Tascam 112rmkii Technical Documentation Manual

							Technical Documentation
112RmkII
The 112RmkII is the perfect deck for people needing aextended recording and playback from a reversible cassette deck, yet they still need professional reliabilit yand performance characteristics.  The 112RmkII offerstrue three head performance during the recording process, allowing the user to monitor from tape.  Theparallel I/O controls offer the facilities for controllingthe deck from other control surfaces, getting tallyresponses back from the deck, or connecting theoptional RC -112R.  When y ou need the best rev ersiblecassette deck around, get T ASCAMs 112RmkII.
                                       7733 T elegraph R oad    •   Montebello , CA 90640    •   (323) 726-0303    •   http://www .tascam.comAll features and specifications are subject to change without notice.  C\
ontact y our local TASCAM representativ e for the latest information.
The 112RmkII is the most adv anced bidirectional cassette deck on themarket.  The 112RmkII w as built with the same attention to detail andfocus on quality as the venerable 122mkIII, a commitment that is alw aysappreciated not only when the unit is first installed, but ev en after logging years of steady use.
Broadcast Facilities - Live Theaters
Thebreeze.  Whether its calling in a sound cue, recording longer progr ammaterial, or just bringing in background music or music beds, the 112RmkII is the machine of choice.  Since this cassette deck also emplo ysseparate record and reproduce heads, the 112RmkII is also an ex cellentmastering recorder, allowing the user to monitor from tape.
Home Studios - Project Studios
Referenceeasier to work with than CD-R, and more ubiquitous than DA T or MiniDisc.  The 112RmkIIs separate record and reproduce heads mean y ou instantly know what your mixdown sounds lik e on tape.  No more w aiting for the playback afterw ards to know if y ouve overloaded the tape or not.
Thelooping mak e auditioning songs or selected parts of songs a breez e.  Add the optional remote or balancing kit when needed, and y ouve got the best rev ersible cassette deck a vailable on the mark et.
Contracting Installations
Whether you need tinexpensiv e logging system, the 112RmkII is an ex cellent choice.  The 112RmkII offers a cascade play/record control through the par allel control for linking multiple 112RmkIIs in hands free sequential oper ation.
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Performance Specifications:Track S ystem:Heads:
Type of T ape:Tape Speed:Pitch Control:Motors:
Frequency R esponse:
Total Harmonic Distortion:Signal to Noise R atio:
Wow and Flutter:
Bias/Er ase Frequency:Input RCA & 1/4:Line Output RCA:Headphone Output:
General Specifications:Power R equirements:
Power Consumption:Dimensions:
W eight:Optional Accessories:
112RmkII_TECHDOC.pdf041900
4 tr ack, 2 channel stereo(2) Er ase, rotary mechanism with (1) Record, (1) R eproduceCassette C-60, C-901 7/8 ips, 4.76 cm/secApprox ±12%1 DC serv o capstan motor1 DC reel motor1 DC ancillary motor25Hz-19kHz  ±3dB Metal25Hz -18kHz  ±3dB CrO225Hz -17kHz  ±3dB Normal80dB Dolb y C, 1kHz, 3% THD wtd>70dB Dolby B, 5kHz, 3% THD wtd>60dB Dolb y off
						

							112RmkII Technical Documentation
                                       7733 Telegraph R oad    •   Montebello , CA 90640    •   (323) 726-0303    •   http://www .tascam.comAll features and specifications are subject to change without notice.  C\
ontact y our local TASCAM representativ e for the latest information.Page 2 of 3112RmkII_TECHDOC.pdf041900
ARCHITECTS SPECIFICATIONS
The cassette pla yer/recorder shall utiliz e a reversibletransport mechanism.  Separ ate record and reproduceheads shall be used allowing monitoring off tape.
Inputs connectors on the rear panel.  The option of balancedXLR connectors shall be pro vided by the optional LA -112balancing kit.  An additional pair of 1/4 inputs shall be located on the front panel.  Lev els shall be displayed onlarge VU meters with peak LEDs for accur ate display of levels.  The input lev el shall be controlled b y separate left and right controls on the front panel.  Stereo output level shall also be pro vided on the front panel for convenience.  Headphone output with lev el control shall be provided on the front panel.
Monitor panel for selection between input monitor mode and automatic monitor mode.  Dolb y™  B and C noise reduction shall be implemented and switched from the front panel.  An MPX filter shall be switchable from the front panel.
A pitchof pitch control, with a dedicated on/off control. 
The the R TZ function (R eturn to Zero) and two locate points.  An additional separ ate button shall trigger the repeat function which will loop between locate 1 and locate 2.  
A location.
Forcassette deck shall offer sequential triggers through thepar allel control allowing hands free continuous oper ation.
A parallelremote control and tallies, and it shall be compatible withthe TASCAM RC -112R remote control.
The form, taking three r ack spaces.  The cassette mechanismshall have dimensions of 19 x 5 1/4 x 14 (W x H x D). Metric measurements : 482 x 132 x 356mm (W x H x D).
The 
NOTE:Sound Contractor CD-ROM.  Contact TASCAM for details.
OPTIONAL REMOTE (RC-112R)PARALLEL I/O
Pin12345678910111213141516171819202122232425
SignalPLA Y InFFWD InREW InPA USE InST OP InREC InCA SCADE ST ART In   NO T USEDTAPE DIRECTION T allyEND OF TAPE TallyFF TallyREW T allyPA USE T allySTOP T allyREC T ally   NOT USEDREVERSE PLA Y InREVERSE PLAY TallyREEL PULSE   NO T USEDRTZ InFADER ST ART In   NO T USEDGROUND+5V (Max 50mA)
Control I/O Legend
161820151719212422142325
13572468911131012
Parallel Control Notes:
All command the chart at left.  The commands are activ e when brought to ground for more than 50 milliseconds or longer.
FADER ST ARTfunction.  Pla yback begins when the pin is brought to ground for more than 50 msec, and stops when the ground is released for more than 50 msec.
Tally outputs tr ansport function when the pin is broughtto ground. 
						

							112RmkII Technical Documentation
                                       7733 Telegraph R oad    •   Montebello , CA 90640    •   (323) 726-0303    •   http://www .tascam.comAll features and specifications are subject to change without notice.  C\
ontact y our local TASCAM representativ e for the latest information.Page 3 of 3112RmkII_TECHDOC.pdf041900
FRONT AND BACK PANEL
112RmkII rear panel shown with optional LA-112 balancing kit.