TOA Electronics BA-800 Cassette Player User Manual
Contents
1. ro qe er d 66 Power Switch Press this switch a to turn power ON To turn power OFF press this switch ML again Power Indicator Green Lights when the power is switched ON and goes out when switched OFF Play Button Press this button when playing back a tape For details refer to Tape Playback on p 17 Stop Button Press this button to stop the tape run Tape Travel Indicator Green The indicator of a cassette player unit in operation lights It flashes when the cassette player unit fails Refer to Fault indication on p 26 Eject Button 4 Press this button to eject the tape C Blank Skip Switch Set this switch to ON to use the blank skip function Set it to OFF when not using the function Refer to p 26 for this function Track Sequence Selection Switch Selects tape playback order For details refer to p 20 Track Sequence Selection 9 Auto Reverse Cassette Player Unit CU 800 Cassette Tape Receptacle Dolby NR Switch OFF ON Set this switch to ON when playing a tape recorded with Dolby B type NR Tape Volume Control 63 Microphone Volume Control Make sure to set this control to zero when no microphone is connected to the BA 806 64 Signal Indicator Green Lights green when a signal is transmitted to the speaker output terminal Refer to p 19 5 Peak Indicator Red Lights red when the2. 000 tete 4 2 CASSETTE oiler 5 3 NOMENCLATURE 3 1 BA 800 Front and Rear View mettent 6 7 3 2 BA 806 Front and Rear View ttti 8 9 3 3 BA 823 Front and Rear View ettet 10 11 4 CONNECTIONS 4 1 BA 800 Connection Example qud eee 12 42 BA 806 Connection Example eristi 13 14 4 4 0 0 aie 15 4 5 823 Speaker verrei 16 4 6 Timer Connection cue bre mp Pup ca aaa 16 5 OPERATION D 7 8 9 10 11 12 13 5 1 Playback 1 Playback Operation ETE E 2 Stop ios designati cedat uper andes heme eU 3 Tape Ejection Loading 4 Timer ON OFF Control mmm nennen enitn nente rennen 18 5 AGC Circuit cert 18 x 7 6 Microphone Announcements 7 Microphone Activated Muting Circuit es doe eT 19 8 Signal and Peak Indicators eee 19 52 Track Sequence Selection 1 Alternate A A B B Playback menm nenne nennen nenne 20 2 Alternate A B A B Playback meme 20 EXPANSION 6 1 Connections 1 Expansion Using One BA 800 eene 2 Expansion Using Two BA 800 s lt lt 6 2 Operation of An Expanded System 1 Playback Operation EM Ue MI E 23 24 24 Timer Connection When Expanded mE 25 6 3 AR o ea 26 FAULT INDICATION sean BLANK SKIP FUNCTION Da 550 cese ee ERE Feet
3. 14 DOUBLE CASSETTE PLAY AMPLIFIER 813 Cp Power Switch Press this switch a to turn power ON To turn power OFF press this switch IK again Power Indicator Green Lights when the power is switched ON and goes out when switched OFF Play Button Press this button when playing back a tape For details refer to Tape Playback on p 17 Stop Button Press this button to stop the tape run 5 Tape Travel Indicator Green The indicator of a cassette player unit in operation lights It flashes when the cassette player unit fails Refer to Fault indication on p 26 Eject Button 4 Press this button to eject the tape 7 Blank Skip Switch Set this switch to ON to use the blank skip function Set it to OFF when not using the function Refer to p 26 for this function Track Sequence Selection Switch 2 Selects tape playback order For details refer to p 20 Track Sequence Selection Auto Reverse Cassette Player Unit CU 800 60 Cassette Tape Receptacle 07 Dolby NR Switch OFF ON Set this switch to ON when playing a tape recorded with Dolby B type NR Tape Volume Control B Microphone Volume Control Make sure to set this control to zero when no microphone is connected to the BA 823 Signal Indicator Green Lights green when a signal is transmitted to the speaker output terminal Refer to p 19 65 Peak Indicator Red Lights red w
4. 88 C Co PROGRAM TIMER N STOP PLAYER BA 800 120VAC 60Hz GROUND 00 0 0 6 ojo o TI STEREO AMPLIFIER AMPLIFIER 4 2 806 Connection Examples Note Be sure to plug the power cord into the 120VAC wall outlet If the power voltage differs the equipment may not work properly or fires or electrical shocks may result BA 800 for expansion PROGRAM TIMER MICROPHONE 200 2 1 120 46 60Hz o ATTENTION max a tower WARNING 10 ne net To amplifier line input mixer line To amplifier or output Il momo ore pone o oooooloolo Grm o 6 CT AMPLIFIER UI AMPLIFIER CD PLAYER or To tape recorder playback output TL CD PLAYER 1 t 1 1 CASSETTE DECK al 4 3 BA 823 CONNECTION EXAMPLE Note Be sure to plug the power cord into the 120VAC wall outlet If the power voltage differs the equipment may not work properly or fires or electrical shocks may result BA 8
5. elelee COM 40 25V 70 Connect all the timer stop input terminals BA 806 BA 823 7 FAULT INDICATION BA 800 806 BA 823 If a cassette player unit TAPE 1 or 2 malfunctions the corresponding tape travel indicator flashes Tape travel indicator TAPE 1 TAPE 2 2p AE Tw Flashes when 1 deck malfunctions Flashes when TAPE2 deck malfunctions If either indicator flashes make no further attempt to use the corresponding cassette player unit Eject the tape immediately and replace the faulty cassette player unit with a new one The cassette player unit of other indicator that does not flash can still be used Note The tape travel indicator also flashes when the cassette player unit is removed but this does not infer real malfunction You can still use other cassette player unit unless its tape travel indicator is flashing For cassette player unit CU 800 replacement refer to p 27 8 BLANK SKIP FUNCTION BA 800 BA 806 and BA 823 Your tape player comes with a Blank Skip function If an unrecorded section in the tape lasts for ten seconds or more during playback the tape is automatically sent forward at top speed to skip the unrecorded section to re start playback from the top of a next piece of music The Blank Skip function can be made available by setting the blank skip switch to ON Note The function may operate in
6. Track sequence selection switch Refer to p 20 Blank skip switch Refer to p 26 Link switch Refer to p 21 22 Set the Dolby NR switch to ON to play a tape recorded with Dolby B type noise reduction 5 1 Playback 1 Playback Operation D Set the power switch amp to ON and confirm that the power indicator lights 2 Tu POWER 077 OFF Push 2 Insert the tape into the tape receptacle ri gt ed CUP contirm the Dolby NR switch setting 0 insert the tape into the tape receptacle Press the play button Play begins and the tape travel indicator TAPE 1 or TAPE 2 lights 4 Adjust the tape volume control BA 806 BA 823 Adjust the BA 800 s monaural line output volume control to an appropriate level in advance when using the BA 800 s mono line output 5 Adjust the tone control Note When tapes are inserted into both cassette player units TAPE 1 and 2 play begins with the TAPE 1 cassette player unit 2 Stop Operation To stop tape motion during playback press the stop button WI The tape travel indicator is extinguished 3 Tape Ejection and Loading Press the eject button 4 to eject the tape When inserting a new tape set the Dolby NR switch to ON or OFF depending on whether or not the tape has been recorded using the Dolby NR Note 1 Tape can b
7. S d tef Parallel connection Total impedance has to be greater than 10 ge Be sure to replace the speaker output terminal cover after speaker connection completion 4 5 Speaker Connections BA 823 OUTPUT Low impedance speakers 4 to 160 The type of speakers connectable to each channel are those with impedance of over 4 When connecting multiple speakers the total speaker impedance must be over 40 If under 40 a protective circuit is triggered to prevent the equipment s normal operation or equipment failures will occur Use speakers with permissible input of over 30W Note that if the power exceeding the permissible input is applied to the speaker the speaker may be damaged 4 6 Timer Connections BA 800 BA 806 and BA 823 Connectthe rear mounted terminals to the timer s no voltage contacts LINK TIMEH IN E OUT IN STOP PLAY No voltage make contact Program timer 6 Make duration needs to be 200msec or more 5 800 806 823 Check for proper connection of the power cord speaker cables etc Set each volume control to minimum position Set the tone control to center position BA 806 BA 823 Set each ofthe following switches to desired position AGC switch Refer to p 18
8. output to the speaker approaches a clipping level If steadily lit turn down the volume Also refer to p 19 8x BA 806 lt Rear View gt ATTENTION ox come 9 WARNING To 4 oc six OF foo o0 MGT ros is 14 DF MO c Microphone Input Terminal AUX 1 Input Connector AUX 1 Volume Control AUX 2 Input Terminal 8 AUX 2 Volume Control amp AGC Switch Setting this switch to ON maintains the playback output volume constant regardless of variations in the tape recording level For details refer to Circuit on p 18 Tone Control Bass Treble Line Output Terminal 9 Link Input Connector Signal 60 Link Switch Setthis switch to ON when expanding the BA 806 using the BA 800 Be sure to setthe switch to OFF if not expanded Link Input Terminal Control Note Use for expansion using the BA 800 Refer to Expansion on p 21 22 Timer Input Terminal Connects to an external timer for ON OFF control Refer to p 16 3 Speaker Output Terminal Connects to the speaker For Details refer to p 15 Speaker Connections amp Power Cord Plug this cord into the wall outlet 120V AC 5 Ground Terminal Grounding point for the unit BA 823 lt Front View gt DOLBY NR TAPE 2 OFF fon
9. 00 for expansion q gt E MICROPHONE 2000 TONE BALANCE aoje ATTE EON 6 120 60 2 SPEAKER LEFT To amplifier line input T o amam AMPLIFIER To amplifier or mixer line output 07s coo T 14 AMPLIFIER T CD PLAYER or To tape recorder playback output CD PLAYER E E Bocca 4 4 Speaker Connections BA 806 Low impedance speakers 4 to 160 OUTPUT alelelelele COM 40 25V 70V impedance speakers KX 4 to 160 When connecting two or more speakers make sure that the total speaker impedance is greater than 4 If two 8 Q speakers are connected in parallel the total impedance is 40 High impedance speakers have to be connected to the 70V or 25V terminal 1 Connection to the 70V terminal OUTPUT olele COM 40 25 70V eei S Parallel connection ee Mente Total impedance has to be greater than 83 SX or total wattage less than 60W 2 Connection to the 25V terminal OUTPUT doeloe COM 40 25V 70V
10. OPERATING INSTRUCTIONS 24 DOUBLE CASSETTE PLAYER BA 800 DOUBLE CASSETTE PLAY AMPLIFIER BA 806 DOUBLE CASSETTE PLAY AMPLIFIER BA 823 N BA 800 BA 806 fix SA OMEN uyan aaan BA 823 A Please follow the instructions in this manual to obtain optimum results from this unit We also recommend that you keep this manual handy for future reference TOACorporation LIGHTNING FLASH WITH CAUTION ARROWHEAD WITHIN A TRIANGLE IS A UOL OPENA S INTENDED TELL THE USER THAT PARTS INSIDE THE PRODUCT ARE A CAUTION RISK OF ELECTRIC SHOCK TO TO REDUCE THE RISK OF ELECTRICAL PERSONS SHOCK DO NOT REMOVE COVER NO USER SERVICEABLE PARTS INSIDE THE EXCLAMATION POINT WITHIN A REFER SERVICING TO QUALIFIED SERVICE PERSONNEL TRIANGLE IS INTENDED TO TELL THE USER THAT IMPORTANT OPERATING AND SERVICING INSTRUCTIONS ARE IN THE PAPERS WITH THE APPLIANCE 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 CONTENTS 1 USER
11. TR 26 CASSETTE PLAYER UNIT CU 800 REPLACEMENT n 27 27 TROUBLESHOOTING ode Ree ibaa Ne AEQ Mun rss st dta 28 SPECIFICATIONS TEE 28 29 E abd dame dli eed Rd 30 Sra des e rA Da PR ese ACCESSORIES 260 ewe dd Nite cuca svete 1 USER PRECAUTIONS Avoid installing the unit near heaters as well as locations exposed to direct sunlight as this may discolor or deform the unit s exterior Avoid using the unit in humid or dusty locations Also do not block air exhaust vents located on the top and side panels to prevent equipment failures BA 806 BA 823 Keep beverages away from the unit as they may be spilt Also do not insert combustibles or metallic objects such as hairpins and needles into the unit to prevent fires electrical shocks and equipment failures To avoid severe electrical shocks and possible catastrophic damage never open the unit nor touch its internal components Always take hold of the plug to unplug it from the power outlet Do not bend the power cord excessively nor place any heavy equipment on the cord as the cable may be damaged resulting in fires or electrical shock Unplug the power cord from the wall outlet if the unit is to be stored for two weeks or more Avoid installing the unit on the unstable table or in vibratory locations as this may damage the unit or badly influ
12. circuit which automatically reduces the tape output volume and AUX 1 volume by approximately 20dB when a microphone announcement is made through such inputs The tape output volume gradually returns to its original level after the announcement is completed Note The microphone activated muting circuit does not work when the microphone volume control is set to minimum position Volume levet Tape or AUX 1 valume Commencement of microphone annoucement Attenuation Volume decreases Volume gradually returns to original level Approx 2008 ae Microphone annoucement compietion Time 8 Signal and Peak Indicators BA 806 and BA 823 During tape play or microphone announcement see to it that the peak indicator red does not light If it lights this indicates that the output is distorted and so turn down the volume PEAK SML ks The signal indicator green lights when a signal is output to the speaker Check amplifier operation with this indicator SIGNAL mu 5 2 Track Sequence Selection BA 800 806 and BA 823 When both cassette player units TAPE 1 and 2 are used the tapes can be played back in order of side A A B B or A B A B which is selectable by means of the track sequence selection switch 1 Alternate A A B B Playback 2 With the track sequence switch set to A A B B position both cassette player units first play back side A of t
13. e ejected only when the power is ON It cannot be ejected if power is OFF 2 When both cassette player units TAPE 1 and 2 are loaded with tapes if the tape being played back is ejected other tape is played back TAPE 1 ejected TAPE 2 played back TAPE 2 ejected TAPE 1 played back 3 Do not block tape actions when ejected because this may result in equipment failures or cause the fault indication facility to malfunction 4 When ejecting and instantly re loading the tape wait until the tape is completely ejected Your attempt to force the tape in the cassette player unit while it is still being ejected may lead to equipment failures or malfunctions of the fault indication facility 5 When the fault indication facility malfunctions it can be returned to normal by pressing the eject button 4 Timer ON OFF Control Confirm that the program timer is connected properly as indicated on p 16 CD Set the power switch to ON and confirm that the power indicator lights Insert a tape Play begins when the player s timer ON terminals are shorted by the timer Play stops when the player s timer OFF terminals are shorted by the timer Note 1 The timer ON OFF control can be performed only when the power is ON Be sure to set the power Switch to ON before inserting the tape 2 Adjust the tape volume to an appropriate level in advance BA 806 BA 823 When using a timer to activate the BA 800 adjus
14. ence its operation Use a soft cloth to wipe off dust and grease from the front panel and case When these parts are very dirty dip the soft cloth in a small amount of neutral detergent remove the dirt and wipe with a dry cloth Never use thinner benzine alcohol or other solvents which may damage the unit s finish Dolby noise reduction manufactured under license from Dolby Laboratories Licensing Corporation DOLBY and the double D symbol LIC are trademarks of Dolby Laboratories Licensing Corporation 2 CASSETTE TAPES Your tape player automatically detects the type of tape you are using without having to switch a tape selector in accordance with the type of tape The following three different cassette tapes are usable Good 1 Normal tape 2 Chrome tape 3 Metal tape Normal tape Chrome tape Metal tape The C 120 tapes 120 minutes recording time for both sides and endless tapes are not recommended because their tapes are extremely thin and can often be slack or twist leading to unstable operation C 120 Endless tape The C 90 90 minutes and C 60 60 minutes are most commonly used 6 To prevent damage of the tape and unstable operation always store the cassette tapes in locations offering limited exposure to direct sunlight high temperature and magnetic effects speakers and TV receivers Ifthe slack or protruding tape is used it may cause a tape twist around the pi
15. heir respective tapes and then side B starting with TAPE 1 This is repeated between both cassette player units in the following sequence START Side A of TAPE 1 oo Side A of TAPE 2 L Side B of TAPE2 Side B of TAPE 1 2 Alternate A B A B Playback gt If the track sequence selection switch is set to A B A B position both cassette player units alternately play back both sides A and B of their respective tapes before they are switched to each other Side A of TAPE 1 Side A of TAPE 2 fo Side of 1 Side of TAPE 2 Note 1 Side A of the tape mentioned above refers to the side to play first Therefore it is not the same as that which is shown on the tape 2 Be sure to set the link switch to OFF when using a BA 800 BA 806 or BA 823 individually If set to ON the tape stops after TAPE 2 playback is finished 6 EXPANSION Connection of the BA 800 BA 806 or BA 823 to the BA 800 increases the number of usable cassette player units from two to four which repeat plays in turn 6 1 Connections 1 Expansion using one BA 800 LNK TWERIN 0X aly Set both link switches to ON BA 800 for expansion E OUT N STOP PLAY OUTPUT 66 COM 40 25V 70V BA 800 BA 806 or BA 823 Playback order of an ex
16. hen the output to the speaker approaches a clipping level If steadily lit turn down the volume Also refer to p 19 823 lt Rear View gt Microphone Input Terminal AUX 1 Input Connector AUX 1 Volume Control AUX 2 Input Terminal amp AUX 2 Volume Control AGC Switch Setting this switch to ON maintains the playback output volume constant regardless of variations in the tape recording level For details refer to AGC Circuit on p 18 Balance Control amp Tone Control Bass Treble Line Output Terminal Link Input Connector Signal Link Switch Set this switch to ON when expanding the BA 823 using the BA 800 Be sure to set the switch to OFF if not expanded 42 Link Input Terminal Control Note Use 60 4 and for expansion using the BA 800 Refer to Expansion on p 21 22 63 Timer Input Terminal Connects to an external timer for ON OFF control Refer to p 16 44 Speaker Output Terminal Connects to the speaker For Details refer to p 16 Speaker Connections 5 Power Cord Plug this cord into the wall outlet 120V AC 60 Ground Terminal Grounding point for the unit 4 CONNECTIONS 4 1 BA 800 Connection Examples Note Be sure to plug the power cord into the 120VAC wall outlet If the power voltage differs the equipment may not work properly or fires or electrical shocks may result BA 800 for extension a
17. l indicator lights In this event the highest priority is given to the BA 806 followed by the BA 800 connected directly to the BA 806 and the remaining BA 800 unit 2 Even if the BA 800 s play button is left ON in the above examples tapes can be switched from one cassette player unit to another To prevent incomplete tape to tape switching play begins from the middle of the tape however do not press the play button of any connected component during play 3 Be sure to set the power switch of all connected BA 800 units to ON If a certain unit has its power switch set to OFF the tape stops at that unit making continuous play impossible any longer 2 Stop Operation Press the stop button of the component in play mode 24 6 3 Timer Connection When Expanded Even when the system is expanded a timer can be used to control ON OFF operation of tape playback In this event play begins with the component the timer is connected to Note Connect all the timer stop input terminals to each other Otherwise the tape may not stop Timer Connection Example No voltage make contact of program timer etc LINK IN STEREO LINE IN 2nd BA 800 for expansion STEREO LINE IN 1st BA 800 for expansion HNC ofr OUTPUT IN STOP PLAY
18. nch roller and capstan or damage the tape Before inserting the tape into the cassette player unit take up the slack by inserting a pencil through the reel hub and turning it as shown in the figure 3 NOMENCLATURE BA 800 gt Front View gt qr 1 DOLBY NR DOLBY NR 2 dL STON EE On FA DOUBLE CASSETTE PLAY AMPLIFIER 84 300 8 Cp Power Switch Press this switch to turn power ON To turn power OFF press this switch amp amp again 2 Power Indicator Green Lights when the power is switched ON and goes out when switched OFF Play Button Press this button when playing back a tape For details refer to Tape Playback on p 17 Stop Button m Press this button to stop the tape run 5 Tape Travel Indicator Green The indicator of a cassette player unit in operation lights It flashes when the cassette player unit fails Refer to Fault indication on p 26 Eject Button Press this button to eject the tape 7 Blank Skip Switch Set this switch to ON to use the blank skip function Set it to OFF when not using the function Refer to p 26 for this function 8 Track Sequence Selection Switch 2 2 Selects tape playback order For details refer to p 20 Track Sequence Selection Auto Reverse Cassette Player Unit CU 800 40 Cas
19. opping off The head should therefore be regularly demagnetized with the commercial head eraser 11 TROUBLESHOOTING Although some failures can be traced to legitimate mechanical faults some are in fact the results of improper maintenance tape defects or lack of experience in operating the player If you think that there is a failure refer first to the following checklist 15 the BA 800 BA 806 or BA 823 properly connected to the speaker and other components Is the power cord securely plugged the power outlet Are switches and volume controls placed in the proper positions sthe microphone switch set to ON Symptom Cause Remedy Tape does not run AC cord is not plugged in Plug cord in correctly Tape is inserted improperly Remove tape and insert properly Output cords are connected improperly Connect cords correctly No playback sound Tape volume control is set to leftmost Turn control to suitable position position 0 High frequencies Heads are dirty Clean capstan and pinch roller with a commercial are weak Heads are magnetized cleaning tape Sound is unsteady Capstan is dirty Excessive noise Tape is old Renew the tape 12 SPECIFICATIONS lt BA 800 gt Power Requirements 120VAC 60Hz Power Consumption 8W Mono line out 6000 1 V balanced Stereo line out 10 0 300 mV unbalanced L R Distortion Less than 3 Mono line out 1000 Hz 1 V Frequency Res
20. panded system When the BA 800 BA 806 or BA 823 is expanded using a BA 800 unit play begins with TAPE 1 TAPE 2 if TAPE 1 is not loaded with a tape of the unit of which play button has been pressed and is switched as follows depending on the track sequence selection switch setting a When the sequence selection switch of both units is set to A A B B position START Side Aof 1 l gt Side Aof TAPE2 Side Bof TAPE Side Bof TAPE2 Side Aot TAPE m Side A of TAPE 4 Side B of TAPE 3 Side B of TAPE 4 b When the sequence selection switch of both units is set to A B A B position 2 START Side Aof TAPE 1 Side A of TAPE 2 Side of TAPE 1 Side B of TAPE 2 Side A of TAPE 3 Side A of TAPE 4 Side B of TAPE 3 Side B of TAPE 4 2 Expansion using two BA 800 s LINK IN L OFF ON QO KIERES IREI Set all link switches to on L 2nd BA 800 for expansion TIMER IN 5 E OUT IN STOP PLAY STEREO LINE IN L 1st BA 800 for expansion TIMER IN coe oele elo 40 25V 70V 800 806 823 6 2 Operation of an Expanded System Follow the procedures below to operate the BA 806 expanded by using two BA 800 units The opera
21. ponse 50 15 000 Hz 50 dB Dolby NR OFF AGC OFF SIN Ratio 60 dB Dolby NR ON AGC OFF Usable Tape Compact cassette tapes Tape Speed 4 76cm sec Wow and Flutter Less than 0 2 WRMS Outputs Playing System Auto Reverse x Front panel Aluminium alumite process black ABS resin Finish Case Steel color plate black Dimensions 420 W x97 H x300 D mm 16 6 W x3 8 x11 9 DJin Weight Approx 6 2kg 13 7 Ib Specifications are subject to change without notice lt 806 gt Power Requirements 120V AC 60Hz Power Consumption 100W Output Power 60W Distortion Less than 1 1000Hz at rated output on AUX 2 input Frequency Response TAPE 50 15 000 Hz AUX 2 50 20 000 Hz x 3 dB BASS 100Hzz10dB Tene venues TREBLE 10 000 Hz 10 dB MIC 200 Q 1mV balanced Inputs AUX 1 50 100m V unbalanced AUX 2 600 1V unbalanced LINK IN signal 10k 150m V unbalanced Speaker output 4 100 25V Outputs 830 70V Line output 600 1V unbalanced TAPE 50 dB Dolby NR OFF AGC OFF S N Ratio 60 dB Dolby NR ON AGC OFF MIC 60 Usable Tape Compact cassette tapes Tape Speed 4 76cm sec Less than 0 2 WRMS Wow and Flutter Playing System Auto Reverse 0 7 Front panel Aluminium alumite process black ABS re
22. rating instructions 1 30 TOA Corporation 133 12 107 60 KOBE JAPAN TOA
23. sette Tape Receptacle 4 Dolby NR Switch OFF ON Set this switch to ON when playing a tape recorded with Dolby B type NR 800 gt Rear View gt J 9 STE GI D DOUBLE CA 3p PLAYER model BA 800 OUTPUT 1V 6002 TOA Corporation Monaural Line Output Terminal Monaural Line Output Volume Control Stereo Line Output Connector AGC Switch Setting this switch to ON maintains the playback output volume constant regardless of variations in the tape recording level For details refer to AGC Circuit on p 18 Link Input Connector Signal Link Switch ON OFF Set this switch to ON when expanding Be sure to set the switch to OFF if not expanded Link Input Terminal Control Note Use 6 and for expansion using the BA 800 Refer to Expansion on p 21 22 amp Timer Input Terminal Connects to an external timer Refer to p 16 Power Cord Plug this cord into the wall AC outlet 120V AC Ground Terminal Grounding point for the unit 806 lt Front View gt 9 9 8 Ee 6 6 CY AUTO REVERSE AUTO REVERSE M is en ea p o DOLBY NR DOLBY NR 2 5 1 2 T TAPE TAPE zl za 4 54 DOUBLE CASSETTE PLAY AMPLIFIER BA 806
24. sin Finish Case Steel color plate black Dimensions 420 W x97 H x350 D mm 16 6 W x 3 8 H x13 8 D in Weight Approx 10 3 kg 22 7 Ib Specifications are subject to change without notice BA 823 gt Power Requirements 120V AC 60Hz Power Consumption 100W Output Power 30W 30W Stereo Distortion Less than 0 5 1000 Hz at rated output on AUX 2 input Frequency Response TAPE 50 15 000 Hz AUX 2 50 20 000 Hz 3 dB Tone Controls BASS 100Hz 10dB TREBLE 10 000 Hz 10 dB H MIC 200 0 1mV balanced AUX 1 50k Q 100 mV unbalanced Inputs AUX 2 600 0 1V unbalanced 1 LINK IN signal 10k 150 mV unbalanced SPEAKER OUTPUT L 49 Outputs R 4Q LINE OUTPUT 600 0 1V unbalanced S N Ratio TAPE 50 dB Dolby NR OFF AGC OFF 60 dB Dolby NR ON AGC OFF MIC 60dB Usable Tape Compact cassette tapes Tape Speed 4 76cm sec _ RP M Wow and Flutter Less than 0 2 WRMS Auto Reverse Playing System Finish Front panel Aluminium alumite process black ABS resin Case Steel color plate black Dimensions 420 W x97 H x350 D mm 16 6 W x 3 8 13 8 0 in Weignt Approx 8 7kg 19 2 Ib Specifications are subject to change without notice 13 ACCESSORIES 800 Stereo pin cord 1 Warranty card 1 Operating instructions 1 BA 803 806 Warranty card 1 Ope
25. t the monaural line output volume control to an appropriate level in advance 5 AGC Circuit BA 800 BA 806 and BA 823 Your tape player has a built in AGC Automatic Gain Control circuit to maintain the tape output volume constant regardless of variations in the recording level of each tape This eliminates the necessity of adjusting the volume control every time tapes are swapped To use the AGC circuit set the AGC switch to ON Set the switch to OFF if the function is not required E 6 Microphone Announcements BA 806 and BA 823 Connect a microphone to the microphone input terminal located on the rear panel D Set the power switch to ON and confirm that the power indicator lights 2 Adjust the microphone volume control Making an announcement during tape play triggers an internal microphone activated muting circuit and the tape output volume automatically decreases by approximately 20dB The tape volume automatically returns to a previous level after announcement completion For the microphone activated muting circuit refer to Item below Cautions 1 Make sure to set this control to zero when no microphone is connected to the BA 806 or BA 823 2 Be sure to set the microphone switch to OFF after announcement completion because the muting circuit is activated by ambient noise if the switch is left ON 7 Microphone Activated Muting Circuit BA 806 and BA 823 The microphone and AUX 2 inputs are provided with the muting
26. the middle of playback if an extremely low recording level tape is used or if the tape contains a relatively long low signal level section such as pianissimo In such cases set the blank skip switch to OFF 9 CASSETTE PLAYER UNIT CU 800 REPLACEMENT Revolving parts of a unit mechanism are impaired with extended use downgrading the sound quality The CU 800 s life is approximately 2 000 hours which can be made 4 000 hours 500 days for 8 hours per day by using two units alternately Whenever possible attempt to use both units of the BA 800 BA 806 or BA 823 to make overall unit life longer If the unit is used for more than 1 000 hours and the sound quality deteriorates replace it with a new unit For cassette player unit CU 800 replacement contact your nearest TOA dealer 10 MAINTENANCE Cleaning the head section The head section is comprised of the heads capstans and pinch rollers and with extended use these parts accumulate dust dirt and grease easily as the tape runs If this assembly gets dirty the contact between the tape and the surface of the heads is impaired and this not only downgrades the sound quality but causes a tape twist around the pinch roller and capstan To prevent this clean the head section and surrounding parts regularly once a month Demagnetizing the heads The recording head becomes magnetized when you use the player for prolong periods of time This results in noise being generated and the treble dr
27. tion is quite similar to that which is required when using two BA 800 units to expand the BA 800 BA 806 or BA 823 1 Playback Operation D Set all power switches to ON Insert tapes into cassette player units to use Each cassette player unit plays in turn starting with TAPE 1 TAPE 2 if TAPE 1 is not loaded with a tape of the unit of which play button has been pressed Example 1 The BA 800 s play button is pressed during the BA 806 s play Ga aot 2nd BA 800 for expansion mmt jJ oc T 1st BA 800 for expansion mui i Q 9 Oo CO C mo BA 806 The optional BA 806 s play is not interrupted Speaker Example 2 The 2nd BA 800 s play button is pressed while the 1st BA 800 unit is playing 0 0 alg slide 2nd BA 800 for expansion 0 1 0 0 all alll D 1st BA 800 for expansion 8 all O 0 ali O IB BA 806 22 RSSA The 151 BA 800 still continues to play Speaker Note 1 If the play button of other connected player is pressed during playback its tape starts to run and tape trave
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