YAMAHA AST-F100
¥ 65,000 (1 set of 2, released in 1989)
Commentary
A wall-mounted thin speaker system that uses active servo technology to provide bass playback from the port.
While an air woofer with a small-diameter port, the system vibrates the air itself inside the enclosure. The air itself functions as a diaphragm and realizes low sound reproduction from 25 Hz.
Four 10 cm PP cone skokers are used for the middle range, and a 2.5 cm soft dome type tweeter is used for the high range.
The unit is anti-magnetic and does not adversely affect the screen on the TV side.
By using the special stand sold separately, it is also possible to place on the floor.
A dedicated amplifier is required for use.
Model Rating
| Method | 3-way, 5-speaker, AST system Floor Type / Magnetic Protection Design |
| Units Used | For Medium Range : 10 cm Cone Type x4 For high-pass : 2.5 cm dome type |
| Woofer part | Port Diameter : 2.8 cm |
| Playback frequency band | 25 Hz to 30000 Hz |
| Crossover frequency | 2500Hz(12dB/oct) |
| Maximum output sound pressure level | 112 dB / SPL/1kHz (with AST-A10) |
| Internal volume | 5.5L |
| External dimensions | Width 295x Height 503x Depth 71.5 mm |
| Weight | 6.0kg |
| Attachment | Dedicated cartridge Speaker cord (10mx2) |
| Speaker Stand SPS-Fsps-F100 (2 Set, ¥ 9,800) | |
| External dimensions | Width 305x Height 195x Depth 270 mm |
| Weight | 2.0kg |