Direct drive by quartz lock type ultra-low speed DC motor
Nominal speed:
33-1/3, 45, 78 rpm
Wow and flutter:
0.04% or less (WRMS)
Start-up time:
45° or less (0.3 sec. or less, 33-1/3 rpm)
Within 75° (0.4 sec. or less, at 45 rpm)
Within 120° (0.7 sec. or less, at 78 rpm)
[Platter]
Diameter:
339mm
Material:
Aluminum alloy
Center pin diameter:
7.126 ±0.01mm
Turntable vertical movement:
±0.15mm
Drift:
Unrecognizable
Rumble:
50dB or more
[Equalization amplifier]
S / N ratio:
55dB or more
L / R phase difference:
Within 5° at 50Hz to 10kHz
Crosstalk:
50dB or more
Balance:
±2dB (L / R, reverse interlock)
[Monitor amplifier]
Input impedance:
High impedance imbalance
Maximum output level:
+27 dBm
Tonearm:
Total length - 365mm
Offset angle - 18°
Tracking error - 1.8° (Max)
Overhang - 12.5mm
Arm rotation angle - 68°
Arm material - Light alloy pipe
All top surface treatment - Black anodized
Balance method - Static
Bearing system - Gimbal suspension system / Inside force canceller spring system
[Overall]
Frequency characteristics:
50Hz to 15kHz (RIAA standard)
S / N ratio:
50dB or more
Crosstalk:
20 dB or more (Including cartridge, 80Hz, 1kHz, 5kHz)
Rated output level:
-20 dBm / -14 dBm (Option + 6 dBm / 0 dBm)
Suitable for output impedance:
600Ω (Balanced)
Equalization characteristics:
RIAA and SP
Ambient temperature:
0℃ ～ 40℃
Power supply:
AC 100V, 50 / 60Hz
Power consumption:
Approx. 50VA
Weight:
About 80kg
Year:
Around 1979
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