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OTARI MTR-90 series II Reel to Reel Tape Machine 24 Trk
| First, a note from SV….TAPE IS NOT DEAD!!! Tape will continue to be manufactured and available regardless of the recent scare. And dumping tape onto digital systems will still be the BEST sound for many more years. Viva la Analog! Now for the description… OTARI MTR-90 series II. This machine is in very good condition both cosmetically and functionally. Less than 1000 hours. The heads were relapped once (98% sure that it was only once). It was purchased new about 12 years ago for an artist and was only in use part time when the artist worked on his own material. The swing arms have also been replaced. The PSU was entirely replaced about 5 years ago. The old one was noisy. Comes with the standard CB-113 control/auto locator on rolling stand and the original manual. ALSO INCLUDED are the optional remote/locators CB-109 & CB-115 so you can have control from 2 separate positions. Right now, all three are mounted on the stand. Low Hours. Any questions can go directly to Gary@soundsandvisions.com Here are some specifications from Otari.com: Otari’s MTR-90 II has become the industry standard for user-friendly, reliable, great-sounding analog multitracks. MTR-90 Series II machines are found in studios, broadcast and film/ post facilities all around the world. This late-generation two-inch 24-track features full microprocessor-controlled transport functions and enhanced electronics. Smooth tape handling is ensured by the design’s lack of pinch rollers, which can degrade wow-and flutter performance. Symmetrical, constant tension "pushes" rather than pulls tape past the heads. MTR-90 II delivers fast response and highly accurate tape location. Up to 14-inch reel-capacity with automatic reel-size sensing enables one full hour of recording at 15 ips. (Standard speeds are 15 and 30 ips, with up to 20% varispeed. A simple modification allows operation at 7.5 ips.) A full-function Remote Session Controller features separate record-ready and monitor functions, varispeed control, master switching, cue and transport controls. Options include the EC-101 Chase Synchronizer, which provides slave operation against external SMPTE/EBU timecode. SYSTEM HIGHLIGHTS: "Industry Workhorse," with proven track record in hundreds of facilities worldwide Pinchroller-free tape transport for fast yet gentle handling of valuable multitrack masters Two-inch cast-alloy deck plate for maximum ruggedness and stability Single-card/single-channel plug in audio electronics for enhanced reliability Up to 20% Internal Varispeed, and +50/ -100% External capstan speed control Three-trimmer/three-position bias selection for fast tape changes. Gapless, seamless punch in/out for tight insertion recording/overdubs Transformerless balanced inputs and outputs for transparent audio recordings Optional 10- or 99-memory Autolocators, with timecode synchronization Optional internal timecode chase-lock synchronizer module M T R - 9 0 I I S P E C I F I C A T I O N S : TRANSPORT Tape Width and Tracks(25.37 mm) 1”, 8 tracks (50.8 mm) 2”, 16 tracks <2”, 24 tracks HeadsPlug-in head blocks with easy access for indepenent head azimuth adjustment Motors9600 Hz PLL capstan motor, microprocessor controlled, 2 servo 1/2 HP DC reel motors Reel SizeUp to 14” NAB (35.6 cm) with reel size auto sensing Tape Speeds30 ips (76.2 cm/sec)/15 ips (381.1 cm/sec) (high version) 15 ips (38.1 cm/sec)/7.5 ips (19.05 cm/sec) (low version) manufactured to order Speed DeviationMax. +-0.05% from beginning to end of reel Wow and Flutter30 ips max. +-0.04%; 15 ips max. +-0.05%; 7.5 ips max. +-0.08% (Peak weighted per DIN 45507) Start/Stop TimeMax. 600 ms at 15 ips (to play speed from stop) Max. 600 ms at 15 ips (from play speed to stop) Fast Forward/Rewind TimeMin. 85 seconds for 2,400 feet (760 m) Head Shield PlateMotor driven (automatic or manual operation) Drive SystemPinchrollerless direct drive capstan system with +20% control. Constant tension servo-controlled reel motors Pitch Control+20% continuous variable control, percentage readout with 0.01% precision ELECTRICAL PowerAC 100/117/220/240 V +10% single phase 50/60 Hz ELECTRONICS Line InputActive balanced transformerless (optional transformers) 10k Ohm bridging +4 dBu nominal input level Line OutputActive balanced direct coupled (optional transformers) 10 Ohm source impedance +28 dBu maximum output level into 600 Ohm or greater (Min. Load 150 Ohms) Equalization30 ips AES; 15 and 7.5 ips NAB or IEC switchable Operating Level250 nWb/m, all measurements made with AMPEX 456 tape at operating level except where specified Overall Frequency ResponseRecord/Reproduce +2.0, -3 dB at 250 nWb/m30 ips: 50 Hz-22 kHz (0 vu) 15 ips: 30 Hz-20 kHz (0 vu) 7.5 ips: 30 Hz-16 kHz (-10 vu) Signal to Noise Ratio1040 nWb/m 3% 3rd Harmonic24 track 30 ips, AES: min. 72 dB Distortion to Noise Floor15 ips, AES: min. 69 dB (unweighted)15 ips, IEC: min. 71 dB . 8/16 track 30 ips, AES: min. 70 dB 15 ips, NAB: min. 67 dB 15 ips, IEC: min. 69 dB Distortion Max0.5% third harmonic at 1 kHz at 250 nWb/m Crosstalk24 track at 1 kHz: ;min. 55 dB 8/16 track at 1 kHz: min. 57 dB 8/16/24 track from 220 Hz to 16 kHz: min. 43 dB Erase Effect Min.75 dB Bias Frequency257 kHz bias, 86 kHz erase Punch-in/Punch-out80 msec to stabilization; gapless and noiseless inserts with automatic monitor switching (30 ips) PHYSICAL DIMENSIONS WeightApprox. 440 lbs. (200 kg) Size43" x 30½" x 30" |
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