Pioneer PL-28
¥ 32,800 (around the late 1960 s?)
Commentary
A stereo record player with a hysteresis synchronous motor.
The tone arm is equipped with a needle pressure display mechanism.
Equipped with an oil dump arm elevation mechanism that does not damage records or needle tips.
Model Rating
| Type | Record player |
| Auto mechanism | Motor power supply auto switch Idler auto controller Tone arm lifting mechanism |
| Motor | 4-pole hysteresis synchronous type |
| Turntable | 30 cm Diameter Aluminum Die Cast (Weight 1.6 kg) |
| Uneven rotation | Not more than 0.12% |
| Number of revolutions | 33 1/3, 45 rpm |
| Cartridge | MM Type (PC-10) |
| Needle | 0.6 mil diamond needle |
| Frequency characteristic | 20 Hz to 20 kHz ± 2 dB |
| Channel isolation | 20 dB or More (1 kHz) |
| Output voltage | 5 mv (1 kHz, 50mm/s) |
| Output balance | 2 dB or Less (1 kHz, 50mm/s) |
| DC resistance | 500 Ω |
| Load resistance | 50k Ω |
| Needle tip compliance | 10x10-6cm/dyne |
| Tracking error | + / - 1 ゜ |
| Proper needle pressure | 2.5g ~ 3.5g |
| Tone arm | Light Metal Static Balance Type Needle pressure direct reading weight |
| Exchange needle | Diamond Needle PN-10 (¥ 1,800) |
| Pwer | 100 VAC, 50Hz/60Hz Switching Type |
| External dimensions | Width 448x Height 197x Depth 407 mm |