Details CT Sounds is proud to introduce the hydro shallow mount subwoofer series after completing a rigorous R&D process spanning 2 years! Our goal was to engineer a 500-watt 10” shallow-mount subwoofer with a mounting depth below 4” that was suitable for both sealed & ported enclosures. To achieve this, we focused on the EBP (Efficiency Bandwidth Product). As a general rule, EBP < 50, is used only for sealed enclosures, EBP 50 - 100, is used for both, and EBP > 100, is used only for ported enclosures. EBP = FS/QES. Quick Facts: RMS Power: 500 Watts MAX Power: 1000 Watts Voice Coil Configuration: Dual 2 Ohm Use Cases: Sealed & Ported Enclosures Our 1st prototype utilized a 61.1 mm voice coil & 50 oz magnet resulting in a high QES rating of 0.915 and low EBP of 39.46. The 2nd prototype utilized a 50.8 mm voice coil & 50 oz magnet resulting in a slightly lower QES rating of 0.736 and a slightly higher EBP of 49.27. After the 1st and 2nd prototypes, we determined a larger motor assembly was needed to provide a more controlled electrical system (lower QES). This led us to invest in a custom-tooled basket (used in the final prototype) to keep the mounting depth below 4”. The 3rd and final prototype uses a 61.1 mm voice coil & 70 oz magnet resulting in a reduced QES rating of 0.504 and a balanced EBP of 76.29. In testing, we ran into mechanical noise due to the larger motor assembly and voice coil in a confined space. Therefore, we invested in a custom-tooled cone to maximize the excursion capability by creating an equal distance between the cone, spider, and bottom plate. The result is a 10” shallow-mount subwoofer that is extremely responsive in both sealed & ported enclosures. Specs General Specifications: Product Type: Car Subwoofer Subwoofer Size: 10" Voice Coil Configuration: Dual 2 Ohm RMS Power: 500 Watts MAX Power: 1000 Watts Voice Coil Type: 2.40 Inch - 4 Layer High-Temperature Copper Voice Coil Magnet Type: Y35 Bottom Plate Type: Low Carbon Iron Surround Type: Dual White Stitched Competition Mega Foam Surround Cone Type: Composite Paper with 3% Carbon Fiber Reinforcement Tinsel Lead Type: Single Braided Flat Copper Tinsel Leads Terminal Type: 12 Gauge Push Terminals Basket Type: Stamped Steel Spider Material: Poly-Cotton Blend T/S Parameters: Qes: 0.504 Qms: 5.837 Qts: 0.465 Fs: 38.45 Hz Vas: 19.878 L Mms: 152.787 g Cms: 0.112 m/N Re: 3.9 Ω Bl: 16.889 Tm Le: / Sd: 356 cm² Xmax - Single Way (mm): 10 mm Xmax - Single Way (cm): 1 cm Vd (Sd*Xmax): 356 cm² SPL: 85.52 dB Box Specs Subwoofer Measurements: Cutout diameter 9.3" Overall diameter 10.86" Mounting depth 3.89" Box Specifications: Displacement 0.04 ft3 Box Recommendations: Sealed 0.5 ft3 Ported 1 ft3 Tuning Frequency 34 Hz Port Area 16 in2 *Enclosure recommendations do not account for subwoofer, bracing, and port displacement. Details CT Sounds is proud to introduce the hydro shallow mount subwoofer series after completing a rigorous R&D process spanning 2 years! Our goal was to engineer a 500-watt 10” shallow-mount subwoofer with a mounting depth below 4” that was suitable for both sealed & ported enclosures. To achieve this, we focused on the EBP (Efficiency Bandwidth Product). As a general rule, EBP < 50, is used only for sealed enclosures, EBP 50 - 100, is used for both, and EBP > 100, is used only for ported enclosures. EBP = FS/QES. Quick Facts: RMS Power: 500 Watts MAX Power: 1000 Watts Coil Configuration: Dual 4 Ohm Use Cases: Sealed & Ported Enclosures Our 1st prototype utilized a 61.1 mm voice coil & 50 oz magnet resulting in a high QES rating of 1.03 and low EBP of 38.22. The 2nd prototype utilized a 50.8 mm voice coil & 50 oz magnet resulting in a slightly lower QES rating of 0.831 and a slightly higher EBP of 47.37. After the 1st and 2nd prototypes, we determined a larger motor assembly was needed to provide a more controlled electrical system (lower QES). This led us to invest in a custom-tooled basket (used in the final prototype) to keep the mounting depth below 4”. The 3rd and final prototype uses a 61.1 mm voice coil & 70 oz magnet resulting in a reduced QES rating of 0.569 and a balanced EBP of 69.19. In testing, we ran into mechanical noise due to the larger motor assembly and voice coil in a confined space. Therefore, we invested in a custom-tooled cone to maximize the excursion capability by creating an equal distance between the cone, spider, and bottom plate. The result is a 10” shallow-mount subwoofer that is extremely responsive in both sealed & ported enclosures. Specs General Specifications: Product Type: Car Subwoofer Subwoofer Size: 10" Voice Coil Configuration: Dual 4 Ohm RMS Power: 500 Watts MAX Power: 1000 Watts Voice Coil Type: 2.40 Inch - 4 Layer High-Temperature Copper Voice Coil Magnet Type: Y35 Bottom Plate Type: Low Carbon Iron Surround Type: Dual White Stitched Competition Mega Foam Surround Cone Type: Composite Paper with 3% Carbon Fiber Reinforcement Tinsel Lead Type: Single Braided Flat Copper Tinsel Leads Terminal Type: 12 Gauge Push Terminals Basket Type: Stamped Steel Spider Material: Poly-Cotton Blend T/S Parameters: Qes: 0.569 Qms: 5.762 Qts: 0.518 Fs: 39.37 Hz Vas: 20.596 L Mms: 140.610 g Cms: 0.116 m/N Re: 6.6 Ω Bl: 20.089 Tm Le: / Sd: 356 cm² Xmax - Single Way (mm): 10 mm Xmax - Single Way (cm): 1 cm Vd (Sd*Xmax): 356 cm² SPL: 85.47 dB Box Specs Subwoofer Measurements: Cutout diameter 9.3" Overall diameter 10.86" Mounting depth 3.89" Box Specifications: Displacement 0.04 ft3 Box Recommendations: Sealed 0.5 ft3 Ported 1 ft3 Tuning Frequency 34 Hz Port Area 16 in2 *Enclosure recommendations do not account for subwoofer, bracing, and port displacement. Wiring Calc. #calc#
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