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TOA Electronics IP-450D manual

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Table of contents for the manual

  • Page 1

    OPERATING I NSTRUCTIONS I P Series DUAL POWER AMPLIFIERS IP-600D IP-450D IP-300 D TABLE OF CONTENTS 1 . SAFETY PRECAUTIONS 2. GENERAL DESCRIPTION 3. FEATURES 4. HANDLING PRECAUTIONS 5. NOMENCLATURE AND FUNCTIONS Front panel Rea r panel 6. INSTALLATION 7. CONNECTIONS 8. CLEANING T HE FILTER 9. REMOVING T HE HANDLE 1 0. INSTALLING A N OPTIONAL MATCHI[...]

  • Page 2

    1 . SAFETY PRECAUTIONS B e sure to r ea d the instructions i n this section carefully before use. M a ke sure to observe the instructions in this m anual as t h e conventions o f safety symbols and messages regarded as very important precautions are inc l uded. We also recommend y o u keep th is in struction manual handy f o r f u t u r e re f eren[...]

  • Page 3

    When Installing t he Unit Never plug in nor remove t he power supply pl ug with w et hands, as doing so m ay cause electric shock. Wh en unplugging the power supply cord, be sur e to grasp the power supply plug; never pull on th e co r d itself. Operating the un it wi th a damaged power supply cord m ay cause a fire o r electric shock. When moving [...]

  • Page 4

    2 . GENERAL DESCRIPTION TOA's I P series dual power amplifiers feature high durability, high quality sound and high output power (IP- 30 0 D : 300 W , IP-450D: 450 W, IP-600D: 600 W - wh e n a 4 load connected). Input/output levels and other fu n ct i o ns c an be remotely controlled f r o m external equipment. ( A n int erface un i t i s requ[...]

  • Page 5

    5. NOMENCLATURE AND FUNCTIONS [ Front Panel ] Power switch Power is switched on and of f with each depression o f this switch. Power indicator lamp Lights green when the power is switched on . Signal indicator l amp Lights green regardless of th e in put level control setting when there i s a n input of a signal with a level exceeding -30 dB . Peak[...]

  • Page 6

    [R e a r panel] Input t ermi nal Electrically-balanced input terminals. T h e 3P screw terminal is connected i n parallel wi t h a balanced phone jack. Also, the in p ut ca n be converted into a transformer- balanced input usin g a n optional matching transformer LT-101. 3P screw terminal H:HOT C:COLD E:GROUND Balanced phone j ac k T (Tip): HOT R ([...]

  • Page 7

    6. INSTALLATION Carefully note heat radiation when in st a lling t he unit. These power amplifiers are equipped with a cooling fan. To avoid heat buildup, ensure that the rear o f th e unit is at least 10 cm away from th e wall surface. Wh en mounting the u n it in the rack, the i nsid e of the rack must be w e l l ventilated. To accomplish this, k[...]

  • Page 8

    7. CONNECTIONS 1 . Swi tch o f f th e amplifier power. 2. Unscrew the output terminal cover. 3. Strip 1 0 mm o f insulative jacket f r om th e end of the speaker cable, as shown i n the figure a t right. 4. Connect speaker cables to the output terminals. 5. Fi t the output terminal cover i n place. [Precautions] B e sure to f i t the output termina[...]

  • Page 9

    8. CLEANING THE FILTER 1 . Switch off the ampl ifier power. 2 . Pu l l the filter from th e front panel as shown in the figure. 3. Clean the filter. 4 . F i t th e filter i n place. [Precautions] Mak e sure that the f a n i s turned off when removing the filter. Filter 9 . REMOVING THE HANDLE 1 . Switch of f the amplifier power. 2. R e mo ve th e h[...]

  • Page 10

    1 0. IN STA LL ING AN OPTIONAL M ATCHING T RANSFORMER LT-101 [ CAUTION ] THESE SERVICING INSTRUCTIONS A R E FOR USE BY QUALIFIED PERSONNEL ONLY. T O AVOID ELECTRIC S HOCK, D O N OT PERFORM ANY SERVICING OTHER THA N THA T CONTAINED IN THE OPERATING INSTRUCTIONS UNLESS YO U A R E QUALIFIED TO D O SO. REFER ALL SERVICING TO QUALIFIED SERVICE PE RS ONN[...]

  • Page 11

    1 2. TABLE FO R PROTECTION CIRCUIT ACTIONS Symptom Excessive current flow due to overload Short circuit (under 0.5 ) Heat sink temperature rise Unusual DC v o ltage output Action Current limiter operates when lo ad resistance is under 2.5 (STEREO/ PARALLEL) or 5 (BTL). Current limiter operates. Speaker loads cut b y output rel a y. Speaker loads cu[...]

  • Page 12

    14 . SPECIFICATIONS Model No . Output 20 Hz - 2 0 kHz STEREO RL=4 RL=8 BT L RL=8 Frequency Response Total Harmonic Distortion 8 , 1 kHz 8 , 20 H z - 20 kH z Intermodulation Distortion 6 0 Hz : 7kHz= 4 : 1 , 8 Input Sensitivity (8 , input level control in maximum position) Voltage Ga i n Input I m pedance Signal-to-Noise Ratio 20 Hz - 20 kHz Cooling[...]