Pioneer PW-20A/PW-8A
¥ 3,450 (around the late 1960 s?)
Commentary
20 cm cone type woofer unit.
Model Rating
| Type | 20 cm cone type woofer unit |
| Impedance | 8 Ω / 16 Ω |
| Lowest resonance frequency (fo) | 50 Hz to 70 Hz |
| Reproduction frequency characteristic | 40 Hz to 4 kHz |
| Maximum allowable input | 8W |
| Output sound pressure level | 103dB/W |
| Total flux | 62,500maxwell |
| Magnetic flux density | 10,100gauss |
| Equivalent mass | 8.6g |
| Baffle opening | 193mm |
| Mounting hole position | 172mm |
| External dimensions | Diameter 205x Depth 110 mm |
| Weight | 1.57kg |