YAMAHA YST-SW40
¥ 20,000 (1 unit, released in 1996)
Commentary
Compact size YST type super woofer (sub-woofer).
Yamaha's proprietary YST method realizes compact size and deep bass playback.
The unit is equipped with 20 cm cone type woofer of anti-magnetic design.
All discrete configuration is adopted for the power amplifier section.
In addition, high cut frequency continuously variable system is adopted.
Equipped with an auto power ON/OFF function that turns the power ON/OFF according to the presence or absence of signal input.
Model Rating
| Method | Built-in Amplifier / 1-Way / 1-Speaker / YST System / Floor Type |
| Units Used | For Ultra Low Band : 20 cm Cone Type (Magnetic Protection) |
| Port diameter | 5.0cm |
| Rated output | 50W (5 Ω) |
| Input impedance | SP input : 4.7k Ω Line input : 10k Ω |
| Frequency characteristic | 30 Hz to 200 Hz -10dB |
| Lowest resonance frequency | 43Hz |
| High-cut filter | 50 Hz ~ 150 Hz Continuously Variable |
| High Cut Filter Slope | -24dB/oct |
| Internal volume | 18 liters |
| Power consumption | 37W |
| External dimensions | Width 252x Height 350x Depth 320 mm |
| Weight | 8.2kg |
| Attachment | 2 x 4m speaker cords |