INFINITY RS-M
¥ 108,000 (1 unit, around 1980)
Commentary
This is a speaker system introduced as Reference Studio Monitor with Infiniti's original technology.
A 30 cm cone type woofer is installed in the low range.
Polypropylene is used for the cone part, and the Q of general paper cone is as low as 7 ~ 9 compared to 80 ~ 100, and it reduces waving phenomenon and deflection of the cone and prevents muddy sound.
The mid-range is equipped with a 12.5 cm cone type mid-range.
Polypropylene is used for the cone part as well as the low frequency part.
The high-range is equipped with EMIT (Electromagnetic Induction Tweeter), a full-drive type tweeter originally developed by Infiniti.
Samarium-cobalt, the most powerful magnetic material, is a full-surface drive type sandwiched by ultra-thin and ultra-lightweight plastic diaphragms, achieving excellent high-frequency reproduction.
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Model Rating
| Method | 3-Way, 3-Speaker, Airtight Type, Bookshelf Type |
| Units Used | For low band : 30 cm cone type For Medium Range : 12.5 cm Cone Type For High Frequency : Full Drive Type (EMIT) |
| Frequency band | 43 Hz to 32000 Hz |
| Rated input | 125W |
| Amplifier recommended output | 35W ~ 250W/ch |
| Output sound pressure level | 90dB/W/m |
| Crossover frequency | 500 Hz, 5000 Hz |
| Impedance | 4 Ω |
| External dimensions | Width 380x Height 670x Depth 254 mm |
| Weight | 22.7kg |