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TP-Link P912A User's Manual

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1. i a S 1 a 3 XLR 3 13 F XLR 3 14 M Phone Jack RCA Phono 3P Screw 5P Screw E la E Ea ae E SS A 2o 5 ce a eee Type Type P Jack R Terminal S Terminal S LowZ MIC gt r with Low amp High filters 01 series pose H O1F H 01M HOP H 01S Low Z MIC with Low amp High filters 1 Low cut and remote volume H 21 0 60 dB 1 High cut 100 gr 3 53 oz H 218 control facilities 1 Gain Low Z MIC a e with Low 8 High filters H 31 60 dB 105 gr 3 70 oz gt H 31S k pee MUTE Balanced nominal 1 0 mV nominal 40 dB 6 3 V 16 dBv 25 20 000 Hz SEH JE Microphone Low Z MIC 200 ohms adjustable 0 25 25 mV adjustable 52 32 dB ips Preamplitier with Low cut filter H 02 series terminated N 100 gr 3 53 oz H 02F H 02M ji H 02P H 025 Low Z MIC Kg i i dE with Low cut filter A and remote volume H 22 O 60 dB ECH cut 95 gr 3 35 0z Kee H 22S control facilities Gain E Low Z MIC T with Low cut filter H 32 60 dB Kees 105 gr 3 70 oz H 32S gt and MUTE High Z MIC E Unbalanced nominal 3 2 mV nominal 30 dB d 1 Low cut T F with Low cut filter H 03 series 50k ohms adjustable 0 8 8 0 mV adjust
2. Other Features Silver Output disconnected for approx 5 sec after switching power on Specifications are subject to change without notice JP JUL Plug in Modules and Accessories OPTION The TOA PLUG IN MODULES are suitable for TOA 900 SERIES MIXER POWER AMPLIFIERS A 901A A 903A A 906A and A 912A MIXER PREAMPLIFIER M 900A and POWER AMPLI FIERS P 906A P 912A and P 924 Owing to wide selection of MODULES the desired applications will be obtained The various types of connectors can also meet the needs of equipment to be connected MICROPHONE PREAMPLIFIER H 01 series H 21 and H 31 incorporates controls for high cut low cut and gain H 02 series H 22 H 32 and H 03 series controls for low cut and gain A gain control is built in MAG PHONO PREAMPLIFIERS E 01 and E 11 series AUXILIARY PREAMPLIFIERS X 01 and X 11 series and X 21 PAGING INPUT I 01 and LINE OUTPUT T 01 series T 01 series is an output module with transformer serving as a line output for recording etc PAGING INPUT l 01 is specially designed to associate with TOA INTERCOM SYSTEMS It accepts paging signals from the intercom station A group of special signal generating modules is also available for catching attention before announcement and testing within the total system ALL PLUG IN MODULES have handles on their front for easy insertion and removal Features 1 Wide dynamic range 2 Low noise and distorition 3 Wide frequency re
3. 01 O OD Balanced paging input module 1 01 Se with presettable gain control Signal tone generator module with presettable output level control 1 kHz sine wave S 01 O Yelp and buzzer S 02 One tone chime and continuous one tone chime See PLUG IN MODULES for details Output Connections P 906A P 912A The speaker outputs of the amplifier are 49 89 25V and 70V Connect speakers to one of these outputs Class 2 wiring may be used Since these outputs consist of 89 25V and 70V via the output transformer matching transformer and direct output of 42 the connecting method differs in each case See the following diagrams Note Impedances indicated below imply total speaker system load impedance When connecting speakers to any one of the outputs of 8 O 25V or 70V BALANCED TRANSFORMER OUTPUT lt P 906A 10 4 ohm 25V line 83 ohm 70V line OM OT IN ay Insert shorting bar 40 between AC wg and OT IN P 912A 41 ohm 70V line 5 2 ohm 25V line II 8 ohm oe Insert shorting b nsert shortin ar a ana between AC and OT IN Note In this case the LOW CUT SWITCH should be in CUT posi tion This amplifier is characteristically flat even in the low fre quency range Therefore in TRANS OUTPUT the acoustic effect and frequency response characteristics may be altered In TRANS OUTPUT cut off unnecessary low frequency to ob tain
4. 40 dB Low cut 250 Hz SE 1 Gain 100gr 8 53 02 A e Output nominal AON output 83V 16 dBv Line Output T 01 series Balanced adjustable 20 4 dB 4 7 V 13 4 dBv 30 20 000Hz S N 80dB ers 1 Gain 100 gr 3 53 oz T 01M T 01P E T 01S 600 ohms into 600 ohm load 1 0 V 158 mV 1kHz Sine Wave S 01 0 5 V 6dBv 0 5 THD S N 80 dB 1 Output 55 gr 1 94 oz Sms Tone Signal Buzzer Yelp 02 R 1V peak to peak a S N 80 dB Gemeen 1 Output 60 gr 2 12 oz S 018 M Generator One Tone cea Chime Chime S 03 gt eg 1V peak to peak Kg S N 80dB 1 Output 70 gr 2 47 oz lt Sa ZA S 035 See 0 dBv 1 volts 2 dBm Specifications are subject to change without notice FORNT PANEL CONTROLS AND FEATURES Modules with built in controls are provided in the following five types SPECIFICATIONS IN COMMON GAIN CONTROL LOW CUT FILTER CONTROL 330Hz 6dB oct This adjusts gain Turn clockwise CW to increase and counterclockwise CCW to reduce gain This provides flat characteristics at full CW position and attenuation in low frequency by turning CCW Adjust it to Load impedance Mounting 10k ohms Card edge connector SENSITIVITY CONTROL L 41S NOMINAL POSITION MARK Set the gain as low as possible thereby noise can be reduced and the maximum permissible input level is raised This adjusts sensi
5. CNE 906 7901 E GBOEd EJ Ef ef CN EH e eg wuy PT 280 e 19293 CIA EA el De os a CNOI d eu ar La 1 cx Aar l 50V t F 33007 fac wer i ACI20V i La Zum U 60Hz CNG01 2 90 f 250V 1A sov MPS 900A AC H 33007 o d l KA i y AC R DI01 102 111 412 1335 2008 Fa reor FE oe eu HI BLK D103 1SI88BFM 2 2 HA 178248 C606 20v CPCB 906A 20 i i AW ai 0 047 RO e 1 9293 Pal craps GRY TEMP FUSE 104 105 HEH Mi I 202 a METER B s acfact 1390 D106 107 109 110 15 can _ Hl ceo d LANP a a acjaci 10510203 is 25v Ge y EN H 12V 40mA 1T bods aen Q101 102 2 2SCIT75AE ch 100 0 nuk DS ame DEO or cn603 Des 103 104 107 112 25C22406R SIWB20 y CN602 ni i 10701 Q105 106 25B647AC qe Stage Q108 109 2SDB67AC 1 RESISTANCE VALUES IN OHMS ano 1 25C23ME 2 ALL RESISTORS 1 4W UNLESS OTHERWISE DESIGNATED am 2SA1011E 3 CAPACITANCE VALUES IN FARADS UNLESS OTHERWISE DESIGNATED oz 2SA9T0GR 4 VOLTAGES ARE MEASURED TO CHASSIS GROUND WITH NO SIGNAL oan 2503281 5 ALL CAPACITORS 50V UNLESS OTHERWISE DESIGNATED oam 2SA1302 6 ld NONFLAMMABLE RESISTOR mun O gt co G rr mi G i Schematic P 912A D inpuTsi2a INPUT 00m 1v tok e eo T io INPUT HOT 100mv 1v II WS em D101 102 111 412 15R35 200A D103 15188FM 5104 105 HZ 6C1 0108 107 109 110 182473 om ug 2SC1775AE Q103 104 407 112 25C
6. 03A A 906A A 912A and M 900A Use it only in Input Port 5 or 6 of the above models It will not operate when connected into other PORTS Approx 5 seconds after power has been supplied to these modules the output signal is transmitted S 01 1 000Hz SINE WAVE Connections 00 3 Remote switch It is operated by closing the remote switch S 02 YELP AND BUZZER Connections Yelp signal Remote switch Each signal is generated by closing cor Buzzer signal responding remote switch Remote switch is e S 03 ONE TONE CHIME AND CONTINUOUS ONE TONE CHIME CONNECTIONS One tone chime Remote switch o 4 By closing the remote switch chime sounds once Continuous one tone chime Remote switch i By closing the remote switch one tone chime sounds continuously during the closure of the switch 11 z Schematic P 906A m pens INPUT 306A eh d 8 3 5 8 i ME PAC 906A ed 2 Te S E CN202 INPUT 100mV 1V 1 GH 1g Jour sl C20 150P zwo sw202 20 INPUT LEVEL LOW CUT lo 2 l ogv qu C20
7. 0V 5A OUTPUT FUSE 250V 6A 250V 10A 5 OUTPUT Connect to speakers TERMINALS 6 MODULE Accepts PLUG IN MODULES which are 7 INPUT optionally available Module selection is PORT determined by application 7 LOW CUT Cuts off unnecessary low frequency SWITCH 8 INPUT Selects input sensitivity Place in 1V LEVEL OdBv position when normally used SWITCH as a power amplifier a Note The position of INPUT LEVEL SWITCH should be changed according to modules used or equipment connected to DIRECT INPUT TERMINAL 9 DIRECT Connects directly to external equipment INPUT without using modules Unbalanced TERMINAL 10k ohms 10 EARTH Normally connects to a record player s TERMINAL ground y Input Connections e Two types of input terminals are provided on the rear for input connections 1 2P terminal marked HOT E lt is provided for direct input unbalanced 10k ohms without using plug in module This terminal is directly connected with a potentiometer inside 2 Plug in module input Select the desired module according to application e Plug the module into INPUT PORT sliding it between the guide rails and secure with two screws eWhen blank panel and secure it with screws INPUT PORT is not occupied cover the PORT with the eBe sure that INPUT LEVEL SWITCH is in the proper position for the module used or the equipment connecte
8. 2240GR ous me 25B647AC 108 109 280667 AC og 25023448 an 25A1011E ans 2SA970GR 0901 2503281 0902 2541302 po ES VRIIZA 7 nant i ES VE vis E alve vela ol F L sa VR401 10K B ES INPUT VR 1 on Ko 6203 2007 10K E nat G ng 20 TE ay In y Cu D SL VE em a pta if D201 e ge HZ 15 2 2 our D202 l M201 TL4558P or 25V E HZ 15 2 t NJM455800 ET f 212 r oo i ran DEENEN JE AC120V vm GER ai 3 En I R ae ER f ca usad am G METER mog FE 2 Je VU METER Les Bim Rok EL HO nice 9 i e A tok CN103 j e f 1 oam OUTPUT 912A ot ber l my OTI L l H BLU aan ur o Aca m 2 pe i RED e ES AD l IDL CURRENT ADJ Es D E o i Di DK i LC 07 miw E QUIT Ls WW 4 2 pour E Cum al o ID 38 THERMOSTAT 1C CN102 Q o Rid ASW T i D104 T I Fol gt D10
9. 5 F207 10K CN203 ae S 2068V FLAT INPUT HOT INPUT reo e P Cam 100mV 1V E HR 100K C203 be ka yma KE can Kn Wan Kid 14 M201 AJ ee SS 15 Set 1 8K 2W TB902 Sty Cu VM D m CNAs E tev Se to Dia P qva vera PO E s Z I ma EN ele em Aa 7 7 al vee vre a 330 pes SR ar FE HZ 15 2 27 our de E 1 C201 0 17 1 E M201 TLassaP SL Ge gt a 25V An ake CH R401 10K B Cran aa Y HZ 18 2 201 INPUT VR 1 car eu 0 01 1 8K 2 E E Looss gt oi PWR 906A cio 5 3Y 3307 om D 5 pe A ven HA12002 o Soe 4 D ET A L R105 1 5K 20 i neige oe To METER 6 Dap VU METER 1 aog HE WAN 56K Cie aos El SLC ag SS w ID wi 2 SOY er Laf 15K CN103 S DI 25V 2206 T A 4 ena Tar w De n sov zc RS OUTPUT 906A 1K 1K 27 1000 othe gt pit D 5 AR a105 a ao ane au xv 830 4 o Si aot VEL av 10 4 an S f 1K Err EIS 1 5K a 2 sn 0 VOLT ADJ IDL CURRENT ADJ ma om Quiz ni 2 SH Ei 0 0017 com op D be BLK A avi W m SS E OUTPUT FUSE 7 om nm nm 3Y um D val SA i 3 3K aar We E ba D ras TH 29 our sal SR tT F902 250V 6A BE ana om ans 123W THERMOSTAT 105C CN102 i 0 005 2 2 2K og 6 8K PT ad ans grits o SM el m 1 e mm enn oo D 470 Rea D I oul 4w R142 b 0 22 SW G 1 5K e K PA Kat Bi og DEZ 470 RIZO 4 D105 RUG S lge at ae A ao 35 35 la 200 2x ak cm aro AG z e a H aler E 3 8 BI D107 d R131 SV EE be 2K BP cu Ra infeur t RUBY C108 L a 100P EXA D112 ri DE 12K IEN A124 CE Gr e 8 2K Ono 30k pA
10. 5 Hg 1K HEDE ED mpi j i i OD eH ae m e SE o gt MO a uk o DES DS d d o CN601 ge 0 CN903 GEN Ff av au E st a E 5 d Au cal Ba erry J LA Lcec az Ce ToL E Sek SCH TEMP FUSE L METER ne Hr 1390 LL vn LANP E e AH NE Ate Pa Se E ZE Ch dm D601 l f DFO2M or ra WW Saat S1WB20 NGO z es S15VB20 Ge SI0VE20 1 RESISTANCE VALUES IN OHMS j 2 ALL RESISTORS 1 4W UNLESS OTHERWISE DESIGNATED 3 CAPACITANCE VALUES IN FARADS UNLESS OTHERWISE DESIGNATED 4 VOLTAGES ARE MEASURED TO CHASSIS GROUND WITH NO SIGNAL 5 ALL CAPACITORS 50V UNLESS OTHERWISE DESIGNATED 6 A NONFLAMMABLE RESISTOR E Sue
11. Operation Instruction Manual TOA NEW 900 SERIES y POWER AMPLIFIER fia A General Descriptions Wide frequency response 20 20 000 Hz 1dB The TOA P 906A and P 912A Power Amplifiers deliver up to 60 Low distortion and noise level watts and 120 watts of power respectively at less than 0 5 total Excellent output regulation harmonic distortion THD from 20 to 20 000 Hz transformerless A full range of plug in modules 4 ohm output The P 906A and P 912A have a high impedance Self protecting circuitry design direct input and an input port edge connector to accept one Varied output impedances 4 and 8 ohms 25 and 70 volts module accessory Module selection is determined by application Input level switch selectable 1 000mV 100mV among the TOA plug in modules Portable or rack mounting type The H 01 series H 02 series and H 03 series Microphone Pre amplifiers E 01 Mag Phono Preamplifier the X 01 series Auxiliary Preamplifiers for high level sources the B 01 series Bridging Trans formers for bridging high impedance lines the L 01 series Line Matching Transformers for matching 600 ohm lines 1 01 Paging Input for combining with the TOA Intercom System EXES 1000 EXES 5000 and EX 16 and the S 01 S 02 and S 03 Tone signal generators for generating attention getting signals and 1 kHz sine wave for testing within the total system The P 906A and P 912A have a low cut switch for a cutoff frequency of 60 Hz and an input level switch fo
12. able 42 22 dB BON 16dBy 20 20 000 Hz S N 7008 1 Gain 60 gr 2 12 02 Ate Boer Mag Phono E 01 series Unbalanced nominal 3 2mV nominal 34dB RIAA f 50 gr 1 76 02 Sg e RES E 01R E 01S Preamplifier win MUTE E 11 series 50k ohms adjustable 2 0 5 0 mV adjustable 34 26 dB Sa F16 dav Equalized S NO dB 60 dB Sa lE 55 gr 1 9402 T E 11R E118 _ gt X 01 series 70 gr 2 47 oz X 01F E X 01P X 01R X 01S SES Auxiliary with MUTE X 11 series Unbalanced nominal 100 mV nominal OdB 60 dB i 75 gr 2 65 oz X 11F X 11P X 11R X 11S Preamplifier RICA ra emae Gane 220k ohms adjustable 100 3 200 mV adjustable 0 300B8 63V 16 dBv 20 20 000Hz S N mee Gao control facilities x 21 0 60 dB 65 gr 2 29 oz X 218 i B 01 series SECH Ee 90 gr 3 17 02 B 01F B 01P lt BOS a Ente Balanced 125mv 1d8 20 20 000 Hz ar ranstormer with MUTE B 11 series ohms 60 dB Ge 95 gr 3 35 oz B 11F B 11P besen B 11S E L 01 series E beem 90 gr 3 17 oz L 01F Reg L 01P L 01S es m Line Matching with MUTE L 11 Balanced E ae 60 dB 95 gr 3 35 oz L 11S Transtormer with Signal Activating SES Min 15 mV to activate SE SE e L 41 izan v Min Em to asiivate t Sensitvty Ge 3 35 02 ee Mee Mes e Balanced 7 nominal 3 2V nominal 30dB 500 20 000 Hz 1 Mute Paging Input eil 600 ohms adjustable 3 2 10V adjustable 30
13. d the transportation company immediately State date nature of damage whether any damage was noticed on the shipping container prior to unpacking Please give waybill number of shipping order e Failure Should amplifier fail contact your nearest TOA authorized con tractor or service center Y Q Q o 24V DC or 3 Balanced D Module Low cut Switch e Output To Input Port 60Hz 6dB Oct lt 20dBv 0dBy 100m V iV Thermostat 105C gt Ee Unbalanced Direct Output Power 40 D Amp re mba N Gain Control gt Protecting Circuit e Output Muting VU DC Drift Direct Input Input Level Meter ri 20dBv 0dBv Selector OTN 20dBv 0dBv Meter Lamp P 906A P 912 A F901 250V 3A 250V 5A 24V DC I F902 250V 6A 250V10A gt 1 AC 120V 60Hz Vcc l el i AC Outlet 500W max l Unswitched ddBv 1Volt 2dBm NC _ al P 906A P 912A BLOCK DIAGRAM Specifications ge P 906A P 912A gt Type Power amplifier Output Power 120 watts RMS 60 watts RMS Power Band Width D 20 20 000Hz 0 5 THD T 50 20 000 Hz 0 5 THD EAR Frequency Response D 20 20 000 Hz 1 dB T 20 15 000 Hz 1 dB e 1dB T 20 20 000Hz 3db Total Harmonic Distortion 0 01 at 1 kHz rated output SS es ees ee oe One Input Port Port accepts any input module except T 01
14. d to DIRECT INPUT TERMINAL e When the P 906A or P 912A is used in combination with a mixer preamplifier or serves as an incremental power amplifier normally place INPUT LEVEL SWITCH in 1V 0 dBv position Plug in Modules and Input Level SW Setting A Input Level SW Setting Plug inModules Model eal 100mV z OdBv 20dBv Balanced low impedance microphone preamp module with presettable low cut filter high cut filter and H 01 0 gain controls Balanced low impedance microphone preamp module with pressetable low cut filter high cut filter H 21 ES O and gain controls and remote control facilities Balanced low impedance microphone preamp module H 02 _ o with presettable low cut filter and gain controls Balanced low impedance microphone preamp module with presettable low cut filter and gain controls H 22 O and remote control facilities Unbalanced high impedance microphone preamp module y A H 03 O with presettable low cut filter and gain controls Equalized mag phono preamp module y A E 01 8 O with presettable gain control Unbalanced high impedance auxiliary preamp module X 01 Oo with presettable gain control Unbalanced high impedance auxiliary preamp module with presettable gain control and remote control X 21 O facilities Balanced 10kQ bridging transformer module B 01 O O Balanced 6001 line matching transformer module L
15. emoto switch Mute Terminal Operation When the switch is closed a the signal fed to E 11 X 11 L 11 and B 11 are attenuated by approx 60dB Accordingly a microphone can have a priority ata time of announcement b the signal fed to H 31 and H 32 are delivered to the amplifier While the switch is opened the signals are attenuated e L 41 with signal activated muting facilities When this module accepts the input signal the mute terminal is grounded automatically without connection of the remote switch to the MUTE TERMINAL It causes the other modules with mute function like X 11 to be muted Accordingly the signal fed to the L 41 can have a priority e H 21 H 22 and X 21 Remote volume control facilities Connections Potentiometer 10k Remote volume control egen Se Input Connection Operation Preset the gain control of module and the input volume control of the corresponding input so that an appropriate sound level may be obtained through the remote volume control CAUTION Use the potentiometer of 10K ohms lest the interference from external noise Make wiring should occur T 01 SERIES BALANCED 600 ohm LINE OUTPUT MODULES This series of modules of rated output level 1 volt is used for transmitting mixing signals of amplifiers to external equipment and as a REC out lt is provided with a presettable gain control T 01 Series should be used exclusively for TOA 900 series A 9
16. ols ten 1 6002 10k2 Common 2 D E 4 Output l l Earth 1 Common Earth I art lud cy l Earth AAN zb Electronic Attenuator T ua 13 6002 10k2 H 02 Series 24V DC BmA 6 24V DC 5mA H Gain y Common NO 2 Output b Loc Gr Es I i Le t Earth Losa Electronic H228 00 _____ Attenuator Hot 3 6 24V DC 23mA arene aia Ad 1 Common t2 H C Output i la i Common 2 L i Earth 1 Remoto la 3 Earth 1 Electronic Attenuator H 32S i 24V DC T 01 Series rae Earth 1 common JIC L I S 01S 1 000Hz Sine Wave Generator H 03 Series 24V DC 7mA E 01 Series 02S Yelp Buzzer Signal Generator Yelp 24V DC 11mA Buzzer Electronic Attenuator E 11 Series S 03S Chime Signal Generator 24V DC 16mA Onetone Cont X 01 Series Electronic Attenuator 6 24V DC 10ma A Electronic X 11 Series Attenuator Low cut filter Time constant Electronic X 218 Attenuator 1 Earth 1 2 15 Remote 14 t PES AO Operation and Connections Plug in Modules e E 11 X 11 L 11 B 11 Series H 31 and H 32 with mute Connections M 900A A 903A A 906A A 912A R
17. r indicates 0 VU if continuous signals like sine waves are applied to the input of the amplifier Continuous signals When the power amplifier is used in combination with a mixer pre amplifier adjust the total gain at the mixer preamplifier with the gain setting of the power amplifier at maximum e Output Fuse Each amplifier has an output fuse to protect the amplifier from short circuiting at the output or overloading Check the fuse when speakers connected do not sound even if the meter deflects normally If the fuse blew replace with the same type fuse after confirming the following points 1 Speaker cables are not short circuited or the load does not exceed the rating specified 2 Wiring is correctly done at the output terminal board To mount the amplifier in a standard 19 inch equipment rack use the MB 931 Rack mounting Bracket accessory Ke Remove 4 screws securing case Fix the MB 931 with attached 4 screws van The length of the screws should not Silver exceed 12mm 1 2 inches OPTION Perforated Panel PF 911 OPTION Silver If two or more amplifiers are mounted in an equipment rack space should be pro vided between the units for ventilation The PF 911 Perforated Panel is recom mended for this purpose e Unpacking Upon receipt of the amplifier shipment please inspect for any damage incurred in transit If damage is found please notify your local TOA representative an
18. r input sensitivity of 1V OdBv or 100mV 20dBv Output terminals provide connections for 4 ohm and 8 ohm speakers plus 25 volt and 70 volt speaker dis tribution outlets With plug in modules the TOA P 906A and P 912A Power Am plifiers may be used as a pre power amplifier The P 906A and P 912A can be rack mounted by using the MB 931 Rack mounting Bracket accessory The PF 911 Perforated Panel 1 73 inches 1 rack unit accessory provides suitable ventilation finished in color to match the P 906A and P 912A OO Jo Oo P GO MM El TOA Toa Electric Co Ltd da KOBE JAPAN Printed in Japan INN JF JUL Rear Panel Controls and Features Front Panel Controls and Features e w u Item Name Function Description Item Name Function Description T 1 POWER Applies line power Two position 1 ACPOWER Connects to power source ON OFF pushbutton switch for on off modes SUPPLY SWITCH CORD L 2 METER Indicates the output level of the 2 AC OUTLET Provides AC power for auxiliary equipment amplifier At rated output it shows Unswitched with power consumption of up to 500W 4 Ge EE Se 3 AC FUSE Protects amplifier from excessive current gie o Bet ig tured on ameter a OUTPUT drain Replace only with same type fuse ill El Se FUSE Refer to qualified service personnel if fuse E ES F INPUT blowsrepeatedly 3 INPUT justs gain o SES VOLUME P 906A P 912A A CONTROL AC FUSE 250V 3A 25
19. sponse 4 Built in remote volume control circuit available for models having 20 s in its model number such as H 21 5 Built in muting circuit to mute incoming signal when MUTE TERMINAL is grounded available for modules having 10 s in its model number such as X 11 6 Built in muting circuit to deliver output signal when MUTE TERMINAL is grounded available for modules having 30 s in its model number such as H 31 7 Built in signal activated muting function L 41 Presettable gain control except for B 01 B 11 L 01 and L 11 9 Microphone modules furnished with tone controls H 01 H 02 H 21 H 22 H 31 H 32 and H 03 D Connection H 01 series H 02 series B 01 series B 11 series L 01 series T 01 series H 03 series E 01 series E 11 series X 01 series X 11 series x 21 CANNON XLR 3 13 Female type CANNON XLR 3 12 Male type 2 57 Earth A Hot CANNON XLR 3 12 Male type CANNON XUR 3 14 Male type a 7 Earth Common L Hot CANNON XLR 3 11 Female type CANNON XLR 3 11 Female type Earth E Common 2 A_ Hot Phone Plug Double Pole I Earth Hot RCA Phono Jack Gum Hot O Get Common Y Earth LITA US Hot 00 Wee d Potentiometer Hot Ds Ke Tt Common Potentiometer ps Hot Earth E Earth TOA NEW 900 SERIES Plug in Modules
20. the best acoustic condition re ope heel Place the LOW CUT SWITCH in CUT position C 9 EEE When connecting speakers to the 49 output UNBALANCED DIRECT OUTPUT P 906A P 912A a Remove shorting bar a IT 4 ohm Installation Do not block cover ventilation holes The amplifier should not be placed in areas 1 with poor ventilation 2 exposed to direct sunlight 3 with high ambient temperature or adjacent to heat generating equipment 4 with high humidity or dusty levels 5 susceptible to vibration Note When the temperature of heat sink exceeds 105 C the protection circuit is activated and the output is disconnected from the circuit The signal automatically begins to be output as the temperature goes down In such a case confirm whether or not unit is overloaded or operated on an excessive output When all connections are completed turn power switch on Then the meter is illuminated Approx 5 seconds after switching power on the amplifier comes into operation ADJUSTMENT OF VOLUME CONTROL Adjust the input volume control to obtain appropriate output level In normal use of BGM playing or announcement the deflection of the meter is recommended to be within the range as indicated in the drawing Tone quality will be considerably deteriorated if the pointer indicates around 0 VU In normal use of BGM playing or announcement The pointer of mete
21. tivity for muting other modules having MUTE function Turn CW to raise and CCW to lower sensitivity Setting position should depend on the equipment connected with L 41S The left figure shows nominal setting of controls max attenuation MUTE DELAY CONTROL I 01S HIGH CUT FILTER CONTROL 4 2kHz 6dB oct max attenuation obtain proper tone quality With low cut tonebecomes clear This adjusts MUTE delay time which is the duration from signal input to its output Turn CW to shorten and CCW to lengthen the time This provides flat characteristics at full CW position and attenuation in high frequency by turning CCW Adjust it to obtain proper tone quality With high cut tone becomes soft Dimensions in mm inches H x W x D CAUTION Modules model E 11 X 11 B 11 L 11 L 41 H 31 78 3 07 x35 1 38 x88 3 46 H 32 and T 01 should be used exclusively with model A 903A A 906A A 912A and M 900A TOA NEW 900 SERIES H 01 Series B 01 Sereis ti IT Ha 7 Input Connector i Hot 4 Output Common CAE 3 Earth Lam Electronic fb i g H 218 att Aitenuinter B 11 Series 6 24V DC Sma Hot 3 24V DC 23mA LT 108 100 47 Do e Ps MA rth i t a i Common Earth I I 15 Earth l Earth ET j oes parma i Remote 4 A Mute E el Electronic Attenuator L 01 Series FO H
22. which cannot be used Inputs One Direct Input Note Use of direct input prohibits use of modular input port Input Sensitivity Impedan Input Port 100 mV or 1 000 mV Switchable 10k ohms SE Direct Input 100 mV or 1 000 mV Switchable 10k ohms Outputs Main T 8 ohms 25 amp 70 volts balanced D Direct 3 Main D 4 ohms unbalanced T Transformer Output Regulation 1 kHz D Less than 0 5 dB no load to full load T Less than 1 0 dB no load to full load 7 Signal to Noise Ratio Input level switch in O dBv 1 000 mV position 108 dB Band Pass 20 20 000 Hz Input level switch in 20 dBv 100 mV position 90 dB 1 Input gain control Control 1 Input level switch A 1 Power ON OFF switch 1 Low cut switch 60 Hz 6 dB octave 4 Indicator 1 Illuminated VU meter Protection Self protection with 2 AC fuses 1 inside and 1 output fuse Inputs sca Se tada Card edge connector and screw terminal strip Connectors QutputsS i sann rr Screw terminal strip AC outlet 3 pin grounding type AC power cord plug SJT 3 prong type Power Consumption AC 1 20 volts 60 Hz 100 watts AC 120 volts 60 Hz 180 watts ails Temperature Range 10 C to 60 C 12 F to 140 F Dimensions in mm inches high x wide x deep 145 5 71 x 420 16 54 x 315 12 40 Rack mounting space size 3U 5 21 Weight without input modules 10 4 kg 22 9 lbs 14 2kg 31 2 Ibs Color

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