Pioneer PIM-20B/PIM-8B
¥ 3,000 (around the mid 1960 s?)
Commentary
A speaker unit equipped with an output transformer on the mechanical 2-way speaker unit PIM-20A (PIM-8).
Model Rating
| Type | 20 cm mechanical 2-way speaker |
| Transformer | 5k, 7k (for single) 10k (For PP) |
| Lowest resonance frequency (fo) | 55 Hz to 70 Hz |
| Reproduction frequency characteristic | Fo ~ 16 kHz |
| Max Input | 6W |
| Output sound pressure level | 97dB/W |
| Total flux | 33,000maxwell |
| External dimensions | Diameter 205x Depth 108 mm |