DL Audio Gryphon Pro 12 V.2 (2+2)

12″ subwoofer · dual 2 Ω · 500 W RMS

Fs 28.6 HzQts 0.68Vas 1.42 ft³

Recommended box

For a sedan, one sub, 500 W. It’s the same math as the designer’s step-by-step mode, where you can fit the box to your space, vehicle and amp and get plans, a cut sheet and DXF.

Sealed

Net volume1.73 ft³ (49 L)
Qtc0.92
Fc39 Hz
F3 (−3 dB, no cabin gain)33 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 8 3/4″
Open sealed box in designer

Ported

Net volume2.93 ft³ (83 L)
Tuning (Fb)27 Hz
Portslot 1 15/16 × 14 5/16″, 30 7/8″ long
Port velocity at 500 W62 ft/s
F3 (−3 dB, no cabin gain)23 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 16 3/16″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs28.6 Hz
Qts0.68
Qes0.767
Qms6
Vas1.42 ft³
Re (one coil)≈ 1.7 Ω
Sd≈ 76 in²
Xmax≈ 0.39″
EBP37 — suits sealed calc.
Sensitivity, 1 W / 1 m82.9 dB calc.

General

Size12″
Voice coilsdual 2 Ω
RMS power500 W

Mounting dimensions

Ø12 7/16″cutout Ø11 1/8″mounting depth 6 1/8″magnet Ø≈ 7 3/16″
Cutout diameter11 1/8″
Mounting depth6 1/8″
Overall diameter12 7/16″

Only Qts is published — Qms assumed to be 6 and Qes calculated (barely affects box design).

“≈” means the value isn’t in the spec sheet and a typical value for the size is used; “calc.” means it’s calculated from the published parameters. Check the manufacturer’s spec sheet before you build.

Data sources

Other DL Audio 12″ models