Orion HCCA 10D (1999)
10″ subwoofer · dual 2 Ω
The Orion HCCA 10D (1999) is a 10″ subwoofer. With Qts 0.44 and EBP 81 it works both sealed and ported: sealed is tighter and smaller, ported is deeper and louder.
| Source | web.archive.org · manufacturer data |
|---|---|
| Checked against source | October 2026 |
| Thiele/Small parameters | complete |
| Mounting dimensions | 3 of 4 — missing: magnet diameter; the designer will use an estimate |
Recommended box
For a sedan, one sub, 300 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) | Flat and accurate · 0.67 |
|---|---|
| Fc | 59 Hz |
| F3 (−3 dB, no cabin gain) | 66 Hz |
| Example box (outside) | 12 5/8″ × 12 5/8″ × 8 5/8″ |
Ported
deeper, louder| Tuning (Fb) | 38 Hz |
|---|---|
| Port | slot 1 × 14 5/16″, 29 1/16″ long |
| Port velocity at 300 W | 63 ft/s |
| F3 (−3 dB, no cabin gain) | 35 Hz |
| Example box (outside) | 14 11/16″ × 15 3/4″ × 12 13/16″ |
Deeper: 0.95 ft³ (27 L) tuned to 44 Hz, 23 1/4″ × 15 3/4″ × 8 1/16″ 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 | 10″ |
|---|---|
| Voice coils | dual 2 Ω |
| RMS power | — |
| Fs | 39 Hz |
| Qts | 0.44 |
| Qes | 0.48 |
| Qms | 5.5 |
| Vas | 0.60 ft³ |
| Re (one coil) | 2.5 Ω |
|---|---|
| Sd | 50 in² |
| Xmax | 0.63″ |
| Vd | 31.5 in³ calc. |
| Mms | 144 g calc. |
| BL | 13.6 T·m calc. |
| EBP | 81 — sealed or ported calc. |
| Sensitivity, 1 W / 1 m | 85.2 dB calc. |
Mounting dimensions
| Cutout diameter | 9 1/4″ |
|---|---|
| Mounting depth | 5 1/2″ |
| Overall diameter | 10 1/2″ |
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.
- F-150 SuperCrew — under the rear seat sealed and ported box
- Ram Crew Cab — under the rear seat sealed and ported box
- Tacoma Double Cab — under the rear seat sealed and ported box
- Tacoma Access Cab — behind the front seats sealed and ported box
- 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
- Polaris RZR / Ranger — under the seat sealed box
- Can-Am — under the seat 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
- Tesla Model 3 — well under the trunk floor sealed and ported box
- Club Car Precedent — under the rear seat sealed and ported 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 Orion 10″ models
- Orion 2NT 10 DVC 10″ · dual 4 Ω
- Orion 2NT 10 SVC 10″ · 4 Ω
- Orion CO104D (Cobalt 10" DVC 4ohm, older Cobalt) 10″ · dual 4 Ω
- Orion Cobalt 10 DVC (1999) 10″ · dual 4 Ω
- Orion Cobalt 10 DVC (original) 10″ · dual 4 Ω
- Orion Cobalt 10 SVC (1999) 10″ · 4 Ω
- Orion Cobalt 10 SVC (original) 10″ · 4 Ω
- Orion HCCA 10D 10″ · dual 2 Ω
- Orion HCCA102 (HCCA 10" DVC 2ohm) 10″ · dual 2 Ω
- Orion HCCA104 (HCCA 10" DVC 4ohm) 10″ · dual 4 Ω
- Orion NT 10 DVC 10″ · dual 4 Ω
- Orion NT 10 SVC 10″ · 4 Ω
Similar 10″ subwoofers from other brands
Close in Fs, Qts and Vas — a box of similar volume will suit them.
- DC Audio Level 1 10 D2 0.46 ft³ sealed · 0.81 ft³ ported
- DC Audio Level 1 10 D4 0.46 ft³ sealed · 0.81 ft³ ported
- American Bass HAWKSLIM-1022 0.49 ft³ sealed · 0.85 ft³ ported
- CT Sounds TROPO-XL-10 D2 0.53 ft³ sealed · 1.27 ft³ ported
- Machete ML-10S D2 0.49 ft³ sealed · 0.85 ft³ ported
- Kicker CompQ 10" 2-Ohm DVC (42CWQ102) 0.49 ft³ sealed · 0.85 ft³ ported
FAQ
What box does the Orion HCCA 10D (1999) need?
Recommended net volume: 0.46 ft³ sealed, 0.81 ft³ ported tuned to 38 Hz — for one sub in a sedan at 300 W. Fit the box to your space and amp in the free calculator, with plans and a cut sheet.
What are the Orion HCCA 10D (1999) Thiele/Small specs?
Fs 39 Hz, Qts 0.44, Vas 0.60 ft³, Xmax 0.63″, Sd 50 in².
What is the Orion HCCA 10D (1999) mounting depth?
Mounting depth is 5 1/2″, cutout diameter 9 1/4″. The inside depth of the box must exceed the mounting depth by at least 1″.
Is the Orion HCCA 10D (1999) better sealed or ported?
EBP 81: both work — sealed 0.46 ft³ is tighter and smaller, ported 0.81 ft³ tuned to 38 Hz is deeper and louder.
What port does the Orion HCCA 10D (1999) need?
For the 0.81 ft³ ported box tuned to 38 Hz: slot 1 × 14 5/16″, 29 1/16″ long, area 14.1 in²; or a round port Ø4 1/4″, ≈ 29 1/16″ long. Port air speed at 300 W: 63 ft/s.
What box do two Orion HCCA 10D (1999) subs need?
Two subs need twice the volume: 0.92 ft³ sealed, or 1.62 ft³ ported at the same 38 Hz tuning with twice the port area. One shared chamber or one per sub — whatever fits your vehicle.