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YST-SW515 Subwoofer
Yamaha’s YST-SW515B subwoofer combines 270W of power with advanced technology to provide top-class sound quality, making it an ideal match for your speakers.
QD-Bass Technology
QD-Bass (Quatre Dispersion Bass) technology uses down-firing drivers with square, pyramid-shaped reflective plates to radiate the sound efficiently in four horizontal directions. The reflective plates (not used in competitors’ down-firing subwoofers) negate any effects caused by the floor surface and reduce resonance between sound waves reflected from the floor and the unit. Unlike most other systems, QD-Bass reduces turbulence by radiating in four directions to avoid reflection from the legs of the cabinet. This means that the YST-SW515B generates extraordinary power and smooth frequency response from an extremely compact unit and allows greater freedom of placement, because the sound radiates with equal effectiveness in all directions.
Advanced YST II for awesome bass
Yamaha's newly developed Advanced YSTII (Yamaha Active Servo Technology II) combines negative impedance and constant-current principles to drive the speaker cone with even tighter control than in previous models. Using Advanced Negative Impedance Converter (ANIC) circuits, this system dynamically optimises effective speaker impedance to maintain excellent linearity. This means more stable and accurate low range response, not to mention higher sound pressure levels, for more natural and energetic bass reproduction.
PWM Digital Drive high efficiency amplifier
The YST-SW515B delivers high power outputs at deep bass levels, with excellent stability and low power consumption, even with its compact cabinet. This is made possible by a highly efficient power amplifier. The amplifier achieves superior conversion efficiency by supplying maximum power from the power transistors according to the output level. It delivers stable power output with high efficiency while minimising power consumption and heat production. It does not require an output filter coil, resulting in extremely low noise and distortion. High speed transient response is also excellent.
New linear port
The linear port provides smooth bass response during playback and minimises extraneous noise.
BASS
The BASS (Bass Action Selector System) function lets you switch between Movie and Music modes, providing the optimum frequency response in each case.
Environmentally friendly
The internal parts and circuit boards of the YST-SW515B do not contain lead, which is often used in other subwoofer brands, and is harmful to the environment. It also has a low-power standby mode, in which power consumption is only 0.5W.
Other notable features:
* 25cm (10 inch) multi-range driver with magnetic shielding
* 20–160Hz low frequency reproduction
* Auto Standby with sensitivity selector (HIGH, LOW and OFF)
General
Product Type Subwoofer
Width 13.8 in
Depth 15 in
Height 16.9 in
Weight 41.9 lbs
Enclosure Color Black
Speaker System
Speaker Type Active
Nominal (RMS) Output Power 250 Watt
Response Bandwidth 20 - 160 Hz
Total Harmonic Distortion 10%
Crossover Frequency 40 - 140Hz
Output Features QD-Bass (Quatre Dispersion Bass)
Magnetic Shield Yes
Audio Amplifier Integrated
Connectivity Technology Wired
Controls Subwoofer volume control, power on/off, subwoofer phase, subwoofer cut frequency
Additional Features Auto power on/off
Speaker System Details
Speakers Included 1 x subwoofer - 250 Watt - at 100 Hz - 5 Ohm - wired
Driver Details Subwoofer : 1 x subwoofer driver - 10"
Power
Power Device Power supply
Yamaha’s YST-SW515B subwoofer combines 270W of power with advanced technology to provide top-class sound quality, making it an ideal match for your speakers.
QD-Bass Technology
QD-Bass (Quatre Dispersion Bass) technology uses down-firing drivers with square, pyramid-shaped reflective plates to radiate the sound efficiently in four horizontal directions. The reflective plates (not used in competitors’ down-firing subwoofers) negate any effects caused by the floor surface and reduce resonance between sound waves reflected from the floor and the unit. Unlike most other systems, QD-Bass reduces turbulence by radiating in four directions to avoid reflection from the legs of the cabinet. This means that the YST-SW515B generates extraordinary power and smooth frequency response from an extremely compact unit and allows greater freedom of placement, because the sound radiates with equal effectiveness in all directions.
Advanced YST II for awesome bass
Yamaha's newly developed Advanced YSTII (Yamaha Active Servo Technology II) combines negative impedance and constant-current principles to drive the speaker cone with even tighter control than in previous models. Using Advanced Negative Impedance Converter (ANIC) circuits, this system dynamically optimises effective speaker impedance to maintain excellent linearity. This means more stable and accurate low range response, not to mention higher sound pressure levels, for more natural and energetic bass reproduction.
PWM Digital Drive high efficiency amplifier
The YST-SW515B delivers high power outputs at deep bass levels, with excellent stability and low power consumption, even with its compact cabinet. This is made possible by a highly efficient power amplifier. The amplifier achieves superior conversion efficiency by supplying maximum power from the power transistors according to the output level. It delivers stable power output with high efficiency while minimising power consumption and heat production. It does not require an output filter coil, resulting in extremely low noise and distortion. High speed transient response is also excellent.
New linear port
The linear port provides smooth bass response during playback and minimises extraneous noise.
BASS
The BASS (Bass Action Selector System) function lets you switch between Movie and Music modes, providing the optimum frequency response in each case.
Environmentally friendly
The internal parts and circuit boards of the YST-SW515B do not contain lead, which is often used in other subwoofer brands, and is harmful to the environment. It also has a low-power standby mode, in which power consumption is only 0.5W.
Other notable features:
* 25cm (10 inch) multi-range driver with magnetic shielding
* 20–160Hz low frequency reproduction
* Auto Standby with sensitivity selector (HIGH, LOW and OFF)
General
Product Type Subwoofer
Width 13.8 in
Depth 15 in
Height 16.9 in
Weight 41.9 lbs
Enclosure Color Black
Speaker System
Speaker Type Active
Nominal (RMS) Output Power 250 Watt
Response Bandwidth 20 - 160 Hz
Total Harmonic Distortion 10%
Crossover Frequency 40 - 140Hz
Output Features QD-Bass (Quatre Dispersion Bass)
Magnetic Shield Yes
Audio Amplifier Integrated
Connectivity Technology Wired
Controls Subwoofer volume control, power on/off, subwoofer phase, subwoofer cut frequency
Additional Features Auto power on/off
Speaker System Details
Speakers Included 1 x subwoofer - 250 Watt - at 100 Hz - 5 Ohm - wired
Driver Details Subwoofer : 1 x subwoofer driver - 10"
Power
Power Device Power supply
| condition | New |
| Manufacturer | Yamaha |
