INFINITY Reference Standard IIa
¥ 560,000 (1 unit, released in April 1984)
Commentary
In order to realize the expressive power equivalent to RS-1, the woofer part is also incorporated into the diffraction wing, and this speaker system puts the point source theory into practice.
There are two 25 cm cone units in the low range, three EMIM units in the middle range, and three EMIT units in the high range (one of which is on the back).
Special equalizer amplifier is included and bi-amplifier drive is possible.
Model Rating
| Method | 3-way, 8-speaker floor type |
| Units Used | For low band : 25 cm cone x2 For mid-range : 3 EMIM models For High Frequency : EMIT Type x3 |
| Frequency band | 29 Hz to 32000 Hz, ± 3 db |
| Impedance | 4 Ω |
| Output sound pressure level | 87dB/W/m |
| Crossover frequency | 150 Hz, 800 Hz, 4000 Hz, 8000 Hz |
| Recommended power amplifier output | 100W ~ 500W |
| External dimensions | Width 580x Height 1220x Depth 460 mm |
| Weight | 45.0kg |