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Tape Transport
Tape Width 1/4" (6.3 mm)
Reel Size NAB, EIA (cine), 5" to 10.5"
Tape Speed 30 ips (76 cm/s, 15 ips (38 cm/s), 7.5 ips (19 cm/s)
Track Configuration BTR-10J-2S = Half track stereo record & reproduce
BTR-10J-FS = Full track monaural record & reproduce
Record Head BTR-10J-2S = hard permalloy (trk width 2.75 mm)
BTR-10J-FS = hard permalloy (full-track)
Reproduce Head BTR-10J-2S = hard permalloy (trk width 2.1 mm)
BTR-10J-FS = hard permalloy (full-track)
Erase Head BTR-10J-2S = ferrite, stagger full-track type
BTR-10J-FS = ferrite, full-track
Motors Capstan = Quartz PLL servo brushless DC motor, direct drive
Reel = Brush type DC motor
Wow & Flutter
(DIN 45507, PEAK WTD) 15 ips = max. ±0.06%
7.5 ips = max. ±0.08%
Tape Speed Deviation max. ±0.06% (from start to end of reel)
Tape Speed Accuracy Within ±0.03%
Start Time 15 ips = max. 0.3 s
7.5 ips = max. 0.3 s
Stop Time (play to stop) max. 0.5 s
Fast Wind Time max. 100 s (2500 ft tape, incl. slowdown time)
Tape Timer Accuracy max. 2 s (play, 30 min.)
Electronics
Line Input & Output Mode: Transformerless active balanced (floating transformer: option)
Connectors: XLB-3-31 (input) and XLB-3-32 (output)
Connector pin assignment: 1 = GND, 2 = hot, 3 = cold
Input impedance: 600 Ω or 10 kΩ (switchable)
Output impedance: max. 50 Ω (20 Hz to 20 kHz)
Load impedance: min. 200 Ω (typ. 600 Ω)
Input/output level for 0 VU indication: +4 dBu or -20 dBu (switchable)
Volume control gain margin: 10 dB
Maximum input level: +26 dBu
Maximum output level: +22 dBu
Equalization NAB-J or NAB switchable
Time constants (ms):
- 15 ips = 3180 + 35, 3180 + 50 (NAB-J, NAB)
- 7.5 ips = 3180 + 50, 3180 + 50 (NAB-J, NAB)
Bias Frequency 250 kHz
Reference Flux Level 250 nWb/m for 0 VU (200 or 320 nWb/m selectable)
Frequency Response (Rec/Rep) 38 cm/s = 20 Hz to 20 kHz ±2 dB
19 cm/s = 20 Hz to 18 kHz ±2 dB
Signal-to-Noise Ratio 15 ips = 59 dB (NAB-J), 57 dB (NAB)
7.5 ips = 59 dB (NAB-J), 59 dB (NAB)
(@250 nWb/m, UNWTD, with 30 Hz to 18 kHz BPF)
Distortion max. 0.5% (@250 nWb/m, 1 kHz, Rec/Play, 15 ips)
Depth of Erasure min. 75 dB (@1040 nWb/m, 1 kHz)
Crosstalk min. 55 dB (1 kHz)
Physical
Power Requirements 100, 117, 200, 220, 240 VAC ±10%, single phase 50/60 Hz
Power Consumption 150 W
Operating Environment Temperature = 5 to 40°C, Relative Humidity = 20 to 80%
Dimensions (W x D x H, mm) 634 x 730 to 759 x 1015 to 1040
Weight approx. 90 kg
Standard Accessories 10" reel clamper
Power cord
Lamps for button switch
Operation and maintenance manual
Lubrication oil
Connectors
Specifications for 4x Duplication *
Tape Speed 30 ips (76 cm/s) (original tape speed: 7.5 ips)
Tape Speed Deviation max. 0.1% (from start to end of reel)
Tape speed accuracy = ±0.1% (after duplication @7.5 ips)
Wow & Flutter max. ±0.1% (after duplication, @7.5 ips)
Equalization Time constant for low freq. = 795μs (equal to NAB-J eq of original tape speed)
Time constant for high freq. = 12.5μs
Frequency Response BTR-10J-2S = 20 Hz to 12 kHz ±2 dB (@7.5 ips, after duplication)
BTR-10J-FS = 20 Hz to 9 kHz ±2 dB (@7.5 ips, after duplication)
Signal-to-Noise Ratio min. 55 dB (@250 nWb/m, after duplication, 7.5 ips, UNWTD with BPF)
Start Time max. 0.4 s
* 4x Duplication: Using 30 ips tape speed, the BTR-10J can send/receive programs to/from a digital audio file (DAF) system at 4x normal play speed. Equalization for 30 ips is set for 4x duplication to get flat frequency response at the original tape speed (7.5 ips).
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