Страница 1: ...11111111111111111 OPERATOR S MANUAL CROSS FIELD HEAD FOUR TRACK STEREOPHONie TAPE RECORDER ...
Страница 2: ...12 2 Stereo Playback 12 3 Automatic Stop 3hut Üff 13 4 Instant Stop Control 13 5 Stereo Recording 14 6 Recording from Stereo Broadcast 15 7 Recording li om Stereo Dises 15 8 Monaural Rccording on Tracks No 1 4 15 9 Monaura1 Recording on Tracks No 3 2 16 10 Monaura1 Playback 17 Il Tape Erasing 17 12 fast Forward and R ewind 18 13 Monitoring 18 14 Tape Splicing and Editing 18 15 Cleaning H ead 19 16...
Страница 3: ...more than 60 mV 15 W maximum per each channel at undistorted power total 30 W 20 W maximum per each channel at music power total 40 vV Correct equalization for playback of tapes recorded to the NARTB curve VU meter x 2 4 track stereo inonaural CROSS FIELD bias system 90 seconds using 1 200 feet tape at 50 cycles 75 seconds at 60 cycles 8 hours monaural recording at 1 7 8 ips 1 200 feet tape 4 hour...
Страница 4: ...AKAI M 9 M 9DX 2 CONTROLS ...
Страница 5: ...r Left VU Meter Right Stereo Headphone J ack A Stereo Headphone Jack lB Recording Mode Switch Function Switch Bass Switch Power Switch Record Safety Button Automatic Stop Shut Ofl Switch AKAI M 9 M 9DX Record Playback K nob Fast Forward Rewind Knob Start Button Instant Stop Lever Automatic Shut Off Lever Pinch Wheel Capstan Capstan Shaft l T ake up Reel Shaft Speed Cha nge Switch Speaker R eflecto...
Страница 6: ...own that the purpose of bias current is recording at high sensitivity with a signal applied on the tape with no distor tion and minimizing noise generation However the bias current providing such an advantage also has an undesirable character That is the wide magnetic field of the bias current affects the recordee signal resulting in weakening or even erasing the signal This phenomenon is particul...
Страница 7: ...the second half on Tracks No 2 and 4 after the tape reels have been turned over B Recording Playback for 4 Track Monaural Recording Playback of monaural should be performed m the sequence of 1 4 3 2 tracks Monaural recording playback on tracks No 1 4 Set the TRACK SELECTOR KNOB to 1 4 for recording on track No 1 first and then on track No 4 after the tape reels have been turned over 2 Monaural rec...
Страница 8: ...fdce D Ben t take up reei 3 If vour machine will not record check the following for correct position A Recorci Playback knob B Input plugs Note 1 Before operating your machine be Sclt e to clean the surface of the head 2 Unused tape may become soft and sticky It is advisable to run the tape once from the supply reel to the take up reel before threading it fJr recording THE FOLLOWI G NOTES ARE PROV...
Страница 9: ...s 220 volts A C reset the switch to 220 mark 3 Change fuse according tu voltage Fuse IOOV l20V 21 200V 240V 1A CAUTION Disconnect the power plug from the AC outlet before readjust ing power voltage To maintain optimum performance and to prolong the ife of your machine it is important that the line voltage be held within 10 percent deviations from the standard voltage POWER CYCLE CHANGE Correct tap...
Страница 10: ...0 12 1 6 3 24oü 1 6 8_1_ 4_ 1 7 8 ips This tape speed is obtained by setting the SPEED CHA GE SWITCH in SLOW position The capstan is not used but is left on the storage post 3 3 4 ips This tape speed is obtained by setting the SPEED CHANGE SWITCH also in SLOW position The capstan is mounted on the capstan shaft and is locked automatically in posi tion by the notches 7 l 2ips This tape speed is obt...
Страница 11: ... DIN JACK is providecl on the left side of the M 9 M 9DX for interconnecting the recorder with an external stereo amplifier that has the same connection jack This system will permit easy recording and playback of stereophonie programs through an external stereo amplifier as the complexity of connecting or disconnecting more than 4 separate plugs from the recorcler s panel side is not needed If you...
Страница 12: ...ilicon oil to eliminate noise When wishing to dean the tape CLEANER BUTTON should be depressed When not needed the TAPE CLEANER should be turned clockwise and locked When the felt pad is contaminated and it does not work weil for cleaning of the tape loosen the upper screw and turn the felt pad to the unused side When bath surfaces of the pad are contaminated the p2cl shoulcl be replacee with a ne...
Страница 13: ...MATIC SHCT OFF LEVER If not pass the tape directly onto the take up reel 2 STEREO PLAYBACK Connect the recorder to AC power source using the attached AC CORD A Set the POWER SWITCH to POWER Il Set the TRACK SELECTOR KNOB w ST C Select the tape speed D Set the EQUALIZER Kl 013 to 7 1 2 3 3 4 or 1 71 8 whichever is consistent with tape speed E Set the FUNCTION S VITCH to STEREO F Set the RECORDING M...
Страница 14: ...ions of both deck and 2 mplifier are automatically eut off In these cases just when the AUTOMATIC SHUT Off LEVER drops clown PI ICH WHEEL releases from the CAPSTAN automatically in order to prevent deformation of its soft rubber surface This function is AUTOMATIC PINCH WHEEL RELEASE 4 INSTANT STOP CONTROL To stop the tape momentarily on recording or playback push tbe INSTANT STOP LEVER 1 1 as show...
Страница 15: ... the recording tape on the re order and push the 1 STANT STOP LEVER upward until it locks Then turn the RECORD IPLAYBACK K JOB into REC posi tion hile depressing the RECORD SAFETY BUTTON Microphone volume leve may be adjusted and balanced by the RECORD 1 JG LEVEL CONTROL KNOBS and J Normal recording should not exceed the black zone on VU METERS and After a n optimum recording leve is deterrnined p...
Страница 16: ... and 7 RECORDING FROM STEREO DISCS To record from a stereo dise a crystal pickup or ceramic pickup can be connectee direct to the UNE INPUT JACKS and Magnetic car tridge output should be connectee to a separate preamplifier and then to the UNE INPUT JACKS and 8 MONAURAL RECORDING ON TRACKS NO 1 4 Set the POWER SWITCH to POWER Set the TRACK SELECTOR KNOB to 1 4 Select the tape speed as desiree Set ...
Страница 17: ...ined push the START BUTTON to start recording on track No 1 At the end of recording on track No 1 reverse both tape reels for the next recording on track No 4 9 MONAURAL RECORDING ON TRACKS NO 3 2 Set the TRACK SELECTOR KNOB to 3 2 For the rest of operation just follow the instructions given for tracks No 1 4 recording Recording is made first on track No 3 then on track No 2 with both reels revers...
Страница 18: ...to PLAY Adjust volume by the VOLUME CONTROL KNOB LEFT and tone by the TREBLE CONTROL KNOB LEFT and the BASS SWITCH After completing monaural playback on track No l and No 4 set the TRACK SELECTOR KNOB to 3 2 for starting now with track No 3 then track No 2 11 TAPE ERASING Any signal information previously recorded on a tape will be erased auto matically as a new recording is made on the same tape ...
Страница 19: ...record setting the RECORDING MODE SWITCH to NORM you can monitor from the interna or external speakers too 14 TAPE SPLICING AND EDITING J uperimpose the tapes and eut them diagonally as illustrated This diagonal cutting eliminates the click or pop sound of the splice Register the eut ends and apply a splicing tape on the glossy side of the record tape Press the splice tape with fingers firmly to s...
Страница 20: ... recorder to keep the heads neat and dean at al times Dust and magnetic particles from the tape tend to deposit on the heads after prolonged use of the tape recorder This wou d result in poor head ta tape contact deteriorating the sound quality and sensitivity Such dust would cause a significant drop in recording playback and erase quality levels EXAMPLE ...
Страница 21: ...X Make it a rule to dean the heads every time you use your tape recorder AKAI s Head Cleaning Kit Accessory No HC 500 is recommended for removing the foreign matters deposited on the heads If this kit is not available use alcohol ...
Страница 22: ...ols are used in the vicinity of the heads will result in noise or considerable distortion in addition to the Joss of high frequency response Although the M 9 M 9DX already has a buit in Head Demagnetizing circuit it is recommended that head demagnetization be performed periodically After removing the head cover head demagnetization can be accomplished by touch ing the head Iightly with the demagne...
Страница 23: ...ow the rest of the monaural 1 4 track recording Track Selector Left Vl 4 Soprano Microphone l T777770 7777777777 2j Soprano Left Amp 3 1 1 4 12 After recording rewind the recorded portion turn the TRACK SELECTOR KNOB to position 3 2 and set the RECORDING MODE SWITCH to SND ON SND And set the FUNCTION SWITCH to STEREO In this case connect the stereo headphone to the STEREO HEADPHONE JACK or Finishi...
Страница 24: ...d by the track selector such recording of sound on sound can be made repeatedly thus one can enjoy recording of even quartet or sextet singing 19 TRANSISTOR PROTECTION The S E P P O T L system is used to protect the output circuitry of the M 9 M 9DX main amplifiers The output impedance should be 8 ohms If a speaker of Jess than 8 ohms impedance is used or if the speaker terminais are accidentally ...
Страница 25: ...ES OPTIONAL ACCESSORIES AKAI M 9 M 9DX Condenser Microphones Telephone Pick up No CM 15 Dynamic Microphones Tape Eraser 1 o DM 13 No ATE 7 Tape Splicer No AS 3 Head Demagnetizer Head Cleaning Kit No AH 6 No HC 500 ...
Страница 26: ... 400 feet AT 5L 900 feet AT 7L 1 800feet AT IOL 3 600feet AKAI Tape Reel ATR 5 for 5 ATR 7 for 7 Akai Connecting Cords D 100 DR 110 DM 120 RM 130 2 ACCESSORIES STANDARD 7 Demonstration Tape Spare Fuse for main Amp 2 7 Empty Reel Silicon Oil 1 15 ips Adaptm Kit Felt Pad 2 Spare Fuse for Voltage Operator s Manual 1 13168453 ...
Страница 27: ... DM 120 RM 130 RR 160 Colour Code Tape Recorder Amplifier YELLOW Pre Amp Output Aux or Tape Play Left Ch RED Line Input Tape Recording Left Ch BLACK Pre Amp Output Aux or Tape Play Right Ch WHITE Line Input Tape Recording Right Ch ...
Страница 28: ...INPUT _ _lli___ TR202 TRZ03 TR204 1 _j LI NE OUTPUT TR301 TR 302 TR3o 3 304 9 l_ 5o3 __ TR lOI 102 TR201 1342058 3 TR 202 TR203 20 t20V 2SC458CBl 2 25C367 TR 301 2SC 372 2SC650 A 2SC649l Bl SC281l8l 4 TR401 402 2 TR30 2SC696fJliiX ...
Страница 29: ...Priee y 360 00 us o MANUFACTURED DISTRIBUTED BY AKAI ELECTRIC CO LTD AKAI TRADING CO LTD 12 2 chome Higashi Kojiya Ohta ku Tokyo Japan Printed in Japan ...
