ONKYO E-53A
¥ 32,000 (1 unit, around 1971)
¥ 33,400 (1 unit, around 1972)
Commentary
A 3-way speaker system for bright playback sound.
A high compliance type 30 cm cone type woofer with low Qo is installed in the low range.
A 3.5 cm dome type skoker is mounted in the middle area.
Hard duralumin foil is used for the diaphragm, and free edge of craft pipe with high Young's modulus is adopted for the edge.
A 2.5 cm dome type tweeter is installed in the high range.
A hard chip board is used for the enclosure, and all joints of the cabinet are sealed with a strong adhesive in order to demonstrate the performance of each unit with excellent sound quality and characteristics.
Model Rating
| Method | 3-Way, 3-Speaker, Airtight Type, Bookshelf Type |
| Units Used | For low band : 30 cm cone type For Middle Area : 3.5 cm Dome Type For high-pass : 2.5 cm dome type |
| Playback frequency band | 35 Hz to 20 kHz |
| Lowest resonance frequency | 55Hz |
| Allowable input | 25W |
| Max Input | 40W |
| Impedance | 8 Ω |
| Output sound pressure | 98dB/W(50cm) |
| Crossover frequency | 800 Hz, 6.5 kHz |
| External dimensions | Width 376x Height 650x Depth 295 mm |
| Weight | 17kg |
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