TRIO KP-7700

Японский проигрыватель грампластинок TRIO (Kenwood) KP-7700. Год выпуска аппарата 1977. Стоимость на момент производства
составляла 80,000 йен. QUARTZ PLL DD TURNTABLE.
Спецификация:

KP-7700 (PM-700)
Drive system Direct Drive
Motor Type Quartz PLL servo 20 pole 30 slot DC motor
Starting torque 1.5kg · cm or more
Turntable 330mm/2.6kg aluminum alloy die-casting
Moment of inertia (Including rubber sheet) 550kg · cm 2
Number of revolutions 331/3, 45rpm
Wow and flutter 0.022% (WRMS) or less
SN ratio 62dB (JIS), 74dB (DIN-B)
Transient load characteristics (400Hz331 / 3,20 kg · cm load) 0.00030% or less
Transient load characteristics (1000Hz331 / 3,20 kg · cm load) 0.00015% or less
Start-up Characteristics 1.8 seconds
Rotation speed deviation ± 0.002% within
Time drift 0.0002% / h or less
Temperature drift 0.00002% / ℃ or less
Supply Voltage 0% (± 10V)
tone arm part(TA-71)
Model Static balance S-shaped pipe arm
Structure Elastic coupling mass separation method
Arm effective length 245mm
Overhang 15mm
Tracking error +1.8 ° ~ -1.0 °
Needle pressure variable range 0 ~ 3.0g (0.1g steps)
Applicable cartridge weight 4 ~ 14g (included shell is used)
Included shell 11g magnesium alloy die-cast
Height adjustment arm 6mm
overall characteristic
Power AC100V, 50/60Hz
Power consumption 10W
Dimension 490W × 160H × 423Dmm
Weight 17.5kg