Marantz PMD351, Руководство по обслуживанию

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1. TECHNICAL SPECIFICATIONS
TAPE DECK
Track System ............................................4 Track, 2 Channel
Recording/Erasure System.......................... AC 105 kHz Bias
Head System (Rotary type combination)
Rec Play Head ........................................ Hard Metal Alloy
Erase Head .............................................Dual Gap Ferrite
Motor System
Capstan ................................. DC Servo Controlled Motor
Reel ................................................................... DC Motor
Wow & Flutter
W RMS.................................................................... 0.14%
Frequency Characterstics
Frequency Response (no Dolby NR)
type I (Normal) ..................................... 30Hz - 15kHz ±3dB
type II (High) ........................................ 30Hz - 16kHz ±3dB
type IV (Metal) ..................................... 30Hz - 16kHz ±3dB
Overall S/N (no Dolby NR, IEC-A WTD)
type I (Normal) ..........................................................53dB
type II (High) .............................................................54dB
type IV (Metal) ..........................................................55dB
Dolby NR effect (B/C, S/N improvement, CCIR-ARM WTD)
............................................................... B 9dB, C 18dB
Output Level/Output Impedance.......................... 500mV/1k
Ω
Input Sensitivity/Input Impedance
TAPE IN ....................................................... 100mV/47k
Ω
MIC IN........................................................... 0.5mV/10k
Ω
CD
Channels .............................................................................. 2
Sampling frequency.................................................. 44.1 kHz
Quantization ........................................... 16-bit linear/channel
Error correction system ..................... Cross-interleave Reed-
Solomon code (CIRC)
D/A Conversion ........................................ 1-bit linear/channel
Wow & Flutter ................................... Quartz crystal accuracy
Optical Readout System
Laser .............................................AlGaAs semiconductor
Wavelength ........................................................... 780 nm
Frequency Characterstics (Pitch control off)
Frequency Response........................ 20Hz - 20kHz ±0.3dB
Dynamic range.........................................................90 dB
Signal-to-noise ratio .................................................96 dB
Channel separation..................................................90 dB
Total harmonic distortion .......................... 0.005% (1 kHz)
Analog output
Output Level............................................ 2V RMS stereo
Output Impedance.............................................................. <1k
Ω
Digital output
Coaxial output ............................................. 0.5Vp-p/75
Ω
COMMON PART
Power Supply
/U ...............................................................120V AC 60Hz
/N ...............................................................230V AC 50Hz
Dimensions
Width.................................................. 19 inches (483mm)
Height .......................................... 5 3/16 inches (133mm)
Depth ......................................... 11 1/32 inches (280mm)
Net Weight .......................................................3.1 lbs. (6.8kg)