ขายเครื่องเล่นแผ่นเสียง AUREX SR-630 เสียงดี สวยคลาสสิคร่วมสมัย Made in Japan
ขายเครื่องเล่นแผ่นเสียง AUREX SR-630 เสียงดี สวยคลาสสิคร่วมสมัย Made in Japan
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Aurex SR-630
¥69,800
explanation
A record player that uses a quartz lock servo system.
The quartz lock servo method compares the output of the FG (frequency generator) with the
phase of the reference oscillator and applies the servo, and by adopting a highly stable
crystal oscillator as the reference oscillator, the speed deviation is reduced to 0.003%
We have succeeded in suppressing it within.
At the same time as pressing the stop button, the power to the drive circuit is turned off and
the brake that stops the rotation of the turntable is activated.
It is a mechanical system that combines an electromagnetic plunger and a lever, and stops
at about 1/3 turn when it is 33 1/3 turns.
It has a sandwich structure with a steel board and an insulator sandwiched between
a wooden case.
The steel board increases the weight, and the special sandwich construction keeps the
lowest resonant frequency of the cabinet low enough to resist feedback.
In addition, since the steel board is a shielding material, it also works to prevent the leakage
flux from transformers and motors.
Regardless of the power frequency, a frequency illuminator is adopted that is proportional to
the number of revolutions.
The neon lamp built into the strobe illuminator is controlled by a crystal oscillator.
As a result, it always operates at an accurate frequency, eliminating anxiety factors such
as flickering of strobes using conventional power frequencies, and suppresses errors in setting
the rotation speed.
It is equipped with a statically balanced arm with an effective length of 237 mm.
It is a highly sensitive type with an anti-skating mechanism and lateral balancer, and the height
of the tonearm can be adjusted.
Model Ratings
Model Quartz Lock Player System
< turntable part>
Use: Motor 20-pole, 30-slot, brushless DC servo motor
Drive system Quartz lock servo system, direct drive system
Rotation speed 33·1/3, 45rpm
Speed regulation range ± 2.5% (when quartz lock is OFF)
Startup characteristics Within 1/2 turn (at 33 and 1/3 rpm)
Wow Flutter 0.03% W.R.M.S or less
signal-to-noise ratio 60dB or more
Starting torque 1.2kg·cm
Downtime 1/3 turn (33・1/3rpm) 1
turn (45rpm)
Speed deviation Within 0.0003% of ±
Load characteristics 0% (Quartz Lock ON, Needle Pressure 100g)
0.02% (Quartz OFF)
Initial Drift 0.001%/h
Voltage characteristics 0%(±10V)
Temperature characteristics 0.00003%
turntable 32cm Aluminum Die-Casting 1.6kg
< tonearm >
format Static Balanced S Pipe Arm
Effective length 237mm
Overbank 14mm
Tracking Errors ±2 ゚
Needle pressure adjustment range 0~4g (0.25g steps)
Mounting cartridge range 4.5g～10.5g
Height adjustment range 7mm
Ancillary mechanism Needle pressure-compatible anti-skating
oil-dumped arm elevation
< cartridge >
Model name C-500M
format Moving Magnet
Frequency response 20Hz～20000Hz
Output voltage 3mV(1kHz、50mm/s)
Separation 20dB
Channel Balance Within 1dB
compliance 10x10-6cm/dyne(100Hz)
Recommended Load Resistance 50kΩ
Interchangeable needle name N-500C
Needle 0.5mil round needle
automatic 5.2g
Proper needle pressure 1.5～2g
< Comprehensive >
power AC100V 50Hz/60Hz
Power Consumption 8W
External dimensions Width 470 x Height 150 x Depth 372 mm
weight 12.5kg
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