SANSUI SR-4050
¥ 49,500 (around 1973)
Commentary
Belt drive player equipped with auto up / stop function by auto mechanism.
Auto-up mechanism using magnet reed switch and plunger is adopted, and side pressure during auto operation is 0.
A 4-pole synchronous motor is used as the drive motor.
The tone arm uses a precision finish static balance type gimbal support pipe arm.
This arm is equipped with a lateral balancer and a continuously variable inside four scan seller.
Equipped with 0.5g step direct-reading needle pressure application mechanism.
Equipped with a newly designed slow-acting oil elevation mechanism that is resistant to temperature changes.
Alumina scratch board is adopted.
Zinc die-cast is used for the accessory base.
Gold plated terminal is used for the connection terminal.
Universal type light shell is adopted, and you can use your favorite cartridge.
Equipped with an insulator to prevent howling.
Feather touch type start lever device is adopted.
Equipped with speed switching mechanism by push button operation and rotational speed indicator.
A case made of walnut wood and special resin is used for the cabinet.
The dust cover is removable.
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Model Rating
| Record player | |
| <Turntable portion> | |
| Turntable | 300 mm φ Aluminum Alloy Die-cast, 1.6 kg |
| Drive system | Belt drive |
| Motor | 4-pole synchronous type |
| Rated speed | 33 1/3, 45 rpm |
| Signal-to-noise ratio | 45 dB or more |
| Wow and flutter | Not more than 0.06% |
| Arm Section | |
| Arm | Static Balanced Single Support Pipe Arm Inside for scan seller With Lateral Balancer |
| Effective length | 230mm |
| Overhang | 15mm |
| Tracking error | ± 1.5 ° |
| Needle pressure variable range | 0 ~ 5g (Direct Reading) |
| Auto mechanism | Auto-up / auto-stop |
| Cartridge Section | |
| Cartridge | MM Type |
| Frequency characteristic | 20 Hz to 20 kHz |
| Output voltage | 5mV |
| Crosstalk | 25 dB or more |
| Proper needle pressure | 2.0g |
| Needle tip | 0.5 mil diamond needle |
| Compliance | 7x10-6cm/dyne |
| Standard load resistance | 50k Ω |
| <Others> | |
| Attachment mechanism | Slow moving oil dump-type arm lifter that is linked with the power switch Belt protection mechanism With Pilot Lamp With sub-weight for cartridge self-weight correction |
| Cabinet | Walnut Open Pore Finish |
| Dust cover | Smoked Acrylic (Removable) |
| Pwer | 100 VAC, 50Hz/60Hz |
| Power consumption | 20W |
| External dimensions | Width 505x Height 198x Depth 370 mm |
| Weight | 11.5kg |
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