TP-Link DA-500F-HL CU User's Manual
Contents
1. Step 3 Replace the detached top cover CH 1 CH 2 CH 3 CH4 Front panel Viewed from top with the top cover detached 11 PROTECTION OPERATION LIST Failure Protection Operation Indicator Recovery Overcurrent due Current limiter activated Peak indicator lights Remove overload Connecting a correct load to overload when impedance drops automatically restores below the specified normal operation value Short circuit Current limiter activated Protection indicator Check speakers and Turn off the power switch Load is disconnected lights lines for short circuit Correct the load then switch on the power Temperature rise Load disconnected Protection indicator Check the unit for Operation automatically at power amp lights correct ventilation and returns to normal when heat sink overload the temperature decreases over 100 C Temperature rise Built in amplifier unit Four indicators of at power supply that caused the failure the corresponding heat sink halted channel extinguish over 80 Abnormal DC Load disconnected Protection indicator Contact the TOA dealer where the unit was voltage output lights purchased 13 14 12 TAMPER PROOF CAP ATTACHMENT To protect the input level control from accidental operation it is recommended to replace the control knob with the supplied tamper proof cap as illustrated Tamper proof cap acces2. OPERATING INSTRUCTIONS ULTICHANNEL POWER AMPLIFIERS DA 550F CU DA 500F HL CU INN wy TABLE OF CONTENTS 1 IMPORTANT SAFETY INSTRUCTIONS 2 13 CLEANING THE FILTER 14 2 SAFETY PRECAUTIONS 3 14 DIMENSIONAL DIAGRAM 14 3 GENERAL DESCRIPTION 4 15 BLOCK DIAGRAMS 4 FEATURES niae Gini 4 15 1 550 15 5 HANDLING PRECAUTIONS 5 15 2 DA 500F HL sse 15 6 INSTALLATION PRECAUTIONS 5 16 USE THE CONTROL MONITOR TERMINALS 16 1 Control Terminal Input 16 7 NOMENCLATURE AND FUNCTIONS 16 2 Monitor Terminal Output 16 mies TT 6 16 3 About Pin 7 of the Control Monitor Cim 7 Terminals ss 17 8 SETTINGS AND CONNECTIONS 9 16 4 Terminal Pin Arrangement 17 8 1 Switch Settings and Speaker Connections 10 16 5 Connection Cable and Maximum Cable Length 17 9 REMOVABLE TERMINAL PLUG 16 6 RJ45 Connector s Pin Arrangement CONNECTION 12 and Cable Color Codes 18 10 INPUT SENSITIVITY SETTING 13 17 SPECIFICATIONS 11 PROTECTION OPERATION LIST 13 17 1 DA 550F CU
3. Slotted screwdriver 2 Tightens sane 1 Terminal screw Earth Removable terminal plug Cold Shielded cable Tip Recommended slotted screwdriver type Screwdriver with blade that is 3 mm 0 12 in width Y Bitshape 3 0 12 12 10 INPUT SENSITIVITY SETTING The input sensitivity for each channel can be set to either 4 dB factory preset or 10 dB 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 Step 1 Unscrew 9 screws securing the top cover of the unit then detach it When set to 4 dB When set to 10 dB Step 2 Insert the jumper socket into either 4 dB or 10 dB position as shown at right e 0L 01 When a bridge connection is made Jumper Jumper socket socket Set the input sensitivity with the CH1 jumper socket when Channels 1 and 2 are bridge connected Similarly set the input J sensitivity with the CH3 jumper socket when Channels 3 and 4 are bridge connected Input sensitivity settings for the CH2 and CH4 are disabled Factory preset
4. While the unit s power switch is turned ON each individual channel s power can be turned ON and OFF from the distant location using this terminal The power indicator extinguishes only when the all channels powers are turned off but otherwise remains lit Using the power supply which you need to prepare separately perform the control by applying DC voltage to the control terminal This terminal is a photocoupler input and requires max 8 mA per control Note the power capacity of the power supply Control voltages are as follows Control voltage Vin Power ON OFF status on each channel 9 inal pin No 0 3VDC ON Pin 1or40o External DC power I Max 14 V DC 9 14 V DC OFF Pin70 When controlling the control terminal with a power supply of 14 V DC or more connect the specified resistance referring to the table below Note The use of the resistance other than those specified may cause unit failure Control voltage Vin R1 resistance value rated power Terminal pin No 14 V to under 20 V DC 1 0 1 W or more Pin 1or4 power 20 V to under 30 V DC 3 3 kO 0 25 W or more Vin 50 V DC 30 V to under 50 V DC 5 6 kQ 0 5 W or more Pin 7 o 3J 16 2 Monitor Terminal Output Indicators on the externally connected device status monitor display panel or relays can be turned on and off in response to the power ON OFF status protect
5. Power amplifiers DA 550F 500F HL Perforated panel Power amplifiers DA 550F 500F HL 1U size 44 5 mm or 1 75 reference size 7 NOMENCLATURE AND FUNCTIONS Front DA 550F uw DA 500F HL CH 1 BRIDGE 1 3 BRIDGE 2 1 Power switch ON OFF Power is switched on and off with each depression of this switch 2 Power indicator POWER Lights blue when the power is switched on 3 Input level controls CH 1 BRIDGE 1 CH 2 CH 3 BRIDGE 2 CH 4 Adjust the input level of each channel When a bridge connection is made When Channels 1 and 2 are bridge connected BRIDGE 1 ON OFF switch 10 is set to ON the CH 1 BRIDGE 1 level control adjusts the input levels of Channels 1 and 2 In this event the CH 2 level control cannot be used When Channels 3 and 4 are bridge connected BRIDGE 2 ON OFF switch 10 is set to ON the C
6. 19 12 TAMPER PROOF CAP ATTACHMENT 14 17 2 DA 500F HL CU 20 Thank you for purchasing TOA s Multichannel Power Amplifier Please carefully follow the instructions in this manual to ensure long trouble free use of your equipment TOA Corporation 1 IMPORTANT SAFETY 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 appara
7. Category 5 twisted pair cable for LAN CAT5 UTP Maximum cable distance 600 m 656 17 yd Monitor output LED Indicator Power blue x 1 Input green x 4 Output yellow x 4 Peak red x 4 Protect red x 4 Cooling Forced air cooling Operating Temperature 10 C to 40 14 F to 104 F Operating Humidity Under 9096 RH no condensation Finish Panel Aluminum black alumite Case Plated steel sheet Dimensions 482 w x 88 4 h x 404 2 d mm 18 98 x 3 48 x 15 91 Weight 0 dB 0 775 V 8 8 kg 19 4 Ib Note The design and specifications are subject to change without notice for improvement e Accessories Removable terminal plug 3 pins 4 Tamper proof cap URL http www toa jp 133 22 102 60 Z Corporation
8. remove the unit case as there are high voltage components inside the unit Refer all servicing such as modification inside the unit to qualified service personnel 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 Do not insert nor drop metallic objects or flammable materials in the ventilation slots of the unit s cover as this may result in fire or electric shock Do not touch a plug during thunder and lightning as this may result in electric shock A CAUTION 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 When moving the unit be sure to remove its power supply cord from the wall outlet Moving the unit with the power cord connected to the outlet may cause damage to the power cord resulting in fire or electric shock When removing the power cord be sure to hold its plug to pull Avoid installing the unit in humid 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 sh
9. 5 Connection Cable and Maximum Cable Length For the connection cable use a Category 5 twisted pair cable for LAN CAT5 UTP The maximum cable length is 600 m 656 17 ya 18 16 6 RJ45 Connector s Pin Arrangement and Cable Color Codes To Control Monitor terminal UC NE D RJ45 pin No Orange white Green white D Orange Green Green white Orange white 4 Blue Blue Blue white Blue white e Green Orange 8 Brown white Brown white Brown Category 5 twisted pair cable for LAN CAT5 UTP Brown 17 SPECIFICATIONS 17 1 DA 550F CU Power Source 120 V AC 50 60 Hz Amplification system Digital class D Power Consumption 480 W based on UL CSA standards 2800 W rated output 4 1650 W rated output 8 Input 4 circuits 4 dB 1 23 V input level control in maximum position 10 kO electronically balanced removable terminal block 3 pins XLR 3 31 type connector CH 1 mode ON OFF switch ON CH 1 to All ch OFF Each ch Rated Output 4 channels 550 W x 4 4 350 Wx 4 8 2 channels BRIDGE 1 100 W x 2 8 Q 4 screw terminal distance between barriers 8 8 mm 0 35 Frequency Response 20 20 000 Hz 2 1 dB Total Harmonic Distortion 0 196 1 kHz 0 1596 20 20 000 Hz Protection circuit Protection against excessive current flow due to overload short circuit unusual DC voltage output and
10. dB CH4 input level control 15 2 DA 500F HL H C E H C E Yoo T toi 4 sensitivity selection jumper 4 dB 10 dB CH 1 INPUT op 773 HPF 1 T CH1 4 HPF ON OFF switch CH1 input level control CH 2 INPUT i CH 3 INPUT CH 4 INPUT s F gt CH 1 TO ALL switch 4 dB 10 dB BRIDGE 2 ON OFF switch 1 ei 4 dB 10 dB CH 1 sensitivity selection jumper 4 dB 10 dB HPF ON OFF Switch CH2 input level control selection jumper 4 dB 10 dB HPF ON OFF Switch CH3 input level control 4 dB 10 dB CH 3 sensitivity selection jumper 4 dB 10 dB HPF ON OFF Switch CH4 input level control CH 4 sensitivity selection jumper 4 dB 10 dB CH 1 OUTPUT OUTPUT 1 relay gt po Je ies pom Current Limiter 7 Short Detector Protection Circuit BRIDGE 1 E OUTPUT OUTPUT2 relay 1 7 tO J vi P Current Limiter T t CH2 Shor
11. me O KO FO Speaker output terminals Input terminals Note The figure shows the DA 500F HL with a terminal cover Step 1 Switch off the unit s power Step 2 Set the BRIDGE ON OFF switches and CH 1 mode ON OFF switch Step 3 Set the HPF ON OFF switch DA 500F HL only HPF 50Hz HI PASS 6 dB oct cut off frequency 50 Hz FLAT OFF on E EH B E 1234 A CAUTION With the HPF ON OFF switch kept to the OFF position factory preset operating the unit for long periods of time while the Peak indicator is illuminated due to excessive input signal may damage the connected speakers possibly resulting in fire Operating the unit with the HPF ON OFF switch set to the ON position may decrease the possibility of speaker damage or fire due to excessive input signal Step 4 Connect the sound source equipment to the Input terminals Note Refer to p 12 for the removable terminal plug connection _ 10 Step 5 Connect speakers to the Speaker output terminals 0 39 5 1 Unscrew the output terminal cover 5 2 Strip 10 mm 0 39 of insulative jacket from the end of the speaker cable as shown in the figure at right 5 3 Connect speaker cables to the output terminals 5 4 Replace the output terminal cover in place Be sure to replace the unit s terminal cover after connection completion WARNING Because high voltage is generated at the speaker output terminals never touch these
12. 80 mm BRIDGE 2 BRIDGE 1 z z Sc Wem 63 e gt Z cH3 c 5 BRIDGE BRIDGE 1 Ear 2 D DA 500F HL 0D CONTROL MONITOR H34 cH E CH3 CH2 HEP ES A o er Of Of 0 0 E ale on E O Z X 11 3 cH4 m cH2 mn BE 1 y m move BRIDGE 2 BRIDGE 1 I 2 E 2 Q CH2 c H ex CH1 eRDGE 1 6 AC power cord 2 m or 6 56 ft The socket outlet shall be installed near the equipment and the plug disconnecting device shall be easily accessible 7 Control Monitor terminals CONTROL MONITOR Connecting external equipment to these terminals makes the control and monitor functions available for channels 1 4 individually See p 16 How to Use the Control Monitor Terminals 8 Speaker output terminals OUTPUTS with a terminal cover Connect speaker cables to these terminals 9 Input terminals INPUTS Electronically balanced input terminals Each removable terminal block 3 pins is internally connected in parallel to the corresponding XLR type connector Removable terminal block 3 pins H Hot C Cold E Ear
13. F to be used as a 1 100 W 8 X 2 channels amplifier or the DA 500F HL as 1 000 W 140 V line x 2 channels 19 6 amplifier or 1 100 W x 2 channels 16 Q amplifier When a bridge connection is made each model can be used as a 2 channel stereo amplifier or as a 3 channel amplifier Their wide range of applications include stores and permanent sound systems 4 FEATURES 2U rack mounting size Low power consumption and light weight An input signal to Channel 1 can be routed to all channels and the output level adjusted using the input level control for each channel Electronically balanced inputs Input terminals employ removable terminal blocks and XLR type connectors to provide maximum connection ease Input output status LED indicators for each channel Built in protection circuitry disconnects the output when a short circuit overload or unusual temperature rise occurs Equipped with the terminals used for internal information monitoring power supply protection status and fan operation and power ON OFF control from external equipment 1U size 44 5 mm or 1 75 reference size 5 HANDLING PRECAUTIONS Keep the input cable away from the output cable If installed close to each other oscillation could occur To avoid unit failures never connect outputs of 2 or more units in parallel Only connect speakers with an impedance equal to or greater than those specified Connecting speakers wi
14. H S BRIDGE 2 level control adjusts the input levels of Channels 3 and 4 In this event the CH 4 level control cannot be used 4 Ventilation panel Air Vent A filter is located inside the ventilation panel To clean the filter remove the ventilation panel See p 14 Cleaning the Filter 5 Indicators INPUT OUTPUT PEAK PROTECT The indicators are as follows from left to right Input indicator INPUT Lights green regardless of the input level control setting when an input signal level exceeds about 20 dB Output indicator OUTPUT Lights yellow when an output level exceeds about 1 W at an 8 O load DA 550F or 9 8 O load DA 500F HL Peak indicator PEAK Lights red when an output signal clips distortion occurs e Protection indicator PROTECT Lights red when the protection circuitry is activated See p 13 Protection Operation List When the power is switched on this indicator lights for about 2 seconds and then extinguishes D DA 550F qb d CONTROL MONITOR cH34 cH OUTPUTS CLASS 2 WIRING CH CH1 SOW 1 HCE H CE TE m m 3 Z X o o 59 TR i 255 1 Loo gw DEEP 6 1008
15. H4 CH1 o Speaker output terminals CH2 CH1 6090 BRIDGE 1 DA 550F DA 500F HL etting OFF BRIDGE 2 ON CH 1 mode OFF BRIDGE 2 80 16 19 60 Speaker output terminals CH4 CH3 Oo 6 O06 BRIDGE 1 BRIDGE 2 DA 550F DA 500F HL CH 1 mode 80 16 19 6 0 T 4 80 4 980 it 4 80 4 980 Speaker output terminals CH2 CH1 Seti DA 550F DA 500F HL BRIDGE 1 BRIDGE 2 O BRIDGE 2 4 9 8 Q CH 1 mode 5 4 9 8 16 19 6 0 Speaker output terminals CH4 CH3 6 BRIDGE 1 BADOR DA 550F DA 500F HL CH 1 mode 16 19 60 4 80 4 9 8 0 4 80 4 9 8 0 11 9 REMOVABLE TERMINAL PLUG CONNECTION Cautions Be sure to use shielded cables for audio signal lines Avoid soldering cable conductor as contact resistance may increase when the cable is tightened and the solder is crushed possibly resulting in an excessive rise in joint temperatures Use cables of AWG 12 24 Cable end treatment Shielded cable 7mm 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
16. OFF control input 2 power OFF 2 power ON CH2 protection status output CH2 normal CH2 protection activated irregular CH2 power ON OFF status output 2 power OFF CH2 power ON GND input output Fan operation status output CH3 power ON OFF control input Fan stop irregular CH3 power OFF Normal CH3 power ON CH3 protection status output normal CHG protection activated irregular CH3 power ON OFF status output CH3 power OFF CH3 power ON CH4 power ON OFF control input CH4 power OFF CH4 power ON CH4 protection status output CH4 normal CH4 protection activated irregular CH4 power ON OFF status output CH4 power OFF CH4 power GND input output Fan operation status output About operation and terminal status Control terminal input HI LEVEL 9 14 V DC Fan stop irregular LO LEVEL 0 3VDC Monitor terminal output OFF ON Normal The same information is output from both Pins 8 fan status output of the CH1 and CH2 terminal and the CH3 and CH4 terminal Lighting status of the protection indicator on the front panel matches operation of protection status provided at the monitor terminal Protection indicator front panel Light off Light on Protection status output OFF ON 16
17. e external equipment may reduce the hum noise Note This terminal is not for protective ground 13 HPF ON OFF switch DA 500F HL only Input signals to CH1 4 can be filtered through the High pass filters having 6 dB attenuation at a cut off frequency of 50 Hz Set the DIP switch to the ON position to switch on the filter and set it to the OFF position to off the filter Note The DIP switch is factory preset to the OFF position When a bridge connection is made Perform high pass filter setting with the CH1 DIP switch when Channels 1 and 2 are bridge connected Set the Bridge 1 ON OFF switch 10 to ON Filter setting for the 2 is disabled Similarly perform the filter setting with the DIP switch when Channels 3 and 4 are bridge connected Set the Bridge 2 ON OFF switch 10 ON Filter setting for the CH4 is disabled 8 SETTINGS AND CONNECTIONS CH 1 mode ON OFF switch BRIDGE 2 ON OFF switch BRIDGE 1 ON OFF switch Rear panel ELE Peg omore egit DA 500F HL only OUTPUTS i U Goal 699 Tag y EHE WIRING e 7 67 ef 97 Il amp X 7 o slstefelslstefelo umm
18. ealer or an experienced radio TV technician for help This Class A digital apparatus complies with Canadian ICES 003 Cet appareil num rique de la classe A est conforme la norme NMB 003 du Canada 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 WARNING CAUTION Indicates a potentially hazardous situation which if mishandled could result in death or serious personal injury Indicates a potentially hazardous situation which if mishandled could result in moderate or minor personal injury and or property damage A WARNING 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 unit only with the voltage specified on the un
19. heat sink temperature rise over 100 C S N Ratio 100 dB A weighted Crosstalk 70 dB A weighted Control Monitor Control input Power ON OFF status of the individual channels Photocoupler input drive voltage 9 V DC Min 14 V Max 12 V Typ Power ON OFF status of the individual channels Protection status of the individual channels Fan operation status Photocoupler open collector output withstand voltage 30 V DC control current under 12 mA Connector RJ45 connector x 2 Connection cable Category 5 twisted pair cable for LAN CAT5 UTP Maximum cable distance 600 m 656 17 yd Monitor output LED Indicator Power blue x 1 Input green x 4 Output yellow x 4 Peak red x 4 Protect red x 4 Cooling Forced air cooling Operating Temperature 10 C to 40 14 F to 104 F Operating Humidity Under 9096 RH no condensation Finish Panel Aluminum black alumite Case Plated steel sheet Dimensions 482 w x 88 4 h x 404 2 d mm 18 98 x 3 48 x 15 91 Weight 0 dB 0 775 V 8 8 kg 19 4 Ib Note The design and specifications are subject to change without notice for improvement Accessories Removable terminal plug 3 pins 4 Tamper proof cap 19 17 2 DA 500F HL CU Power Source 120 V AC 50 60 Hz Amplification system Digital class D Power Consum
20. ion status and fan operation status from the distant location using this terminal This monitor terminal is a photocoupler open collector output terminal Note that it is rated at withstand voltages of 30 V DC and control current of 12 mA or less when ON At the time of circuit design consider the control current assuming that 1 V appears at the monitor terminal when ON Example of a circuit When an LED is used When a relay is used Control current External DC power Control current External DC power 12 mA or less Max 30 V DC 12 mA or less Max 30 V DC Terminal pin No Terminal pin No Pin 2 3 5 6 or 8 Pin 2 3 5 6 or 8 Pin7 Pin 7 Note Be sure to connect a diode across the relay in the direction as shown above when connecting to the external relay 16 3 About Pin 7 of the Control Monitor Terminals A ground common to all the control and monitor terminals is assigned to Pin 7 Both Pins 7 of the Control Monitor terminal for CH1 and CH2 and that for CH 3 and CH4 are internally connected to each other Pins 7 are isolated from the unit body 16 4 Terminal Pin Arrangement Terminal CH1 2 Pin No Pin name CH1 power ON OFF control input Unit operation status HI LEVEL CH1 power OFF LO LEVEL CH1 power ON 1 protection status output CH1 normal 1 protection activated irregular CH1 power ON OFF status output CH1 power OFF CH1 power ON CH2 power ON
21. it 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 replace the unit s terminal cover after connection completion Because the voltage of up to 140 V is applied to the high impedance speaker terminals never touch these terminals to avoid electric shock DA 500F HL only External wiring connected to the terminals marked with requires installation by an instructed person The apparatus shall be connected to a mains Socket outlet with a protective earthing connection When the Unit is in Use Should the following irregularity be found during use immediately switch off the power disconnect the power 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
22. ocks be sure to switch off the unit s power when connecting speakers The unit is designed exclusively to be mounted in an equipment rack 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 Be sure to use the screws with a diameter of over 5 mm 0 2 and length of over 12 mm 0 47 to mount the unit When connecting the unit s power cord to an AC outlet use the AC outlet with current capacity allowable to the unit When the Unit is in Use e With the HPF ON OFF switch kept to the OFF position factory preset operating the unit for long periods of time while the Peak indicator is illuminated due to excessive input signal may damage the connected speakers possibly resulting in fire Operating the unit with the HPF ON OFF switch set to the ON position may decrease the possibility of speaker damage or fire due to excessive input signal e Make sure that all volume controls are set to minimum position before power is switched on Loud noise produced at high volume when power is switched on can impair hearing 3 GENERAL DESCRIPTION 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 fi
23. ption 480 W based on UL CSA standards 2600 W rated output 8 O x 4 Input 4 circuits 4 dB 1 23 V input level control in maximum position 10 electronically balanced Removable terminal block 3 pins XLR 3 31 type connector CH 1 mode ON OFF switch ON CH 1 to All ch OFF Each ch HPF ON OFF switch 6 dB oct cut off frequency 50 Hz Rated Output 4 channels 500 W x 4 9 8 O 70 V line 550 Wx 4 8 O 100 W x 4 4 O 2 channels BRIDGE 1 000 W x 2 19 6 1 100 W 2 16 4 screw terminal distance between barriers 8 8 mm 0 35 Frequency Response 20 20 000 Hz 2 dB 1 dB HPF OFF 50 20 000 Hz 3 dB 1 dB HPF ON Total Harmonic Distortion 0 196 1 kHz 0 396 20 20 000 Hz HPF OFF 0 396 100 20 000 Hz HPF ON Protection circuit Protection against excessive current flow due to overload short circuit unusual DC voltage output and heat sink temperature rise over 100 C S N Ratio 100 dB A weighted Crosstalk 70 dB A weighted Control Monitor Control input Power ON OFF status of the individual channels Photocoupler input drive voltage 9 V DC Min 14 V Max 12 V Typ Power ON OFF status of the individual channels Protection status of the individual channels Fan operation status Photocoupler open collector output withstand voltage 30 V DC control current under 12 mA Connector RJ45 connector x 2 Connection cable
24. re Contact your TOA dealer as to the cleaning If dust is allowed to accumulate in the unit over a long period of time a fire or damage to the unit may result If dust accumulates on the power supply plug or in the wall AC outlet a fire may result Clean it periodically In addition insert the plug in the wall outlet securely 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 An all pole mains switch with a contact separation of at least 3 mm 0 12 in each pole shall be incorporated in the electrical installation of the building A The lighting flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated dangerous voltage within the product s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons TOA s DA 550F Multichannel Power Amplifier features high power handling of 550 W x 4 channels 4 Q output or 350 W x 4 channels 8 output and durability TOA s DA 500F HL Multichannel Power Amplifier features high power handling of 500 W 70 V line x 4 channels 9 8 Q output or 550 W x 4 channels 8 Q output or 100 W x 4 channels 4 Q output and durability Channels 1 and 2 and 3 and 4 are made available for bridge connection individually allowing the DA 550
25. sory 13 CLEANING THE FILTER Step 1 Switch off the unit s power Step 2 Remove the ventilation panel as shown in the figure Step 3 Detach the filter inside the ventilation panel Step 4 Clear the filter of dust Step 5 Replace the filter and ventilation panel Detach the panel by pressing L Filter on the right side 14 DIMENSIONAL DIAGRAM _ 442 17 4 IE 1 371 14 61 404 2 15 91 F f Y S al ds 1 465 18 31 Unit mm inches 482 18 98 A 15 BLOCK DIAGRAMS 15 1 DA 550F CH 1 INPUT CH 2 INPUT mort CH 3 INPUT 4 INPUT CH 1 TOALL switch CH 1 input level control 1 CH 1 sensitivity selection jumper 4 dB 10 dB 4 dB 10 dB CH2 input level control CH3 input level control CH 2 sensitivity selection jumper 4 dB 10 dB 101 CH 3 sensitivity selection jumper 4 dB 10 dB 4 dB 10
26. t Detector OUTPUT Protection Circuit CH3 1 OUTPUT OUTPUTS relay gt H Oi Current Limiter 7T Short Detector Protection Circuit bod BRIDGE 2 bod OUTPUT OUTPUT4 relay 9 l a Current Limiter UH 1 CH4 Short Detector OUTPUT Protection Circuit CH1 OUTPUT OUTPUT 1 relay 1 Di oH Current Limiter UIT Short Detector Protection Circuit BRIDGE 1 bod OUTPUT OUTPUT2 relay 1 7 to es Current Limiter pom CH2 BRIDGE 1 Short Detector OUTPUT ON OFF switch Protection Circuit cd CH3 i OUTPUT OUTPUTS relay rO t OO Current Limiter VT Short Detector Protection Circuit td BRIDGE 2 bod OUTPUT OUTPUT4 ON ____ relay 1 i to O v d ed 10607 gt Aca ans OFF Current Limiter i Cn BRIDGE 2 Short Detector OUTPUT ON OFF switch Protection Circuit 15 16 16 HOW TO USE THE CONTROL MONITOR TERMINALS The Control Monitor terminals on the rear panel permit power ON OFF control of the individual channels and monitoring for the power ON OFF status and protection status on each channel and fan operation status Prepare the control panel and status monitor display panel separately referring to the descriptions below Note All terminals are electrically isolated from the unit body with the photocouplers 16 1 Control Terminal Input
27. terminals to avoid electric shock DA 500F HL only 8 1 Switch Settings and Speaker Connections Speaker output terminals CH4 CH3 CH2 CH1 4 inputs 4 outputs factory preset id DA 550F DA 500F HL CH2 BRIDGE 2 4 80 4 989 uci e T CH 1 mode CH3 4 9 80 CH3 1 07 d CH4 4 9 80 A D cc 4 98 0 Speaker output terminals 1 input 4 outputs CH4 CH3 CH2 CH1 6 6 6 6 6 66 CH1 4 4 2m q DA 550F DA 500F HL BRIDGE 1 4 2 BRIDGE 2 4 80 4 9 8Q re id CH 1 mode CH3 4 80 4 989 1 oF iq CH4 4 80 4 980 58 6 aaa T 4 80 4 9 80 Speaker output terminals CH1 o H BRIDGE 1 CH2 BRIDGE 2 DA 550F DA 500F HL CH 1 mode CH3 80 16 1960 CH3 o Y iq 8Q 16 19 69 Speaker output terminals CH1 Fs BRIDGE 1 Y cu2 iq BRIDGE 2 CH 1 mode BRIDGE 2 80 16 19 60 80 16 19 60 10 3 inputs 3 outputs 1 CH1 CH1 27 d CH2 CH2 o 27 d CH3 CH3 ol f 1 1 e CG CH1 CH1 OF d CH2 e ig CH3 C
28. th XLR type male connector XLR 3 31 equivalent Pin 1 Earth Pin 2 Hot Pin 3 Cold B Caution when using an XLR type plug If a straight plug hits the rack s rear cover or wall behind the rack when it is used for connection use the L shaped plug instead 10 BRIDGE ON OFF switches BRIDGE 1 BRIDGE 2 ON BL OFF Used when bridge connecting the unit s Channels 1 and 2 and Channels 3 and 4 See p 9 Settings and Connections 4 channel input mode Set both BRIDGE 1 and 2 switches to OFF factory preset 3 channel input mode Set either BRIDGE 1 or 2 switches to ON When bridge connecting Channels 1 and 2 set BRIDGE 1 switches to ON and BRIDGE 2 switches to ON when bridge connecting Channels 3 and 4 2 channel input mode Set both BRIDGE 1 and 2 switches to ON Note Be sure to first turn off the power switch when changing the BRIDGE switch settings 11 12 CH 1 mode ON OFF switch CH 1 TO ALL ON OFF Setting this switch to ON pressed in transmits the Channel 1 input signal to all channels Output signal levels can be individually adjusted with each channel s input level control 3 Note Be sure to first turn off the power switch when changing the CH 1 mode switch settings Functional ground terminal SIGNAL GND Hum noise may be generated when external equipment is connected to the unit Connecting this terminal to the functional ground terminal of th
29. th a smaller than specified impedance could cause damage to the unit Periodically clean the filter located inside the ventilation panel on the unit s front panel If the filter becomes clogged heat will become trapped inside the enclosure Install the unit in locations where the temperature is between 10 C and 40 C 14 F and 104 F and the moisture is less than 9096RH no dew condensation must be formed To clean be sure to first switch off the unit s power then wipe with a dry cloth When the unit gets very dirty use a cloth damped in a neutral cleanser Never use benzene thinner alcohol or chemically treated cleaning cloth because such volatile liquids could deform or discolor the unit 6 INSTALLATION PRECAUTIONS Rack mounting screws are not supplied with the unit A CAUTION Be sure to use the screws with a diameter of over 5 mm 0 2 and length of over 12 mm 0 47 to mount the unit Failure to do so may cause personal injury When mounting the unit in an equipment rack the inside of the rack must be sufficiently ventilated To achieve sufficient ventilation remove all panels on the rear of the rack When mounting the unit in the rack also mount a Perforated Panel larger than 1U in size 1 at the top and the bottom of the rack and 2 above and below every 5 units
30. tus 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 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 d FCC REQUIREMENTS Note This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the d
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