Vibe Audio BlackDeath Comp 12 HEX D1 (BLACKDEATHC12HEX-V7)
12″ subwoofer · dual 1 Ω · 5,000 W RMS
The Vibe Audio BlackDeath Comp 12 HEX D1 (BLACKDEATHC12HEX-V7) is a 12″ subwoofer. With Qts 0.32 and EBP 95 it works both sealed and ported: sealed is tighter and smaller, ported is deeper and louder.
| Source | vibeaudio.co.uk · manufacturer data |
|---|---|
| Checked against source | October 2026 |
| Thiele/Small parameters | not in the spec sheet: Re, Xmax — typical value for the size used |
| Mounting dimensions | 1 of 4 — missing: mounting depth, frame outer diameter, magnet diameter; the designer will use an estimate |
Recommended box
For a sedan, one sub, 5,000 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
smaller, tighter| Bass character (Qtc) | Dry and tight · 0.47 |
|---|---|
| Fc | 47 Hz |
| F3 (−3 dB, no cabin gain) | 81 Hz |
| Example box (outside) | 14 3/16″ × 14 3/16″ × 9 11/16″ |
Ported
deeper, louder| Tuning (Fb) | 35 Hz |
|---|---|
| Port | slot 3 15/16 × 14 5/16″, 50 15/16″ long |
| Port velocity at 5,000 W | 114 ft/s |
| F3 (−3 dB, no cabin gain) | 31 Hz |
| Example box (outside) | 31 1/2″ × 15 3/4″ × 18″ |
At 5,000 W this example’s port will be noisy: air speed 114 ft/s, while the limit is 82 ft/s. It stays quiet up to about 2,550 W. Full power needs a port of at least 78.3 in², which means a bigger box than this example — size it in the designer.
Open ported box in designerDeeper: 1.38 ft³ (39 L) tuned to 27 Hz, 30″ × 15 3/4″ × 8 7/16″ outside — a bigger box with flatter deep bass. Open in the calculator
Projects with this subwoofer
Boxes that users designed and published: plans, cut sheet and response graph.
Thiele/Small parameters
| Size | 12″ |
|---|---|
| Voice coils | dual 1 Ω |
| RMS power | 5,000 W |
| Fs | 32.2 Hz |
| Qts | 0.32 |
| Qes | 0.34 |
| Qms | 6.04 |
| Vas | 0.78 ft³ |
| Re (one coil) | ≈ 0.85 Ω |
|---|---|
| Sd | 72.9 in² |
| Xmax | ≈ 0.39″ |
| Mms | 346 g calc. |
| BL | 13.2 T·m calc. |
| EBP | 95 — sealed or ported calc. |
| Sensitivity, 1 W / 1 m | 85.4 dB calc. |
Mounting dimensions
| Cutout diameter | 11 1/8″ |
|---|---|
| Mounting depth | ≈ 5 7/8″ |
Where it fits in a vehicle
Spots from our vehicle guides where the cutout, mounting depth and recommended box fit. The spot sizes are approximate — measure your own vehicle.
- Bronco 4-door — behind the rear seat sealed and ported box
- Wrangler 4-door, hard top — behind the rear seat sealed and ported box
- Wrangler 4-door, soft top — behind the rear seat sealed and ported box
- Silverado / Sierra Crew Cab — under the rear seat sealed and ported box
- Spare tire well sealed box
- FJ Cruiser — behind the rear seat sealed and ported box
- El Camino 1978–87 — behind the seat sealed and ported box
- Cherokee XJ — cargo area, spare moved out sealed and ported box
- Excursion — behind the third row sealed and ported box
- Mustang 2015–2023 coupe — trunk sealed and ported box
- Challenger / Charger — trunk sealed and ported box
- Club Car Precedent — under the rear seat sealed box
“≈” 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 Vibe Audio 12″ models
- Vibe Audio BlackAir 12 D2 (BA12D2-V5) 12″ · dual 2 Ω
- Vibe Audio BlackAir 12 D2 (BLACKAIR12D2-V7) 12″ · dual 2 Ω
- Vibe Audio BlackAir 12 D2 (V4) 12″ · dual 2 Ω
- Vibe Audio BlackAir 12 D2S (BLACKAIR12D2S-V3) 12″ · dual 2 Ω
- Vibe Audio BlackDeath 12 D1 SPL (BD12D1SPL-V4) 12″ · dual 1 Ω
- Vibe Audio BlackDeath 12 D2 (BD12D2-V4) 12″ · dual 2 Ω
- Vibe Audio BlackDeath 12 D2 SPL (BD12D2SPL-V4) 12″ · dual 2 Ω
- Vibe Audio BlackDeath 12 D4 (BD12D4-V4) 12″ · dual 4 Ω
- Vibe Audio BlackDeath 12 HEX D1 (BLACKDEATH12HEX-V7) 12″ · dual 1 Ω
- Vibe Audio Pulse 12 (PULSE12-V0) 12″ · 4 Ω
- Vibe Audio Pulse 12 D2 (PULSE12D2-V3) 12″ · dual 2 Ω
- Vibe Audio Slick 12 D2 (SLICK12D2-V0) 12″ · dual 2 Ω
Similar 12″ subwoofers from other brands
Close in Fs, Qts and Vas — a box of similar volume will suit them.
- Edge EDX12D1SPL-E7 0.67 ft³ sealed · 2.15 ft³ ported
- Edge EDX12D1-E7 0.67 ft³ sealed · 2.15 ft³ ported
- American Bass VELOCITY-1211 0.90 ft³ sealed · 2.08 ft³ ported
- Fi Audio NEO 3.7 12 D2 0.94 ft³ sealed · 2.19 ft³ ported
- AMP MASS 1500 12D2 V.2 0.76 ft³ sealed · 2.26 ft³ ported
- Fi Audio NEO 3.7 12 D1 0.94 ft³ sealed · 2.19 ft³ ported
All 12″ subwoofers in our database →
FAQ
What box does the Vibe Audio BlackDeath Comp 12 HEX D1 (BLACKDEATHC12HEX-V7) need?
Recommended net volume: 0.67 ft³ sealed, 2.15 ft³ ported tuned to 35 Hz — for one sub in a sedan at 5,000 W. Fit the box to your space and amp in the free calculator, with plans and a cut sheet.
What are the Vibe Audio BlackDeath Comp 12 HEX D1 (BLACKDEATHC12HEX-V7) Thiele/Small specs?
Fs 32.2 Hz, Qts 0.32, Vas 0.78 ft³, Sd 72.9 in².
How much power does the Vibe Audio BlackDeath Comp 12 HEX D1 (BLACKDEATHC12HEX-V7) handle and how do I wire it?
RMS power rating: 5,000 W. Dual 1 Ω voice coils: series gives 2 Ω, parallel gives 0.5 Ω at the amp. Wiring for several subs and amp power — in the wiring calculator.
Is the Vibe Audio BlackDeath Comp 12 HEX D1 (BLACKDEATHC12HEX-V7) better sealed or ported?
EBP 95: both work — sealed 0.67 ft³ is tighter and smaller, ported 2.15 ft³ tuned to 35 Hz is deeper and louder.
What port does the Vibe Audio BlackDeath Comp 12 HEX D1 (BLACKDEATHC12HEX-V7) need?
For the 2.15 ft³ ported box tuned to 35 Hz: slot 3 15/16 × 14 5/16″, 50 15/16″ long, area 56.4 in²; or a round port Ø8 1/2″, ≈ 50 15/16″ long. Port air speed at 5,000 W: 114 ft/s.
What box do two Vibe Audio BlackDeath Comp 12 HEX D1 (BLACKDEATHC12HEX-V7) subs need?
Two subs need twice the volume: 1.34 ft³ sealed, or 4.31 ft³ ported at the same 35 Hz tuning with twice the port area. One shared chamber or one per sub — whatever fits your vehicle.