Pioneer PU-22
¥ 18,500 (around the late 1960 s?)
Commentary
A record player unit with semi-automatic mechanism using a 30 cm turntable.
There was no sales of finished products with a case, only for unit parts.
Model Rating
| Type | Player unit |
| Auto mechanism | Linked to oil dump arm elevation Motor power supply auto switch Idler auto controller Tone arm lifting mechanism |
| Motor | 4-pole synchronous type |
| Turntable | 30 cm Diameter Aluminum Die Cast (Weight 1 kg) |
| Uneven rotation | Not more than 0.15% |
| Signal-to-noise ratio | 40 dB or more |
| Cartridge | MM Type (PL-C6) |
| Needle | 0.7 mil diamond needle |
| Frequency characteristic | 20 Hz to 21 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 |
| Needle tip compliance | 6x10-6cm/dyne |
| Tracking error | ± 1.5 ° |
| Proper needle pressure | 3.5g |
| Tone arm | Light metal static balanced tone arm |
| Exchange needle | Diamond Needle PL-N6 (¥ 1,800) |
| Pwer | 100 VAC, 50Hz/60Hz Switching Type |
| External dimensions | Width 380x Height 150x Depth 310 mm |