ONKYO D-5R
¥ 48,000 (1 unit, released in 1982)
Commentary
A speaker system that employs a delta olefin refined diaphragm.
The low range is equipped with a 28 cm cone type woofer adopted for the delta olefin refined diaphragm.
This diaphragm maintains the ideal internal loss as it is, and by controlling the added compound, the Young's modulus is increased by 4 times and the rigidity is strengthened.
In addition, a 4-layer voice coil and cap-toon voice coil bobbin are used for the drive system to improve input resistance.
The mid-range is equipped with a 10 cm cone type squaker using a delta olefin refined diaphragm.
This unit is a low fo type contained in an independent airtight box with an internal volume of approximately 1L.
A 2.5 cm dome type tweeter is installed in the high range.
The diaphragm is made of magnesium alloy, which was the first to succeed in resin deposition, and high efficiency is achieved by applying an ultra-thin uniform coating of 6 μ m.
Equipped with independent level independent level control for middle and high frequencies.
The enclosure has a symmetrical design.
Model Rating
| Method | 3-way 3-speaker air suspension system Bookshelf type |
| Units Used | For low band : 28 cm cone type For Medium Range : 10 cm Cone Type For high-pass : 2.5 cm dome type |
| Playback frequency band | 30 Hz to 45000 Hz |
| Max Input | 120W |
| Impedance | 6 Ω |
| Output sound pressure | 91dB/W/m |
| Crossover frequency | 500 Hz, 3000 Hz |
| Cabinet internal volume | 50L |
| External dimensions | Width 350x Height 630x Depth 325 mm |
| Weight | 16.5kg |