MICRO MR-611
¥ 49,800 (around 1973)
Commentary
A record player announced as a top player.
The drive system is equipped with MB 600, an 8-pole hysteresis synchronous motor, and drives a 31 cm aluminum alloy die-cast turntable by a belt drive system with double-side polished belts.
Equipped with a belt lock mechanism that prevents the belt from twisting and improves durability.
The tone arm is equipped with a high sensitivity type MA-101mkII.
The cartridge is protected by the delay motion and arm lifter, and the head shell can be corrected by the adjustment ring.
Equipped with a one touch operation lever for fine adjustment of arm height.
The cartridge is equipped with the VF type cartridge VF 3200.
Uses 25 micron ultra-lightweight cantilever.
Equipped with needle tip protector with magnifying lens.
Equipped with a guide lamp for needle tip illumination that can be operated even in dark places.
The cabinet is a 19mm-thick rosewood finished cabinet with rubber feet as a countermeasure against howling.
A low-capacity shielded cable is used to support 4-channel playback.
Model Rating
| Type | Record player |
| <Turntable portion> | |
| Type | MB-600 |
| Drive system | Belt drive system |
| Motor | 8-pole hysteresis synchronous type |
| Number of revolutions | 33 1/3, 45 rpm |
| Turntable | 31 cm aluminum die cast, 1.4 kg |
| Uneven rotation | Not more than 0.05% |
| Signal-to-noise ratio | 52 dB or more |
| Tone Arm Section | |
| Type | Static balance type (Inside Four Scancellar Needle Pressure Compatible Variable Type) MA-101mkII |
| Total Length | 333 mm max. |
| Effective length | 237mm |
| Overhang | 15mm |
| Offset angle | 21 ゜ |
| Maximum tracking error | 1.5 degrees or less |
| Applicable Cartridge Dead Weight | 4g ~ 15g |
| Needle pressure variable range | 0 ~ 3g (1 Rotation) |
| Inside for Scan Seller Variable Range | 0 to 400 mg |
| Arm Height Adjustment Range | Fine adjustment : 6 mm Screwdriver Used : 43 mm |
| Cartridge Section | |
| Type | VF Type (VF-3200, US Patent No. 3538266) |
| Frequency characteristic range | 5 Hz to 35 kHz |
| Output balance | ± 0.5 dB |
| Channel separation | 30dB(1kHz) |
| Output voltage | 3 mv (1 khz, 3.54cm/s, 45 ゜ mod) |
| Load resistance | 47k Ω ~ 50k Ω |
| Optimum needle pressure | 1.5g |
| Needle tip | 0.3x0.8 mil Solid Diamond Elliptical Needle |
| Compliance | 30x10-6cm/dyne |
| Exchange needle | V-3200 |
| <General> | |
| Power consumption | 17W |
| External dimensions | Width 500x Height 206x Depth 378 mm |
| Weight | 10kg |
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