8.5" Speaker & Subwoofer Drivers
The Load Forge catalog contains 42 8.5" drivers from 15 manufacturers. Across the group, resonance (Fs) ranges from 20 to 130 Hz and total Q (Qts) from 0.23 to 1.23, which spans high-efficiency pro mid-bass units and dedicated subwoofer motors. Each driver links to its full enclosure design, port sizing and Thiele/Small parameters.
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Drivers
42
Brands
15
Diameter
8.5"
Fs Range
20–130 Hz
Qts Range
0.23–1.23
Price Range
36.22–3662
Filter 8.5" Speaker & Subwoofer Drivers by brand
All 8.5" Speaker & Subwoofer Drivers — parameters & designs
| Model | Brand | Size | Fs | Qts | Vas | Price |
|---|---|---|---|---|---|---|
| C220-11-221 | Accuton | 8.5" | 25 Hz | 0.4 | 95 L | 699.95 EUR |
| C220-6-221 | Accuton | 8.5" | 26.3 Hz | 0.4 | 86.2 L | 699.95 EUR |
| C220-6-222 | Accuton | 8.5" | 29.5 Hz | 0.26 | 74 L | 1399.95 EUR |
| S220-6-222 | Accuton | 8.5" | 25 Hz | 0.26 | 89.7 L | 1349.95 EUR |
| LD230TDR04 | Atohm | 8.5" | 38.6 Hz | 0.31 | 21 L | 372.00 EUR |
| LD230TDR08 | Atohm | 8.5" | 38.6 Hz | 0.26 | 21 L | 372.00 EUR |
| LD230TDR08M | Atohm | 8.5" | 26.3 Hz | 0.31 | 20 L | 372.00 EUR |
| 8NCX900 | Eighteen Sound | 8.5" | 130 Hz | 0.26 | 4 L | — |
| the fullrange driver (8 Ohm) | enviee | 8.5" | 51.2 Hz | 0.34 | 70.2 L | 680.00 EUR |
| HMX 8 8 S LD SW 2 | Hertz | 8.5" | 50 Hz | 0.58 | 29.5 L | — |
| HTX 8 M CL | Hertz | 8.5" | 51 Hz | 0.78 | 26.1 L | — |
| HTX 8 M CL TW TC | Hertz | 8.5" | 51 Hz | 0.78 | 26.1 L | — |
| HTX 8 M FL TW TC | Hertz | 8.5" | 51 Hz | 0.78 | 26.1 L | — |
| HTX 8 M FL W C | Hertz | 8.5" | 51 Hz | 0.78 | 26.1 L | — |
| 8W3v3-4 | JL Audio | 8.5" | 35 Hz | 0.43 | 15 L | 399.00 USD |
| 8W7AE-3 | JL Audio | 8.5" | 35 Hz | 0.45 | 18 L | 799.00 USD |
| EX4 | Lowther | 8.5" | 43 Hz | 0.26 | 56 L | 2500.00 EUR |
| PM4A | Lowther | 8.5" | 36 Hz | 0.23 | 62 L | 2200.00 EUR |
| PM5A | Lowther | 8.5" | 42 Hz | 0.25 | 55 L | 2000.00 EUR |
| SPH-220HQ | Monacor | 8.5" | 30 Hz | 0.4 | 80 L | 120.45 EUR |
| PTT8.0X04-NAB-01 | PURIFI | 8.5" | 26 Hz | 0.36 | 70.4 L | 699.95 EUR |
| PTT8.0X04-NAB-02 | PURIFI | 8.5" | 26 Hz | 0.36 | 70.4 L | 856.00 USD |
| PTT8.0X08-NAB-01 | PURIFI | 8.5" | 24 Hz | 0.35 | 74.5 L | 699.95 EUR |
| PTT8.0X08-NAB-02 | PURIFI | 8.5" | 24 Hz | 0.35 | 75 L | — |
| T3-BMW-SUB | Rockford Fosgate | 8.5" | 38 Hz | 0.49 | 40.6 L | — |
| RM88PRO | Rockville | 8.5" | 98.1 Hz | 0.657 | 12.5 L | — |
| 21W/8555-10 | Scan-Speak | 8.5" | 20 Hz | 0.31 | 133.9 L | 259.95 EUR |
| 21WE/4542T00 | Scan-Speak | 8.5" | 38 Hz | 0.28 | 54 L | 965.00 EUR |
| 21WE/8542T00 | Scan-Speak | 8.5" | 36 Hz | 0.38 | 54 L | 965.00 EUR |
| 22W/4534G00 | Scan-Speak | 8.5" | 30 Hz | 0.34 | 95 L | 116.00 EUR |
| 22W/8534G00 | Scan-Speak | 8.5" | 30 Hz | 0.39 | 94.2 L | 116.00 EUR |
| 23W/4557T00 | Scan-Speak | 8.5" | 21 Hz | 0.47 | 45 L | 439.95 EUR |
| H0282_P21REX | SEAS | 8.5" | 33 Hz | 0.37 | 68.9 L | — |
| H0333_CA21REX | SEAS | 8.5" | 31 Hz | 0.34 | 81.3 L | — |
| H0373_CA21RE4XDC | SEAS | 8.5" | 29 Hz | 0.28 | 76.9 L | — |
| H0397_CA21RE | SEAS | 8.5" | 31 Hz | 0.48 | 81.3 L | — |
| H0442_P21RE4XDC | SEAS | 8.5" | 31 Hz | 0.3 | 66.4 L | — |
| L0022-04S RW 220 | SEAS | 8.5" | 29 Hz | 0.36 | 74.3 L | 3662.00 NOK |
| WS 20 E - 4 Ohm | Visaton | 8.5" | 47 Hz | 1.14 | 39 L | 36.22 EUR |
| WS 20 E - 8 Ohm | Visaton | 8.5" | 47 Hz | 1.23 | 44 L | 36.22 EUR |
| SW215WA01 8-1/2" Balanced Drive Paper Cone Subwoofer 4 Ohm | Wavecor | 8.5" | 33 Hz | 0.49 | 26.1 L | 128.00 USD |
| SW215WA02 8-1/2" Balanced Drive Paper Cone Subwoofer 8 Ohm | Wavecor | 8.5" | 35 Hz | 0.49 | 26.1 L | 128.00 USD |
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