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OPERATING INSTRUCTIONS
IP Series
IP-600D
DUAL POWER AMPLIFIERS
IP-450D
IP-300D
TABLE OF CONTENTS
1. SAFETY PRECAUTIONS 2
8. CLEANING THE FILTER 9
4
2. GENERAL DESCRIPTION 9. REMOVING THE HANDLE 9
3. FEATURES 4
10. INSTALLING AN OPTIONAL
4. HANDLING PRECAUTIONS 4
MATCHING TRANSFORMER
5. NOMENCLATURE AND FUNCTIONS
LT-101 10
Front panel 5 11. BLOCK DIAGRAM 10
Rear panel 6 12. TABLE FOR PROTECTION CIRCUIT
6. INSTALLATION 7
ACTIONS 11
7. CONNECTIONS 8
13. APPEARANCE AND DIMENSIONS 11
12
14. SPECIFICA
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1. SAFETY PRECAUTIONS Be sure to read the instructions in this section carefully before use. Make sure to observe the instructions in this manual as the conventions of safety symbols and messages regarded as very important precautions are included. We also recommend you keep this instruction manual handy for future reference. Safety Symbol and Message Conventions Safety symbols and messages described below are used in this manual to prevent bodily injury and property damage which could result fr
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When the Unit is in Use When Installing the Unit Do not place heavy objects on the unit as this may Never plug in nor remove the power supply plug cause it to fall or break which may result in with wet hands, as doing so may cause electric personal injury and/or property damage. In shock. addition, the object itself may fall off and cause When unplugging the power supply cord, be sure injury and/or damage. to grasp the power supply plug; never pull on the Make sure that the volume control is set
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2. GENERAL DESCRIPTION TOA's IP series dual power amplifiers feature high durability, high quality sound and high output power (IP- 300D: 300 W, IP-450D: 450 W, IP-600D: 600 W - when a 4 load connected). Input/output levels and other functions can be remotely controlled from external equipment. (An interface unit is required. For details, contact your TOA dealer.) The amplifier is ideal for use in store sound systems, permanently-installed sound systems, and other sound systems. 3. FEATURES S
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5. NOMENCLATURE AND FUNCTIONS [ Front Panel ] Power switch Carrying handle Power is switched on and off with each Can be detached. Refer to p.9 when removing. depression of this switch. Input level control (pushlock type) Power indicator lamp Clicks at each dB mark on the scale when rotated. This Lights green when the power is switched on. knob is recessed to avoid accidental setting changes. Pressing on the knob raises it above the front panel to Signal indicator lamp permit level adjustment. L
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[Rear panel] Input terminal Level control switch Usually, set this switch to OFF. When an interface unit Electrically-balanced input terminals. The 3P screw terminal is connected in parallel with a balanced phone is connected, shifting this switch to ON permits external jack. input level adjustment. Also, the input can be converted into a transformer- balanced input using an optional matching transformer [Precautions] No sound is output if the level control switch is set to LT-101. ON without co
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6. INSTALLATION Carefully note heat radiation when installing the unit. These power amplifiers are equipped with a cooling fan. To avoid heat buildup, ensure that the rear of the unit is at least 10 cm away from the wall surface. When mounting the unit in the rack, the inside of the rack must be well ventilated. To accomplish this, keep the rear side of rack open (no panel is mounted), and mount a ventilation panel of over 1-unit size in the uppermost and lowermost rack positions on the rack fro
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7. CONNECTIONS 1. Switch off the amplifier power. 2. Unscrew the output terminal cover. 3. Strip 10 mm of insulative jacket from the end of the speaker cable, as shown in the figure at right. 4. Connect speaker cables to the output terminals. 5. Fit the output terminal cover in place. [Precautions] Be sure to fit the output terminal cover in place. Take care that the naked wires of the speaker lines do not contact the unit's chassis. Refer to the figures below for connections for each output mod
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8. CLEANING THE FILTER 1. Switch off the amplifier power. 2. Pull the filter from the front panel as shown in the figure. 3. Clean the filter. 4. Fit the filter in place. [Precautions] Make sure that the fan is turned off when removing the filter. Filter 9. REMOVING THE HANDLE 1. Switch off the amplifier power. 2. Remove the handle cover. 3. Remove two screws holding the handle to the amplifier. 4. Remove the handle. Handle 5. Install the supplied screws (M4x20). Handle cover 6. Attach the handl
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10. INSTALLING AN OPTIONAL MATCHING TRANSFORMER LT-101 [ CAUTION ] THESE SERVICING INSTRUCTIONS ARE FOR USE BY QUALIFIED PERSONNEL ONLY. TO AVOID ELECTRIC SHOCK, DO NOT PERFORM ANY SERVICING OTHER THAN THAT CONTAINED IN THE OPERATING INSTRUCTIONS UNLESS YOU ARE QUALIFIED TO DO SO. REFER ALL SERVICING TO QUALIFIED SERVICE PERSONNEL. 1. Attach sleeves supplied with the transformer to the transformer. 2. Remove case fixing screws to remove the case. 3. When installing the transformer at channel 1,
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12. TABLE FOR PROTECTION CIRCUIT ACTIONS Remedy Reset Symptom Action Indicator Excessive current flow Current limiter operates Peak indicator lights. Remove overload. Automatically reset if 4 due to overload (STEREO/PARALLEL) or when load resistance is under 2.5 (STEREO/ 8 (BTL) load is connected. PARALLEL) or 5 (BTL). Short circuit (under 0.5 ) Protection circuit Check short circuit of Switch power off, connect Current limiter operates. indicator lights. speakers and lines. correct load, and sw
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14. SPECIFICATIONS Model No. IP-600D IP-300D IP-450D Output 20 Hz - 20 kHz STEREO RL=4 300 W 450 W 600 W 200 W 400 W RL=8 300 W 1200 W BTL RL=8 600 W 900 W Frequency Response 20 Hz - 20 kHz (+0 dB, -0.5 dB) Total Harmonic Distortion 8 , 1 kHz 0.01% 8 , 20 Hz - 20 kHz 0.1% Intermodulation Distortion 0.03% 60 Hz : 7kHz= 4:1, 8 Input Sensitivity + 5.3 dB (1.42 V) ±0.5 dB + 2.2 dB (1.00 V) ±0.5 dB + 4.0 dB (1.23 V) ±0.5 dB (8 , input level control in maximum position) Voltage Gain 32 dB Input Impeda
