YAMAHA AST-S10(G/W)
¥ 65,000 (1 set of 2, released in 1989)
Commentary
B5-size speaker system with active servo technology.
With active servo technology, there is no woofer as a unit, but there is a small-diameter port. The air in this part acts as a diaphragm and realizes low-frequency reproduction.
The lower range is played on a 3.1 cm aperture air woofer.
It uses a 12 cm PP cone type squaker for the mid-range and a 2.5 cm soft dome type tweeter for the high-range.
The enclosure has a urethane coating finish.
There are 2 color variations, gray and white.
A dedicated amplifier is required for use.
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Model Rating
| Method | 3-way, 2-speaker, AST system Bookshelf Type / Magnetic Protection Design |
| Units Used | For Medium Range : 12 cm cone type For high-pass : 2.5 cm dome type |
| Woofer part | Port Diameter : 3.1 cm |
| Playback frequency band | 40 Hz to 30000 Hz |
| Crossover frequency | 3000Hz(12dB/oct) |
| Maximum output sound pressure level | 110 dB / SPL/1kHz (with AST-A10) |
| Internal volume | 5.4L |
| External dimensions | Width 160x Height 296x Depth 198 mm |
| Weight | 3.9kg |
| Attachment | Dedicated cartridge Speaker cord (4mx2) |
| Sold separately : Speaker Stand SPS-S10 (2 in 1 set, ¥ 20,000) | |
| External dimensions | Width 260x Height 501x Depth 290 mm |
| Weight | 2.8kg |