals cannot be used at the same time.

• Impedance indicated above the terminal represents the total speaker

(load) impedance. 
Total impedance of 100 V line is 330 

Ω

.

Summary of Contents for A-230 HV

Page 1: ...uture reference 1 SAFETY PRECAUTIONS 2 2 GENERAL DESCRIPTION 3 3 FEATURES 3 4 NOMENCLATURE AND FUNCTIONS 4 1 Front 3 4 2 Rear 4 5 MUTING FUNCTION 4 6 INSTALLATION 5 7 CONNECTIONS 7 1 Input Connections...

Page 2: ...ly cord is damaged exposure of the core disconnection etc If it is malfunctioning no tone sounds To prevent a fire or electric shock never open nor remove the unit case as there are high voltage compo...

Page 3: ...ed for paging announcement or background music in schools offices shops factories mosques churches and small rooms 3 FEATURES High durability high reliability and high performance Three microphone inp...

Page 4: ...ion for details 13 MIC 1 MIC 2 and MIC 3 Inputs 60 dBV 1 mV 600 unbalanced Because microphone input is unbalanced type use a single pole phone plug Refer to Input Connection for details 14 Muting Leve...

Page 5: ...al temperature rise over 10 cm over 10 cm over 10 cm 7 2 Output Connections Be sure to replace the supplied terminal cover after connection completion Because high voltage is applied to the speaker te...

Page 6: ...mn Speaker with Matching Transformer 100 V Line Horn Speaker with Matching Transformer 12 V DC Battery 8 VOLUME CONTROL SETTINGS Output levels are adjustable with individual volume controls For music...

Page 7: ...100 V output 40 dBV 40 60 40 20 20 0 dBV Mic 60 dBV MIC3 600 60 dBV Unbalanced MIC2 600 60 dBV Unbalanced MIC1 600 60 dBV Unbalanced AUX 10 k 20 dBV Unbalanced DC Fuse PT AC Fuse 100 V 4 COM 12 V DC I...

Page 8: ...in jack Speaker Out All Speaker Outputs are Floating Balanced 100 V 330 4 11 V S N Rasio Over 60 dB MIC1 2 3 Over 70 dB AUX Tone Controls Bass 10 dB at 100 Hz Treble 10 dB at 10 kHz Muting MIC1 overri...

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