Helix DB 10 Deep Blue (1x4 Ohm)
10″ subwoofer · 4 Ω · 200 W RMS
| Source | web.archive.org · manufacturer data |
|---|---|
| Checked against source | October 2026 |
| Thiele/Small parameters | complete |
| Mounting dimensions | 1 of 4 — missing: cutout, frame outer diameter, magnet diameter; the designer will use an estimate |
Recommended box
For a sedan, one sub, 200 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 · 0.70 |
|---|---|
| Fc | 68 Hz |
| F3 (−3 dB, no cabin gain) | 73 Hz |
| Example box (outside) | 12 3/16″ × 12 3/16″ × 9 11/16″ |
Ported
deeper, louder| Tuning (Fb) | 31 Hz |
|---|---|
| Port | slot 1 9/16 × 14 5/16″, 33 7/8″ long |
| Port velocity at 200 W | 39 ft/s |
| F3 (−3 dB, no cabin gain) | 34 Hz |
| Example box (outside) | 31 1/2″ × 15 3/4″ × 10 13/16″ |
Deeper: 1.06 ft³ (30 L) tuned to 39 Hz, 31 1/2″ × 15 3/4″ × 8 3/8″ 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 | 4 Ω |
| RMS power | 200 W |
| Fs | 28.3 Hz |
| Qts | 0.29 |
| Qes | 0.32 |
| Qms | 3.22 |
| Vas | 2.37 ft³ |
| Re | 3.2 Ω |
|---|---|
| Sd | 56.1 in² |
| Xmax | 0.28″ |
| Vd | 15.5 in³ calc. |
| Mms | 87 g calc. |
| BL | 12.5 T·m calc. |
| EBP | 88 — sealed or ported calc. |
| Sensitivity, 1 W / 1 m | 88.8 dB calc. |
Mounting dimensions
| Cutout diameter | ≈ 9 1/8″ |
|---|---|
| Mounting depth | 4 3/4″ |
Cone area (Sd) calculated from Fs, Vas and Mms: 56.1 in².
“≈” 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
- web.archive.org/web/20060311214924/http://www.audiotec-fischer.com/pdfs/Woofer_D
- web.archive.org/web/20061016233435/http://www.audiotec-fischer.com/pdfs/Helix%20
- web.archive.org/web/20070710072042/http://www.audiotec-fischer.com:80/pdfs/HELIX
Other Helix 10″ models
- Helix IK S10-DVC2 (2x2 Ohm) 10″ · dual 2 Ω
- Helix IK S10-SVC2 (1x2 Ohm) 10″ · 2 Ω
- Helix IK W10-DVC2 (2x2 Ohm) 10″ · dual 2 Ω
- Helix IK W10-SVC2 (1x2 Ohm) 10″ · 2 Ω
- Helix IQ W10-DVC2 (2x2 Ohm) 10″ · dual 2 Ω
- Helix K 10S-DVC2 (2x2 Ohm) 10″ · dual 2 Ω
- Helix K 10W-SVC2 (1x2 Ohm) 10″ · 2 Ω
- Helix W10 Competition (1x4 Ohm) 10″ · 4 Ω
Similar 10″ subwoofers from other brands
Close in Fs, Qts and Vas — a box of similar volume will suit them.
- Rockford Fosgate Punch Power RFR-1410 (1996) 0.49 ft³ sealed · 1.62 ft³ ported
- Lanzar MAX10 0.49 ft³ sealed · 1.55 ft³ ported
- Orion Xtreme 10 DVC 0.46 ft³ sealed · 1.48 ft³ ported
- Elemental Designs 11Kv.2 0.49 ft³ sealed · 1.62 ft³ ported
- Mmats ProCast10 D4 0.46 ft³ sealed · 1.55 ft³ ported
- Orion Cobalt 10 DVC (1999) 0.60 ft³ sealed · 1.48 ft³ ported
FAQ
What box does the Helix DB 10 Deep Blue (1x4 Ohm) need?
Recommended net volume: 0.49 ft³ sealed, 1.66 ft³ ported tuned to 31 Hz — for one sub in a sedan at 200 W. Fit the box to your space and amp in the free calculator, with plans and a cut sheet.
What are the Helix DB 10 Deep Blue (1x4 Ohm) Thiele/Small specs?
Fs 28.3 Hz, Qts 0.29, Vas 2.37 ft³, Xmax 0.28″, Sd 56.1 in².
What is the Helix DB 10 Deep Blue (1x4 Ohm) mounting depth?
Mounting depth is 4 3/4″. The inside depth of the box must exceed the mounting depth by at least 1″.
How much power does the Helix DB 10 Deep Blue (1x4 Ohm) handle and how do I wire it?
RMS power rating: 200 W. Wiring for several subs and amp power — in the wiring calculator.