AR(Acoustic Research) 312HO
¥ 270,000 (a set of two cars, around 1997)
Commentary
This is a HO series speaker system designed by Carrie Christie who will newly lead AR.
Christie is one of the founding members of Infiniti and is involved in the development of servo static speakers, black widow tone arms, EMIM, EMIT drivers, and IRS speakers.
Long stroke type 30 cm cone type woofer is installed in the low range.
The mid-range has two 13 cm cone mid-range units, and the high-range has a 2.5 cm dome tweeter.
The 312 ho has been developed with technologies such as Aeroform Tweeter, Focused Array Configuration, Energy Control Contour Baffle, and Voice Balanced Tone Matching.
It is a magnetic resistant design.
Built-in-mirror image subwoofers provide a slim design.
There are 2 variations of the exterior finish, black and maple.
Model Rating
| Method | 3-Way, 4-Speaker, Tall Boy Type, Magnetic Protection Design |
| Units Used | For low band : 30 cm cone type For Medium Range : 13 cm Cone Type x2 For high-pass : 2.5 cm dome type |
| Frequency characteristic | 30 Hz to 20 kHz ± 2 dB |
| Output sound pressure level | 97dB/2.83V/m |
| Impedance | 8 Ω |
| Allowable input | 25W ~ 250W (RMS) |
| Crossover frequency | 120 Hz, 2.5 kHz |
| External dimensions | Width 265x Height 1,093x Depth 478 mm |
| Weight | 33.3kg |