Toa A-2030 H Operating Instructions Manual Download Page 8

7.  CONNECTIONS 

7.1.  Input Connections

Mic1, Mic2, Mic3 Connection (Phone Plug)

   Because MIC input is electronically balanced type, it uses double pole phone plug.

MIC

Two Core Shielded Cable

MIC

Double Pole Plug

To Mic

ic

Phantom Switch Position

In the case of Dynamic Microphone

   In the case of Phantom Power Microphone

PHANTOM

PHANTOM

ON

OFF

ON

OFF

However, the microphone input circuit is in a condition of unbalance when it uses Single pole type. 

Because it is easy to pick up noise with the state of unbalance, the length of the microphone cable

recommends what is used at less than 10m.

One Core Shielded

MIC

MIC

Single Pole Phone Plug

To Mic

AUX input Connections (RCA pin jack)

Signal so

urce (Tuner, Cassette Tape, etc)

One Core Shie

lded

8

Summary of Contents for A-2030 H

Page 1: ...L A 2120 H A 2120 SA A 2240 L A 2240 H A 2240 SA OPERATING INSTRUCTIONS PA AMPLIFIERS Please follow the instructions in this manual to obtain the optimum results from this unit We also recommend that...

Page 2: ...5 5 NOMENCLANTURE AND FUNCTIONS 5 1 Front 6 5 2 Rear 6 6 MUTING FUNCTION 7 7 CONNECTIONS 7 1 Input Connections 8 7 2 Output Connections 9 7 3 Example of External Equipment Connections 9 8 INSTALLATIO...

Page 3: ...s section for correct and safe operation Be sure to follow all the precautionary instructions in this section which contain important warnings and or cautions regarding safety After reading keep this...

Page 4: ...or in locations generating sooty smoke or steam as doing otherwise may result in fire or electric shock To avoid electric shocks be sure to unplug the unit s power supply cord when connecting speakers...

Page 5: ...t Speaker output of constant voltage distribution system 70V or 100V and low impedance 4 Operates on both AC and DC power Muting function Independent input volume controls and master volume control In...

Page 6: ...s an output signal 4 Microphone Volume Control Adjusts the microphone level 5 AUX Volume Control Adjusts the AUX level 5 NOMENCLATURES AND FUNCTIONS 6 Bass Control Adjusts bass response Rotate counter...

Page 7: ...ks Accept external equipment output signal 14 Muting Level Control Adjusts the background music level 0 30dB to be automatically reduced when priority function is operated 15 Ground Terminal Connect t...

Page 8: ...ophone In the case of Phantom Power Microphone PHANTOM PHANTOM ON OFF ON OFF However the microphone input circuit is in a condition of unbalance when it uses Single pole type Because it is easy to pic...

Page 9: ...ime Impedances indicated at the terminal represent the total speaker system load impedances Total impedances of 100V line Total impedances of 70V line 330 A 2030 170 A 2060 170 A 2030 83 A 2060 83 A 2...

Page 10: ...at the sound quality is downgraded when the peak indicator remains lit 10 BLOCK LEVEL DIAGRAM ON OFF AUX2 10k 20dBV Unbalanced AUX1 10k 20dBV Unbalanced MIC1 600 60dBV Balanced MIC2 600 60dBV Balanced...

Page 11: ...11 DIMENSIONAL DIAGRAM units mm inches A 2120 L A 2120 H A 2120 SA A 2240 L A 2240 H A 2240 SA A 2030 L A 2030 H A 2030 SA A 2060 L A 2060 H A 2060 SA 11...

Page 12: ...cators Power LED Signal LED Peak LED 5 0 kg 7 0 kg 10 8 kg 13 2 kg 11 05 lb 15 43 lb 23 81 lb 29 10 lb 0 dBV 1 0 V Specifications are measured on 240V AC for H and SA version and 120V for L version No...

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