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发表于 2025-1-10 14:41
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javaio008 发表于 2025-1-10 14:39
======子机DP-75带HXPro====
Otari DP-75 从属录音机专为高品质音乐录音的批量制作而设计。 DP-75 有两 ...
Specifications
Transport
No. of Recording Units 2
Pancake Diameter max. 14 inches
Tape Tape Width = 0.15 inches
Tape Speed = 120/150/240 ips
No. of Tracks 4 Tracks, 2-Chennel Record Head x 2 (Ferrite)
Tape Drive 2 Independent Systems
PLL Servo DC Direct Drive Capstan Motor
DC Take-up and Supply Reel Motors
Tape Cleaners
Speed Deviation Within ±0.15%
Wow & Flutter Less than 0.08% (DIN 45507 PEAK WTD)
Electronics
Bias Frequency 8 MHz
Record Equalizer 4 Positions
a. 64x
b. 80x
c. 128x
d. Custom Speed (not set)
Bias 4 Positions
a. 64x (ref. tape)
b. Custom (not set)
c. Custom (not set)
d. Custom (not set)
Record Amplifier 4 Channels - 2 Systems
4-Position EQ:
EQ1: 64x - adjusted
EQ2: 80x - adjusted
EQ3: 128x - adjusted
4-Position Bias:
BIAS 1: 64x - adjusted (for ref. tape)
Frequency Response 64x: 40 Hz to 18 kHz +2/-6dB, 100 Hz to 15 kHz ±2 dB
80x: 40 Hz to 18 kHz +2/-6 dB, 100 Hz to 15 kHz ±2 dB
128x: 40 Hz to 12 kHz +2/-6 dB, 100 Hz to 10 kHz ±2 dB
Signal-to-Noise Ratio Less than 4 dB (blank tape, DIN audio filter)
Less than 4.5 dB (with HX Pro)
Distortion Less than 3% (1 kHz, SRL IEC. With Fe2O3 tape)
Less than 0.6% (circuit only)
Crosstalk Better than 65 dB (1 kHz, CH2 to CH3, IEC SPL)
Better than 30 dB (1 kHz, CH1 to CH2)
Miscellaneous
Power Supply Requirement 100, 110, 117, 220, 240 VAC ±5%, 50, 60 Hz
Power Consumption 480 VA (peak 760 VA)
Weight approx. 180 kg
Dimensions (W x D x H) 902 x 587.5 x 1512 mm
Option PB-84HA: Hour Meter PCB Assy
ZA-42Y-S: Dolby HX Pro (factory option)
ZA-76H: Table Assy
ZA-97P: Toneburst Generator (for Dolby HX Pro adjustment)
ZA-97S: Master A/B Selection Assy
ZA-97V: Monitor Amplifier Assy
ZA-97W: Mode Control Box (EQ Select Switch)
System Performance
Frequency Response
(excl. contour effect) 64x: 40 Hz to 18 kHz +1.5/-3 dB
80x: 40 Hz to 15 kHz +1.5/-3 dB
128x: 40 Hz to 10 kHz +1.5, -3 dB
Signal-to-Noise Ratio Less than 4 dB (blank tape, DIN audio filter)
Less than 4.5 dB (with HX Pro)
Distortion Less than 3% (1 kHz, SRL IEC. With Fe2O3 tape)
Less than 0.6% (circuit only)
Wow & Flutter Less than 0.08% (DIN 45507 PEAK WTD)
Crosstalk Better than 65 dB (1 kHz, CH2 to CH3, IEC SPL)
Better than 30 dB (1 kHz, CH1 to CH2)
Speed Deviation Within ±0.15%
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