Cone: The xs-GSW121D uses a honeycomb design MRC cone (Mica
Reinforced Cellular glass fiber composite) to reduce weight and increase rigidity,
delivering deep bass response.
Dual Voice Coils: For increased system flexibility, the woofer
has two 4Ω voice coils. When the voice coils are wired in parallel, the woofer
presents a 2Ω load. When the voice coils are wired in series, the woofer
presents an 8Ω load.
Binding Posts: The binding post wire terminals will accept
pin connectors, spade lugs, single banana plugs, and bare wire up to 10 gauge.
The binding posts are spaced too close together to accept dual banana plugs.
Enclosure Compatibility: The xs-GSW121D is compatible with
either a sealed or ported enclosure.
- Sealed Box Volume: The ideal sealed box
volume is 0.84 ft³.
- Ported Box Volume: The ideal ported box
volume is 1.37 ft³ with a 4" diameter and 11-7/8"
Specification Note: Sony's rated power spec for the xs-GSW121D
is 420 watts (derived using IEC 60268-5 standards). They also list the CEA 2031
compliant RMS power as 520 watts. We've adopted the 420 watt rating simply because
it's the more conservative figure.
Trim Ring: If the sub is mounted without the cosmetic trim
ring, the flange height is 0.241" and the mounting height is 0.6" (top
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