Orion 2NT 15 DVC
15″ subwoofer · dual 4 Ω
| 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) | Tight and punchy · 0.80 |
|---|---|
| Fc | 58 Hz |
| F3 (−3 dB, no cabin gain) | 56 Hz |
| Example box (outside) | 16 15/16″ × 16 15/16″ × 14 1/8″ |
Ported
deeper, louder| Tuning (Fb) | 30 Hz |
|---|---|
| Port | slot 1 9/16 × 16 5/16″, 16″ long |
| Port velocity at 300 W | 57 ft/s |
| F3 (−3 dB, no cabin gain) | 33 Hz |
| Example box (outside) | 31 1/2″ × 17 11/16″ × 16 7/16″ |
Deeper: 4.06 ft³ (115 L) tuned to 29 Hz, 31 1/2″ × 17 11/16″ × 17 1/2″ 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 | 15″ |
|---|---|
| Voice coils | dual 4 Ω |
| RMS power | — |
| Fs | 18 Hz |
| Qts | 0.25 |
| Qes | 0.26 |
| Qms | 5.53 |
| Vas | 14.80 ft³ |
| Re (one coil) | 3.3 Ω |
|---|---|
| Sd | 128 in² |
| Xmax | 0.41″ |
| Vd | 52.9 in³ calc. |
| Mms | 180 g calc. |
| BL | 16.1 T·m calc. |
| EBP | 69 — sealed or ported calc. |
| Sensitivity, 1 W / 1 m | 91.7 dB calc. |
Mounting dimensions
| Cutout diameter | 13 7/8″ |
|---|---|
| Mounting depth | 6 3/4″ |
| Overall diameter | 15 1/2″ |
“≈” 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 15″ models
- Orion 2NT 15 SVC 15″ · 4 Ω
- Orion Cobalt 15 DVC (1999) 15″ · dual 4 Ω
- Orion Cobalt 15 DVC (original) 15″ · dual 4 Ω
- Orion Cobalt 15 SVC (1999) 15″ · 4 Ω
- Orion Cobalt 15 SVC (original) 15″ · 4 Ω
- Orion HCCA 15D 15″ · dual 2 Ω
- Orion HCCA 15D (1999) 15″ · dual 2 Ω
- Orion HCCA152 (HCCA 15" DVC 2ohm) 15″ · dual 2 Ω
- Orion HCCA152SPL (HCCA SPL 15" DVC 2ohm) 15″ · dual 2 Ω
- Orion HCCA154 (HCCA 15" DVC 4ohm) 15″ · dual 4 Ω
- Orion HCCA154SPL (HCCA SPL 15" DVC 4ohm) 15″ · dual 4 Ω
- Orion NT 15 DVC 15″ · dual 4 Ω
Similar 15″ subwoofers from other brands
Close in Fs, Qts and Vas — a box of similar volume will suit them.
- Rockford Fosgate Punch XLC RFP-1415 (1996) 3.04 ft³ sealed · 3.96 ft³ ported
- Dayton Audio DCS385-4 3.00 ft³ sealed · 6.00 ft³ ported
- Audiobahn AW1571X 2.61 ft³ sealed · 3.67 ft³ ported
- Rockford Fosgate Power RFR2215 (2000) 2.19 ft³ sealed · 3.67 ft³ ported
- Kicker Comp 15" 8-Ohm SVC (C158) 3.04 ft³ sealed · 3.92 ft³ ported
- Earthquake Magma-15X 1.27 ft³ sealed · 4.10 ft³ ported
FAQ
What box does the Orion 2NT 15 DVC need?
Recommended net volume: 1.59 ft³ sealed, 3.78 ft³ ported tuned to 30 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 2NT 15 DVC Thiele/Small specs?
Fs 18 Hz, Qts 0.25, Vas 14.80 ft³, Xmax 0.41″, Sd 128 in².
What is the Orion 2NT 15 DVC mounting depth?
Mounting depth is 6 3/4″, cutout diameter 13 7/8″. The inside depth of the box must exceed the mounting depth by at least 1″.