Pioneer PIM-20A/PIM-8
¥ 2,900 (around the mid 1960 s?)
Commentary
20 cm speaker unit with mechanical 2-way configuration.
There is only one voice coil, and the cone paper has a structure in which a tweeter cone is joined to the center of the woofer with a corrugation edge.
When it was changed from inches to centimeters, the model number was also changed from PIM-8 to PIM-20A.
Model Rating
Type | 20 cm mechanical 2-way speaker |
Impedance | 8 Ω / 16 Ω |
Lowest resonance frequency (fo) | 55 Hz to 70 Hz |
Reproduction frequency characteristic | Fo ~ 16 kHz |
Max Input | 6W |
Output sound pressure level | 99.5dB/W |
Total flux | 56,000maxwell |
External dimensions | Diameter 205x Depth 108 mm |