Obsidian Subwoofers

Obsidian 12” and 15” subwoofers utilize a plethora of new and innovative design techniques to bring you the finest mix of sound quality, deep bass extension, SPL, and affordability. Key features include:

Low inductance 2.5” diameter copper voice coil on an aluminum former.
Unique VC cooling that draws air in around the VC former and shoves it out the pole vent.
180mm (7.2 inch) diameter, twin 25mm (1 inch) magnet slugs, 25 lb motor.
Thick paper pulp cone.
High-roll stitched on rubber surround.
Cast aluminum basket.
Large 4AWG terminals.
Small enclosure requirements.
Rated at 600 watts RMS.
Available in dual 2 Ohm and dual 4 Ohm voice coil configurations.

     
       
       

Obsidian 10" v3 D2:
Re: 4.0 Ohm
Fs: 36 Hz
Qms: 6.54
Qes: 0.72
Qts: 0.65
Vas: 11.6 l
Le: 3.7 mH
BL: 17.7
SPL: 80 dB
Sd: 324 cm^2
Mms: 238 g
Xmax: 20mm
Peak-to-peak: 58mm
Power Handling: 600 watts RMS

Recommended enclosure info:
Sealed ~ 0.75 to 1.0 ft^3
Ported ~ 0.8 to 1.25 ft^3 @ 34 to 36 Hz
Cutout: 8.875"
OD: 10.35"
Mounting depth: 6.5"
Mounting flange to top of surround: 1.3"
Displacement: 0.15 ft^3

Obsidian 12" v3 D2:
Re: 4.0 Ohm
Fs: 33 Hz
Qms: 5.21
Qes: 0.56
Qts: 0.51
Vas: 34.4
Le: 4.36 mH
BL: 19.1
SPL: 85.4 dB
Sd: 490 cm^2
Mms: 243.1 g
Xmax: 20mm
Peak-to-peak: 62mm (2.45")
Power Handling: 600 watts RMS

Recommended enclosure info:
Sealed ~ 1.0 to 1.5 ft^3
Ported ~ 1.75 to 2 ft^3 @ 32 to 35 Hz
Cutout: 11.10"
OD: 12.5"
Mounting depth: 6.75"
Mounting flange to top of surround: 1.25"
Displacement: 0.16 ft^3

Obsidian 15" v3 D2
Re: 4.0 Ohm
Fs: 31 Hz
Qms: 2.9
Qes: 0.76
Qts: 0.61
Vas: 81
Le: 4.36 mH
BL: 18.18
SPL: 87 dB
Sd: 856 cm^2
Mms: 321 g
Xmax: 20mm
Peak-to-peak: 62mm (2.45")
Power Handling: 600 watts RMS

Recommended enclosure info:
Sealed ~ 2.0 to 2.5 ft^3
Ported ~ 2.5 to 3.75 ft^3 @ 30 to 32 Hz
Cutout: 14.0"
OD: 15.5"
Mounting depth: 8"
Mounting flange to top of surround: 1.5"
Displacement: 0.19 ft^3

Obsidian 18" v2 D2
Re: 3.97 Ohm
Fs: 25 Hz
Qms: 4.48
Qes: 0.840
Qts: 0.707
Vas: 156
Le: 3.72 mH
BL: 19.12
SPL: 86.88 dB
Sd: 1217.34 cm^2
Mms: 479 g
Xmax: 20mm
Peak-to-peak: 62mm (2.45")
Power Handling: 600 watts RMS

Recommended enclosure info:
Sealed ~ 3.5 to 5 ft^3
Ported ~ 4.5 to 6 ft^3 @ 28 to 32 Hz
Cutout: 16.7"
OD: 18.5"
Mounting depth: 9.5"
Mounting flange to top of surround: 1.5"
Displacement: 0.25 ft^3





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