From www.ReeltoReel.nl Wiki
| Specifications
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Tape Transport
| Track Configuration
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1/4" (6.3 mm) Width Tape, 2-track 2-channel, NAB or DIN Stereo
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| Nom. Tape Speed
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38.1 & 19.05 cm/s (15 & 7.5 ips) switchableChangeable to 19.05 & 9.5 cm/s (7.5 & 3.75 ips)
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| Speed Accuracy
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Within ±0.2%
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| Speed Deviation
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Less than 0.2%
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| Pitch Control
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±20% continuously variable control.Percentage or ips readout with 0.01% precision multiturn encoder servo system.
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| Fast Wind Time
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60 Hz = 100 s, 50 Hz = 110 s (2,500 ft tape)
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| Reel Size
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NAB 10.5", 7", 5", EIA (cine), DIN ReelTape Max. Length = 3,280 ft (tape thickness 50 μm)
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| Motor
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Capstan = DC Brushless Motor, Quartz PLL Controlled Direct DriveReel = AC Induction Motor
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| Head
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Plug in head block with full access to independent head height, tilt and azimuth adjustment
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| Start Time(Time to reach within twice specified wow & flutter.)
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38.1 cm/s = Less than 0.5 s19.05 cm/s = Less than 0.3 s9.5 cm/s = Less than 0.2 s
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| Wow & Flutter(PEAK WTD, DIN45507, IEC Pub.386)
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38.1 cm/s = Less than ±0.06%19.05 cm/s = Less than ±0.08%9.5 cm/s = Less than ±0.12%
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| Tape Timer
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Seven segment LED readout from tachometer/logic measurement circuit; indicates tape time in Hours, Minutes and Seconds.
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| External Speed Control Range
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-50%, +100% at all speeds (4.8 to 19.2 kHz)
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| VEM Tape Speed
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+100% with VEM optional accessory and continuous lower speed change accompanying tone change
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Electronics (Measured with AMPEX #456 tape. 0 dBu = 0.775 V)
| Line Input
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3-pin XL Type Connector (female)Transformerless Active BalancedInput Impedance: 10 kΩRef. Input Level: +4 dBu (0 to +10 dBu), -16 dBu (-10 to -20 dBu)Max. Input Level: +30 dBu
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| Mic Input
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3-pin XL Type Connector (female)Transformerless Active BalancedInput Impedance: 10 kΩ (20 Hz to 20 kHz)Min. Input Level: -70 dBuMicrophone Impedance: 150 to 10 kΩWith Supply Channel (CH1/BOTH/CH2) Selection Switch
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| Line Output
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3-pin XL Type Connector (female)Transformerless Active Balanced (bal/unbal. switchable)Output Impedance: 5ΩRef. Output Level: +4 dBu (0 to +13 dBu), -16 dBu (-7 to -20 dBu)Load Impedance: min. 200ΩMax. Output Level: +26 dBu (bal. load), +21 dBu (unbal. load)
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| Bias and Erase Frequency
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150 kHz
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| Magnetic Flux Level
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MX-55N = 185/250/370 nWb/m (switchable)MX-55D = 250/320/510 nWb/m (switchable)
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| Frequency Response(Rec/Rep. 0 dB = 250 nWb/m)
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38.1 cm/s = 30 Hz to 20 kHz ±2 dB (0 dB)19.05 cm/s = 20 Hz to 18 kHz ±2 dB (-10 dB)9.5 cm/s = 20 Hz to 10 kHz ±2dB (-20 dB)
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| Frequency Response(Sel-Rep)
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38.1 cm/s = 30 Hz to 12 kHz ±3 dB19.05 cm/s = 20 Hz to 5 kHz ±3 dB9.5 cm/s = 20 Hz to 2.5 kHz ±3 dB
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| Distortion (38.1 cm/s, 1 kHz, 250 nWb/m)
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Less than 0.3%
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| Crosstalk
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MX-55N = min. 55 dBMX-55D = min. 50 dB
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| Depth of Erasure(38.1 cm/s, 1 kHz, 1040 nWb/m)
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MX-55N = min. 75 dBMX-55D = min. 70 dB
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| Rec/Rep Signal-to-Noise Ratio(30 Hz to 18 kHz BPF, UNWTD)
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MX-55N NAB 38.1 cm/s, 1040 nWb/m = 69 dB
MX-55N NAB 19.05 cm/s, 1040 nWb/m = 71 dB
MX-55N NAB 9.5 cm/s, 740 nWb/m = 64 dB
MX-55N IEC 38.1 cm/s, 1040 nWb/m = 71 dB
MX-55N IEC 19.05 cm/s, 1040 nWb/m = 68 dB
MX-55N IEC 9.5 cm/s, 740 nWb/m = 64 dB
MX-55D IEC 38.1 cm/s, 1040 nWb/m = 72 dB
MX-55D IEC 19.05 cm/s, 1040 nWb/m = 69 dB
MX-55D IEC 9.5 cm/s, 740 nWb/m = 65 dB
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| Test Signal Oscillator Frequency
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100 Hz, 1 kHz, 10 kHz Sine Wave, switchable
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Miscellaneous
| Power Requirement
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100/110/117/200/220/240 VAC, ±10%, single phase 50/60 Hz
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| Power Consumption
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150 VA
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| Operating Environment
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Temperature: 5 to 45°C, Relative Humidity: 20 to 80%
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| Storage Environment
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Temperature: -20 to 45°C, Relative Humidity: 10 to 80%
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| Weight
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30 kg
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| Dimensions (W x D x H)
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440 x 222 x 488 mm
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| Standard Accessories
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NAB Reel Adapter10.5" Empty Reel (MX-55N only)DIN 12" Empty Reel (MX-55D only)Power CordFuse 1 A x 2Fuse 2 A x 4Fuse 5 A x 1Fuse 5 A (slow blow) x 1Lubrication Oil (PZ9E003)Case FootOperaiton Manual
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| Optional Accessories
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CB-127-S Remote ControllerZA-81G-S Stand (with Reel Spacer. Tilt Adjustable)ZA-81B-T Stand (without Reel Spacer)ZA-81D-S Reel Spacer (for ZA-81B-T)ZA-5CG Rack Mount BracketSB-12S ScissorsZA-5CU Fader Control KitPB-1AXAS VEM (Voice Edit Mode) PCBZA-5CW Proximity Switch KitZA-5CX Multi Purpose Phone Jack KitZA-5CL Input TransformerZA-5CM Output Transformer
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