Electro Research Model300
¥ 28,900 (1 unit, around 1970 s?)
Commentary
This is a book shelf speaker system that uses a sealed system.
It is equipped with a 20 cm cone type woofer for the low range, a 6 cm cone type tweeter for the high range, and a 3.6 cm cone type super tweeter for the ultra high range.
The exterior has a walnut wood finish and the front grill uses breathable foam plastic.
Model Rating
| Type | 3-Way, 3-Speaker, Airtight Type, Bookshelf Type |
| Units Used | For low band : 20 cm cone type For high pass : 6 cm cone type For Super High Range : 3.6 cm cone type |
| Impedance | 8 Ω |
| Frequency characteristic | 50 Hz to 20 kHz ± 5 dB |
| fo | 62Hz |
| Output sound pressure level | 87dB/W |
| Max Input | 25W(Music Power) |
| Crossover frequency | 3 kHz, 7 kHz |
| External dimensions | Width 290x Height 450x Depth 250 mm |
| Weight | 8kg |