Audio Database

The

MICRO MR-211 31,000yen(around the 1973 time)

Description
@
The stereo record player also corresponding to 4ch.

4 pole outer rotor motor equipped with the die-casting radiator is adopted as a drive system, and the 30cm turntable made from aluminum die-casting is driven by the belt drive scheme.

The arm rest functionality of a power-switch interlock is carried.

The spring type inside force canceller is carried.

Aluminum hairline finish is adopted as a motorboat.
Moreover, the rubber foot which absorbs a shock is adopted and the howling is suppressed.

In order to correspond also to 4ch, low capacity output code is adopted.

M-2100/6 are carried in the cartridge.


Rating of a mode
Form Record player
<Turntable part>
Drive system Belt drive scheme
Motor 4 pole hysteresis synchronous type outer rotor motor
Rotational frequency 33 1 / 3 or 45rpm
Turntable The product made from 30cm aluminum die-casting, 1kg
Rotation unevenness 0.08% or less
S/N ratio 48dB or more
<Tone arm part>
Form Static balance type
(Variable type corresponding to an inside force stylus force)
Total length 295mm
Effective length 222mm
Overhang 13mm
Offset angle 21 degrees
The maximum tracking error 1.5 degrees or less
Conformity cartridge self-weight 4g-9g
Stylus-force variable span 0-5g (one rotation)
Inside-force-canceller variable span 0-330mg
<Cartridge part>
Form man-month type cartridge (M-2100/6)
Frequency characteristic span 10Hz - 28kHz
Output balance }0.5dB
Channel separation 30dB(1kHz)
Output voltage 6mV (1kHz, 3.54 cm/s)
Load resistance 50kohms - 100kohm
The optimal stylus force 2g
Needle point 0.6mil, a natural diamond
Compliance 23x10 to 6 cm/dyne
Switching needle V-2100 / 6 (V-2100/5, and V-2100/e are also good)
<Synthesis>
Power consumption 14W
Dimensions Width 448x height 159x depth of 340mm
Weight 6.9kg