Pioneer PW-20B
¥ 2,950 (around the late 1960 s?)
Commentary
20 cm cone type woofer unit.
For the diaphragm, we have adopted cone with moderate amount of glass fiber mixed.
.JPG)
Model Rating
| Type | 20 cm Cone Woofer |
| Impedance | 8 Ω, 16 Ω |
| Lowest resonance frequency (fo) | 50 Hz to 70 Hz |
| Reproduction frequency characteristic | Fo ~ 4 kHz |
| Output sound pressure level | 103dB/W |
| Max Input | 12W |
| External dimensions | Diameter 205x Depth 112 mm |
| Weight | 1.57kg |