TOA Electronics 9000 Series Stereo Amplifier User Manual
Contents
1. 4 Removable terminal plug 3 pins 2 Terminal cover 1 Terminal cover mounting screw M4 x 8 2 Volume control cover YA 920 2 URL http www toa jp Z TOA Corporation 133 22 168 4A2. damaged in any way such as power supply cord or plug is damaged liquid has been spilled or objects have fallen into the apparatus the apparatus has been exposed to rain or moisture does not operate normally or has been dropped 2 SAFETY PRECAUTIONS Before installation or use be sure to carefully read all the instructions in this 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 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 from mishandling Before operating your product read this manual first and understand the safety symbols and messages so you are thoroughly aware of the potential safety hazards The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operation and maintenance servicing instruction in the literature accompanying the appliance AN WARNING Indicates a potentially hazardous situation which if mishandled could result in death or serious personal injury When Installing the Unit Do not expose the unit to rain or an environment where it may be splashed by water or other liquids as doing so may result in fire or electric shock Use the u
3. supply plug from the AC outlet and contact your nearest TOA dealer Make no further attempt to operate the unit in this condition as this may cause fire or electric shock If you detect smoke or a strange smell coming from the unit If water or any metallic object gets into the unit If the unit falls or the unit case breaks If the power supply cord is damaged exposure of the core disconnection etc If itis malfunctioning no tone sounds To prevent a fire or electric shock never open nor remove the unit case as there are high voltage components inside the unit Refer all servicing to your nearest TOA dealer Do not place cups bowls or other containers of liquid or metallic objects on top of the unit If they accidentally spill into the unit this may cause a fire or electric shock CAUTION Indicates a potentially hazardous situation which if mishandled could result in moderate or minor personal injury and or property damage When Installing the Unit Never plug in nor remove the power supply plug with wet hands as doing so may cause electric shock When unplugging the power supply cord be sure to grasp the power supply plug never pull on the cord itself Operating the unit with a damaged power supply cord may cause a fire or electric shock Do not block the ventilation slots in the unit s cover Doing so may cause heat to build up inside the unit and result in fire Avoid installing the unit in hu
4. dangerous voltage within the product s enclosure that may be of 2 The lighting flash with arrowhead symbol within an equilateral triangle is intended to alert the user sufficient magnitude to constitute a risk of electric shock to persons N ATTENTION L appareil ne doit pas tre expos aux claboussures ou coulements et tous objets remplis de liquide tels que vases ne doivent pas tre sur l appareil 3 GENERAL DESCRIPTION TOA s P 9060DH Power Amplifier is a 2 channel amplifier providing 60 W per channel at 83 70 V line output TOA s P 9120DH Power Amplifier is also a 2 channel amplifier providing 120 W per channel at 41 70 V line output Both amplifiers can be used as power amplifiers for the M 9000 Matrix Mixer Pre Amplifier and the T 001T Audio Output Expansion and as expansion amplifiers for the A 9000 series Matrix Mixer Power Amplifiers Besides they can be used as power amplifiers for other line output devices thus covering wide range of applications 4 FEATURES Mountable in a standard 19 equipment rack 2 unit size using the supplied rack mounting bracket Input level selector switch 20 dB O dB An input signal to Channel 1 can be transmitted to both channels 1 and 2 and the output volume adjusted using the input volume control for each channel Electronically balanced inputs Input terminals employ removable terminal blocks to provide maximum connection ease Front mounted
5. terminal cover to the speaker output terminals Be sure to attach the supplied terminal cover after connection completion AN WARNING Because high voltage is applied to the speaker output terminals never touch these terminals to avoid electric shock 8 2 Input Terminal Connections Electronically balanced inputs of 3 pin removable terminal block type H C Input source E HOT COLD EARTH When connecting the units inputs in parallel connect each removable terminal plug using a daisy chain wiring Up to 10 units can be connected to the PRE AMP OUT terminal for each channel of the M 9000 A 9000 or T 001T M 9000 A 9000 or T 001T PRE AMP OUT 1 iem 27 2 5 5 P 9060DH 9120DH 2 CH 1 INPUT Note Twist the cable end then insert it until it locks into place 4 Pull on the cable to ensure it is 4 securely connected Removable terminal plug P 9060DH 9120DH accessory Up to 10 units P 9060DH 9120DH 8 3 Removable Terminal Plug Connection Be sure to use the supplied removable terminal plugs for connections to the removable terminal blocks Cautions Be sure to use shielded cables for audio signal lines Avoid soldering stranded or shielded cable as contact resistance may increase when the cable is tightened and the solder is crushed possibly
6. 2 TOA 9000 SERIES AMPLIFIERS OPERATING INSTRUCTIONS P 9060DH P 9120DH N M P TABLE OF CONTENTS 1 IMPORTANT SAFETY INSTRUCTIONS 2 9 RACK MOUNTING BRACKET 2 SAFETY PRECAUTIONS a 3 ATTACHMENT 11 3 GENERAL DESCRIPTION 5 10 OPERATION 12 4 FEATURES 1 mmm 5 11 VOLUME ADJUSTMENT 12 5 INSTALLATION PRECAUTIONS 12 VOLUME CONTROL COVER 5 1 When Installing the Unit on the Desk 5 ATTACHMENT 12 59 When SBHACHMENI on an Equipment Rack 5 13 PROTECTION OPERATION LIST 12 HANDLING PRECAUTIONS 5 a SAUTIONS 2 14 BLOCK DIAGRAM 13 7 NOMENCLATURE AND FUNCTIONS Front 6 15 DIMENSIONAL DIAGRAM 14 lacte e 7 16 SPECIFICATIONS 8 CONNECTIONS 16 1 P 9060DH 15 8 1 Speaker Output Terminal Connections 8 16 2 9120 16 8 2 Input Terminal Connections 8 3 Removable Terminal Plug Connection 10 Thank you for purchasing TOA s 9000 series Amplifier Please carefully follow the instructions in this manual to ensure long trouble free use of your equipment TOA Corporation 1 IMPORTANT SAF
7. ETY INSTRUCTIONS Read these instructions Keep these instructions Heed all warnings Follow all instructions Do not use this apparatus near water Clean only with dry cloth Do not block any ventilation openings Install in accordance with the manufacturer s instructions Do not install near any heat sources such as radiators heat registers stoves or other apparatus including amplifiers that produce heat Do not defeat the safety purpose of the polarized or grounding type plug A polarized plug has two blades with one wider than the other A grounding type plug has two blades and a third grounding prong The wide blade or the third prong are provided for your safety If the provided plug does not fit into your outlet consult an electrician for replacement of the obsolete outlet Protect the power cord from being walked on or pinched particularly at plugs convenience receptacles and the point where they exit from the apparatus Only use attachments accessories specified by the manufacturer Use only with the cart stand tripod bracket or table specified by the manufacturer or sold with the apparatus When a cart is used use caution when moving the cart apparatus combination to avoid injury from tip over Unplug this apparatus during lightning storms or when unused for long periods of time e Refer all servicing to qualified service personnel Servicing is required when the apparatus has been
8. LEDs to show status of protection peak and input signal level for each channel Built in protection circuitry disconnects the power amplifier s output from the load when unusual temperature rise occurs 5 INSTALLATION PRECAUTIONS Y 5 1 When Installing the Unit on the Desk Over 10 cm 3 947 Keep the amplifier over 10 cm 3 94 away from objects that may obstruct air flow to prevent the unit s internal temperature rise Over 10 cm 3 94 Over 10 cm 3 94 5 2 When Mounting the Unit on an Equipment Rack Use the supplied rack mounting bracket Perforated panel Refer to p 11 Rack Mounting Bracket Attachment P 9060DH 9120DH When mounting the unit in an equipment rack the inside of the rack Perforated panel must be sufficiently ventilated To achieve sufficient ventilation also P 9060DH 9120DH mount TOA s Perforated Panels 1U or 2U Perforated panel 1 at the top and the bottom of the rack and P 9060DH 9120DH 2 above and below the unit Perforated panel 1U size 44 5 mm or 1 75 reference size oo Perforated panel The supplied power supply cord is designed for exclusive use with this unit Never use it with other equipment Use the unit in locations where the temperature is between 10 C and 40 C 14 F and 104 F and the humidity is less than 80 RH no condensation should be formed The unit is a precision audio component To prevent failure avoid
9. Setting this switch to ON transmits the Channel 1 input signal to both channels 1 and 2 Note that output signal levels can be individually adjusted with each channel s Input volume control 6 Setting this switch to OFF transmits each channel s input signal to each corresponding channel The switch is factory preset to OFF Note Be sure to first turn off the Power switch 1 when changing this switch setting 8 CONNECTIONS 8 1 Speaker Output Terminal Connections The speaker output terminal is designed for 70 V line applications Both CH 1 and CH 2 outputs are provided on the 4 pin screw terminal Connect the speaker cables to each positive terminal and negative terminal individually Notes Impedances indicated in the figures represent the total speaker system load impedances Do not connect negative terminal together The outputs of CH 1 and CH 2 cannot be connected in parallel as this will cause the unit failure Do not connect the outputs of CH 1 and CH 2 in BTL configuration as this will cause the unit failure SPEAKER OUT CH2 CH 1 P 9060DH P 9120DH 830 419 830 419 Connection of speaker cable Step 1 Strip 10 mm 0 39 of insulative jacket from the end of the speaker cable 10 as shown in the figure at right L 10 mm Step 2 Connect speaker cables to the speaker output terminals 0 39 Step 3 Attach the supplied
10. iently ventilated To achieve sufficient ventilation also mount TOA s Perforated Panels 1U or 2U 1 at the top and the bottom of the rack and 2 above and below the unit Perforated panel P 9060DH 9120DH Perforated panel P 9060DH 9120DH Perforated panel P 9060DH 9120DH Perforated panel SSS 1U size 44 5 mm or 1 75 reference size Perforated panel 11 12 10 OPERATION After all connections are made turn power switch ON and the Power Indicator lights The amplifier comes into operation about 5 seconds after the power is turned on 11 VOLUME ADJUSTMENT Obtain desired output level by adjusting the individual input volume controls For normal music playing or announcement adjust volume using their controls until the signal indicator intermittently lights Sound quality is deteriorated when the peak indicator remains lit 12 VOLUME CONTROL COVER ATTACHMENT To protect the input volume control from accidental operation it is recommended to replace the control knob with the supplied volume control cover as illustrated Volume control cover S accessory Input volume control knob 13 PROTECTION OPERATION LIST Symptom Temperature rise at power amp heat sink over 105 C or 212 F Action Speaker loads cut by output relay Indicator Protection indicator lights Check ventilation and overload Automatically reset if temperature dr
11. locations where it may be exposed to strong shocks or vibrations To clean be sure to first disconnect the power supply plug from the AC outlet then wipe with a dry cloth When extremely dirty use a soft cloth dampened in neutral detergent Never use benzene thinner alcohol or chemically treated towels which may damage the unit s finish 6 HANDLING PRECAUTIONS 7 NOMENCLATURE AND FUNCTIONS Front Power switch ON OFF Power is switched on and off with each depression of this switch Power indicator POWER Lights blue when the Power switch 1 is turned on Protection indicators PROTECT Light red when the protection circuitry is activated Refer to p 12 Protection Operation List When the Power switch 1 is turned on both indicators light for about 5 seconds and then extinguish Peak indicators PEAK Light red if an output signal approaches clipping level If steady lit the Input volume controls 6 should be turned down until the indicators flash only intermittently Signal indicators SIGNAL Show the output signal levels of CH 1 and CH 2 Adjust the CH 1 or CH 2 Input volume control 6 so that the corresponding signal indicator lights green PROTECT PROTECT r3 O PEAK PEAK O SIGNAL SIGNAL jm O CH1 CH2 POWER Input volume controls CH 1 CH 2 Adjust the input volume of each channel Note An input volume can be fixed by removing the i
12. mid or dusty locations in locations exposed to the direct sunlight near the heaters 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 Be sure to follow the instructions below when rack mounting the unit Failure to do so may cause a fire or personal injury Install the equipment rack on a stable hard floor Fix it with anchor bolts or take other arrangements to prevent it from falling down When connecting the unit s power cord to an AC outlet use the AC outlet with current capacity allowable to the unit No rack mounting screws are supplied with the unit Separately prepare the appropriate screws for the rack Z Keep the amplifier over 10 cm 3 94 away from t 21 Over 10 objects that may obstruct air flow to prevent the unit s 3 94 internal temperature rise Over 10 cm 3 94 Over 10 cm 3 94 When the Unit is in Use Do not operate the unit for an extended period of time with the sound distorting This is an indication of a malfunction which in turn can cause heat to generate and result in a fire Switch off the power and unplug the power supply plug from the AC outlet for safety purposes when cleaning or leaving the unit unused for 10 days or more Doing otherwise may cause a fire or electric shock to the presence of uninsulated
13. nit only with the voltage specified on the unit Using a voltage higher than that which is specified may result in fire or electric shock Do not cut kink otherwise damage nor modify the power supply cord In addition avoid using the power cord in close proximity to heaters and never place heavy objects including the unit itself on the power cord as doing so may result in fire or electric shock Be sure to attach the supplied terminal cover after connection completion Because high voltage is applied to the speaker output terminals never touch these terminals to avoid electric shock Avoid installing or mounting the unit in unstable locations such as on a rickety table or a slanted surface Doing so may result in the unit falling down and causing personal injury and or property damage External wiring connected to the terminals marked with 1 requires installation by an instructed person The apparatus shall be connected to a mains socket outlet with a protective earthing connection The socket outlet shall be installed near the equipment and the plug shall be easily accessible Use the supplied rack mounting bracket when mounting the unit in an equipment rack Remove four M4 x 8 screws on both sides of the unit and mount the bracket there using the supplied M4 x 16 screws instead When the Unit is in Use Should the following irregularity be found during use immediately switch off the power disconnect the power
14. nput volume control knob from the front panel and attaching the supplied volume control cover instead Keep the removed input volume control knob aside for future use Refer to p 12 Volume Control Cover Attachment Rear 7 10 AC inlet Connect the supplied power cord to this inlet Functional earth terminal Hum noise may be generated when external equipment is connected to the unit Connecting this terminal to the functional earth terminal of the external equipment may reduce the hum noise Note This terminal is not for protective ground Speaker output terminals SPEAKER OUT Connect speaker cables to these terminals Input level selector switches INPUT LEVEL Select either 20 dB or dB for the Line input sensitivity level When using the unit in conjunction with the optional A 9000 series Amplifier select O dB for easier adjustment of the sound volume The switches are factory preset to 0 dB Note Be sure to first turn off the Power switch 1 when changing this switch setting INPUT LEVEL 20 dB 11 12 CH 2 INPUT 1 INPUT HOT COLD EARTH HOT COLD EARTH INPUT LEVEL ooo ooo Le ON OFF CH 1 TO U q D oan 20 dB T 0 dB Input terminals CH 1 INPUT CH 2 INPUT Electronically balanced inputs of 3 pin removable terminal block type CH 1 mode ON OFF switch CH 1 TO ALL
15. ns CH 1 mode ON OFF switch ON CH 1 to All ch OFF Each ch Output Speaker output CH 1 CH 2 60 W 83 O x 2 BTL output 70 V line M4 screw terminal distance between barriers 9 mm 0 35 Power Band Width 20 20 000 Hz 0 08 T H D Frequency Response 20 20 000 Hz 3 dB 1 dB S N Ratio At Input short 20 20 000 Hz Input level selector switch in O dB position Output volume min 105 dB Output volume max 97 dB Total Harmonic Distortion 0 008 22 kHz LPF 1 kHz rated output input level selector switch in 0 dB position Function Output disconnected for approx 5 s after switching power on LED Indicator Power blue x 1 Protect red x 2 Peak red x 2 Signal green x 2 Ventilation System Forced air cooling fan speed variable with temperature Operating Temperature 10 C to 40 C 14 F to 104 F Operating Humidity 35 to 80 RH no condensation Finish Panel Aluminum hair line black Case SECC black paint Dimensions 420 w x 107 6 h x 406 d mm 16 54 x 4 24 x 15 98 Weight 048 1 10 kg 22 05 Ib Note The design and specifications are subject to change without notice for improvement Accessories Power cord 2 m or 6 56 ft 1 Rack mounting bracket 2 Bracket mounting screw M4 x 16
16. ops Unusual DC voltage output Speaker loads cut by output relay Protection indicator lights Contact your TOA dealer Switch power off 14 BLOCK DIAGRAM gt gt 10 Aj ddns H3MOd dwy 240 j ddngs rmm v TC v 1 1 1 7 1 H 09 1 youms eens 1 NVA 14 99A WNOIS Vad PNO 1 10910 i 1 o sosues 9 9 1ndino 90 0 10 09 0q 195 IA 24 1 1 vi 118 oja lt olg 001 pun 4 Z HO AWNIOA pecu re ee peoue eq A eoiuo199 3 ous TIV OL HO e 033001 SIN 0 eu AOL ZHO TWNOIS 105095 9 Vad 1 11915 UOn9910J 4 e 4 einje1eduue o OO eu1A0L LHO 2 1 oe E HO 2222 1100 35 25 1 0 dS 5 gp o sosuag jene1 9 0 NIVO 1 semi wai 1 1 1 vog 119 o M
17. p 513 1 1 1 1 yun dwy HO 3INQT1OA SCC na te SEES peoue eq Aj e2iuo4199 3 13 15 DIMENSIONAL DIAGRAM Unit mm inches 375 14 76 406 15 98 i S 482 18 98 466 18 35 _ 420 16 54 4 7 10 5 4 0 28 0 41 14 16 SPECIFICATIONS 16 1 P 9060DH Power Source 120 V AC 60 Hz Power Consumption 225 W rated output 106 W UL60065 Input CH 1 2 input 20 dB or 0 dB switchable 10 electronically balanced removable terminal block 3 pins CH 1 mode ON OFF switch ON CH 1 to All ch OFF Each ch Output Speaker output CH 1 CH 2 60 W 83 x 2 BTL output 70 V line M4 screw terminal distance between barriers 9 mm 0 35 Power Band Width 20 20 000 Hz 0 08 T H D Frequency Response 20 20 000 Hz 3 dB 1 dB S N Ratio At Input short 20 20 000 Hz Input level selector switch in O dB position Output volume min 105 dB Output volume max 97 dB Total Harmonic Distortion 0 008 22 kHz LPF 1 kHz rated output in
18. put level selector switch in 0 dB position Function Output disconnected for approx 5 s after switching power on LED Indicator Power blue x 1 Protect red x 2 Peak red x 2 Signal green x 2 Ventilation System Forced air cooling fan speed variable with temperature Operating Temperature 10 C to 40 C 14 F to 104 F Operating Humidity 35 to 80 RH no condensation Finish Panel Aluminum hair line black Case SECC black paint Dimensions 420 w x 107 6 h x 406 d mm 16 54 x 4 24 x 15 98 Weight 048 1 8 2 18 08 15 Note The design and specifications are subject to change without notice for improvement Accessories Power cord 2 m or 6 56 ft 1 Rack mounting bracket 2 Bracket mounting screw M4 x 16 4 Removable terminal plug 3 pins 2 Termirial Cover nee e nent wedi 1 Terminal cover mounting screw M4 x 8 2 Volume control cover YA 920 2 16 2 P 9120DH Power Source 120 V AC 60 Hz Power Consumption 404 W rated output 208 W UL60065 Input CH 1 CH 2 input 20 dB 0 switchable 10 electronically balanced removable terminal block 3 pi
19. resulting in an excessive rise in joint temperatures Use cables of AWG 12 24 Cable end treatment Solid or stranded cable Shielded cable 7mm 7mm 85 0 28 0 28 20 mm 88 0 79 Connector connections Step 1 Loosen the terminal screw then insert the cable Step 2 Retighten the terminal screw Pull on the cable to ensure it is securely connected Slotted screwdriver 2 Tightens Loosens 1 Terminal screw R le termi Earth emovable terminal plug accessory Cold Shielded cable Tip Recommended slotted screwdriver type Screwdriver with 3 mm 0 12 blade width Y _ Bitshape 3 mm 0 12 1 10 9 RACK MOUNTING BRACKET ATTACHMENT Use the supplied rack mounting bracket when mounting the unit in a standard 19 equipment rack 2 unit size Step 1 Remove four M4 x 8 screws on the sides The removed screws are no longer used Step 2 Attach the rack mounting bracket to the unit using the supplied four M4 x 16 bracket mounting screws Bracket mounting screw M4 x 16 accessory Rack mounting bracket accessory Screws removed in Step 1 are no longer used Notes Remove 4 plastic feet on the bottom surface when mounting the unit in a rack Rack mounting screws are not supplied with the unit Use the screws that are appropriate for the rack When mounting the unit in an equipment rack the inside of the rack must be suffic
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