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Summary of Contents for A-2340

Page 1: ...INSTRUCTION MANUAL A 2340 i oFA eg ee STEREO TAPE DECKS...

Page 2: ...ietahale Py ath 7 Threading the TAP cons sessecveneressccsarervevens 10 PiSYOCCK ODE ATION ards siadadice ean Gand Beene Ba wt ees 12 General recording information cccceesscees 14 RECOVOING OPEVETION...

Page 3: ...hose on your amplifier Throughout the manual you will see repeated references to front and rear amplifiers These terms do not refer to location of the amplifiers but to the normal placement of the fou...

Page 4: ...affords adequate venti lation in the placement of your tape deck This is especially true if you choose to operate your tape deck in a horizontal position in which it will get notice ably warmer so av...

Page 5: ...all connecting cables Take off tape deck rear cover by removing the screws holding it 3 The belt linking the motor pulley and flywheel must be repositioned The motor pulley on the unit has two steps a...

Page 6: ...FP Ww MP R right L left Before making connections Set the POWER switch button to OFF 2 Make sure the power line voltage and frequency to be used matches those on the card attached to the deck If they...

Page 7: ...CONNECTIONS TO AND FROM THE 2340 3340...

Page 8: ......

Page 9: ...on selector switches These switches make possible the SIMUL SYNC function By changing the head function for each track from record to monitor ful 4 track synchronization is possible Placing the head f...

Page 10: ...monitor either the source signal before it is recorded or the signal from the tape after it is recorded In addition they select the signal tape or source to be displayed on the VU meters and to be pre...

Page 11: ...ons Tape mode lever With the tape mode lever below these buttons at PLAY and the depressed the tape will be transported from left to right With the tape mode lever at FAST depressing either the or Pbu...

Page 12: ...l shaft up Ref 1 Then gently rotate the reel CCW while sliding the reel fully onto the turntable When the outer 3 index tabs Ref 2 are fully visible above the reel you may proceed to step 4 4 Carefull...

Page 13: ...cure as outlined above If standard center 10 1 2 reels meta are used place a TEAC reel adjusting disc on each turntable before mounting the metal reels This will compensate for the slight difference i...

Page 14: ...switches in TAPE position Move tape mode lever to PLAY position Depress the p button When playback begins reset index counter to zero Advance the OUTPUT controls until all 4 VU meters are indicating...

Page 15: ...left and right turntables and playback the remaining 2 tracks Co ss MH O PLAYBACK OF 4 TRACK MONOPHONIC TAPES In this mode only one of the Front audio channels will be operated at a time Normal playba...

Page 16: ...forward mode tracks 1 and 3 is different from the program material in the reverse mode tracks 4 and 2 Hence 4 track stereo is 2 channel stereo in both the forward and reverse mode Q 2 1 3 aT Ree ee c...

Page 17: ...GHT LEFT REAR RIGHT REAR TRACK 1 FWD TRACK 3 FWD TRACK 2 TRACK4 TRACK 4 REV TRACK 2 REV GENERAL TRACK INFORMATION Sound recordings are made in a strip on the magnetic surface of a recording tape This...

Page 18: ...changed between left and right and the next track is recorded The order in which the tracks are recorded is 1 4 3 and lastly 2 Note With tape threaded on the machine the tracks are numbered 1 through...

Page 19: ...of the audience 4 channel playback provides a concert hall realism and presence not available from conventional 2 channel stereo systems 4 track 4 channel tapes must be played on a player incorporati...

Page 20: ...suddenly increase in distortion and recording sensitivity of the high notes will slightly decrease when the recording level exceeds a certain point For this reason a standard level of 0 dB is establis...

Page 21: ...lost and sound will be unnatural Use of the HIGH position when recording high performance tapes will provide all the benefits of the low noise recording concept wide dynamic range large output signal...

Page 22: ...o the corresponding LINE IN jacks on the 2340 3340 Place the MONITOR switch to SOURCE and note that the record ing level may be adjusted by the controls marked LINE Note also that the input signal wil...

Page 23: ...THE RECORDED SOUND IS BEST AC COMPLISHED BY USE OF HEADPHONES WHILE IT IS POSSIBLE TO MONITOR THROUGH SPEAKERS POWERED BY THE FRONT AN REAR AMPLIFIERS CLOSE PROXIMITY TO THE MICROPHONES WILL RESULT IN...

Page 24: ...F PHONE SWITCH SHOULD BE IN FRONT POSITION PLAY SWITCH SHOULD BE IN 2 CHAN POSITION ONLY THE L 1 R 3 MIC LINE JACKS ARE USED UPPER VU METERS WILL ILLUMINATE AND INDICATE LOWER METERS ARE NOT USED WHEN...

Page 25: ...ch is placed in the SIMUL SYNC position thereby eliminating the time delay which occurs during normal tape monitoring on conventional machines This feature permits maximum flexibility in the productio...

Page 26: ...back volume with the power amplifier volume control Rewind the tape to the starting position and make a recording on track 3 while monitoring the recorded material from track 1 CAUTION Use only the R3...

Page 27: ...the VU meter indications centered at or around the 0 VU point on the VU meter scale You now have discrete synchronized program material on all four tracks obviously therefore they may be played back s...

Page 28: ...cleaning the panel and cabinet case DEMAGNETIZATION To maintain the best performance of your equipment and to prevent gradual deterio ization of your pre recorded tapes demagnetize the tape heads at...

Page 29: ...rward mode only In the event that the entire tape is to be erased a bulk eraser is the most efficient means MAKING SPLICES 1 Overlap the two ends of the tape and cut them approximately at a 60 degree...

Page 30: ...ohms Input sensitivity 1 mW Maximum power 500 mW Frequency response 18 20 000 Hz AX 10 Sound on Sound and Stereo Echo Unit E 1 Head Demagnetizer E 2 Bulk Eraser RE 701 7 Plastic Reel Large Hub RE 702...

Page 31: ...18 000 Hz at 7 1 2 ips 30 16 000 Hz 3 dB 40 10 000 Hz at 3 3 4 ips 55 dB 1 at 1 000 Hz normal operating level 60 dB at 1 000 Hz 50 dB at 1 000 Hz 90 seconds for 1 200 feet Microphone 0 25 mV 72 dB 600...

Page 32: ...NOTES 01 02 04 08 FR2 06 03 FR2 10 Hp o fe 0 141200 Le RECMMODE SW BIAS BOARD A t REC MODE SW cw Cao Rivi5K 3 34 4 77160V TEAC A 3340 TAPE TRANSPORT SECTION SCHEMATIC DIAGRAM W047 T...

Page 33: ...m ope sat mob oe Croan sz ow APL ESE mh ASLIOST aw a ons 3 NOL LIONS 4 ima 185 Wd FOR 911479 aS 0H 2 GHWT Wis APSA FUT VS 25915 Bree UY pone RpH it 7 nee ae cae 6 ELE tOTD g Pe try 33x NBEO worry oO e...

Page 34: ...Es 2 pee pt _ a ees ee Pee a rod 4 me Da G DH COE ome wile Paty ii i o RD CD CEE on CRERRENEETETe omCOTECrETEE 2 TEAC A 2340 A 3340 SCHEMATIC DIAGRAM HEAD ASSEMBLY SECTION...

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