EARTHQUAKE 12" PASSIVE TUNED RADIATOR

Features

• Installs just like a subwoofer
• Slim-mount design is only 3-inches deep
• No increase over existing sealed subwoofer enclosure sizes
• Easy tuning for quick adjustments
• Increases output without added amplifier power or enclosure volume
• Suitable for high output needs where space is limited
• User-tunable adjustments can be set to match a range of vehicle requirements and musical preferences
• Compatible replacement for damaged Sunfire passive radiator

Specifications

• Overall Diameter: 12.37″ 314.2 mm
• Cutout Diameter: 11.37″ 289 mm
• Mounting Depth: 2.25″ 53.3 mm
• Hex Nut Size: US 5/16″ (M8)
• Mass ID: 5/16″ (8mm)
• Max Mass OD: 2-7/8″ (74mm)

TS Parameters

All Measurements Are With Zero Added Mass
Assuming Surround Losses of Qmd = 7 @ 20Hz

• Mass to Deflection: 7.074 kgs
• Deflection in Meters, X: 0.02 m
• CMS, CMP: 0.000288201 N⋅m
• Diameter Peak to Peak, D: 25 cm
• Active Piston Area Sd: 490.875 cm²
• Active Piston Area Sd: 0.0490875 m²
• Vas in Liters: 98.61116866 L
• Vas in Cubic Feet: 3.472224249 ft³
• Air Mass Mmr In Kgs: 0.006253515 kgs
• Air Mass Mmr In Grams: 6.253515291 g
• Moving Mass In Grams: 213 g
• Mms = Mmp In Grams: 219.2535153 g
• Free Air Resonance Fs = Fp: 20.02155789 Hz
• Peak to Peak Excursion in/cm: 4″ / 10.16 cm
• Qms: 8.5
• Qts: 0.35