National EAS-20PX27
¥ 3,100 (1 unit, around 1967)
Commentary
20 cm 2-way compound speaker.
Model Rating
Type | 20 cm compound speaker unit |
Allowable input | 10W |
V. C impedance | 8 Ω |
Frequency characteristic | 45 Hz to 16 kHz |
Lowest resonance frequency | 50 Hz to 70 Hz |
Output sound pressure level | 99dB |
Magnetic flux density | Low : 10,000 gauss High : 9,200 gauss |
Weight | 1.17kg |