Precision Devices Speaker Drivers
Precision Devices is represented in the Load Forge catalog by 84 speaker drivers, covering 8" to 24". Resonance (Fs) spans 20–79.3 Hz and total Q (Qts) 0.144–0.52, so the range covers both compact sealed alignments and large vented subwoofers. Every entry below links to its Thiele/Small parameters and calculated sealed and bass-reflex box designs.
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Drivers
84
Diameter
8"–24"
Fs Range
20–79.3 Hz
Qts Range
0.144–0.52
Price Range
77.39–1259
Filter Precision Devices Speaker Drivers by diameter
All Precision Devices Speaker Drivers — parameters & designs
| Model | Size | Fs | Qts | Vas | Price |
|---|---|---|---|---|---|
| PD.8BM20.8 | 8" | 49 Hz | 0.4 | 22.2 L | — |
| PD8BM20 | 8" | 49 Hz | 0.4 | 22.2 L | — |
| PDN.8BM31.8 | 8" | 79.3 Hz | 0.42 | 13.3 L | — |
| PDN.8BM32.8 | 8" | 65.9 Hz | 0.31 | 19.5 L | — |
| PDN8BM32 | 8" | 65.9 Hz | 0.31 | 19.5 L | — |
| PD.10251 | 10" | 45 Hz | 0.177 | 57 L | — |
| PD.103NR1.8 | 10" | 65 Hz | 0.212 | 36 L | 240.00 EUR |
| PDN.10MH25.8 | 10" | 73.7 Hz | 0.23 | 23.7 L | — |
| PDN10MH25 | 10" | 73.7 Hz | 0.23 | 23.7 L | — |
| PD.121.8 | 12" | 53.3 Hz | 0.23 | 66.6 L | 162.65 EUR |
| PD.121/2.8 | 12" | 53.3 Hz | 0.23 | 66.6 L | 199.00 EUR |
| PD.122.8 | 12" | 59.2 Hz | 0.24 | 44 L | — |
| PD.1225C001.8 | 12" | 39 Hz | 0.189 | 156 L | — |
| PD.123C001.8 | 12" | 35 Hz | 0.144 | 122 L | 185.00 EUR |
| PD.123C01.8 | 12" | 46 Hz | 0.31 | 66.8 L | — |
| PD.123ER | 12" | 55.9 Hz | 0.29 | 54.5 L | 170.66 GBP |
| PD.123NR1.8 | 12" | 43 Hz | 0.2 | 96 L | — |
| PD.124NR1-LR.8 | 12" | 45 Hz | 0.225 | 78 L | 260.00 EUR |
| PD.124NR1.8-1 | 12" | 58 Hz | 0.35 | 49 L | 260.00 EUR |
| PD.12SB30.8 | 12" | 46.8 Hz | 0.31 | 66.8 L | 77.39 GBP |
| PD122 | 12" | 59.2 Hz | 0.24 | 44 L | — |
| PD123C01 | 12" | 46 Hz | 0.31 | 66.8 L | — |
| PD12SB30 | 12" | 46.8 Hz | 0.31 | 66.8 L | 77.39 GBP |
| PDN.12MH25.8 | 12" | 58.1 Hz | 0.24 | 64.5 L | — |
| PDN.12SB40.8 | 12" | 49.9 Hz | 0.32 | 45.8 L | — |
| PD.153C001.8 | 15" | 38 Hz | 0.223 | 196 L | — |
| PD.153C002.8 | 15" | 38 Hz | 0.249 | 263 L | 226.00 EUR |
| PD.153ER | 15" | 40 Hz | 0.21 | 218.8 L | 171.41 GBP |
| PD.153NR1.8 | 15" | 42 Hz | 0.364 | 191 L | — |
| PD.154C001.8 | 15" | 45 Hz | 0.311 | 128 L | 260.00 EUR |
| PD.154NR1.8 | 15" | 46 Hz | 0.4 | 158 L | — |
| PD.155NR1.8 | 15" | 37 Hz | 0.228 | 140 L | — |
| PD.158.8 | 15" | 54.6 Hz | 0.24 | 64.8 L | — |
| PD.15BR40.8 | 15" | 38.4 Hz | 0.32 | 140.2 L | — |
| PD.2450 24" | 15" | 20 Hz | 0.3 | 400 L | 899.00 EUR |
| PD158 | 15" | 39.9 Hz | 0.205 | 161.9 L | — |
| PDN.15BR40.8 | 15" | 39.2 Hz | 0.38 | 140.1 L | 331.32 GBP |
| PDN.15SB40.8 | 15" | 50.2 Hz | 0.27 | 83.5 L | 397.91 GBP |
| PD.153C01.8 | 16" | 39 Hz | 0.27 | 195 L | — |
| PD.154.8 | 16" | 44.9 Hz | 0.27 | 114.9 L | 205.85 EUR |
| PD.154/2.8 | 16" | 44.9 Hz | 0.27 | 114.9 L | 250.00 EUR |
| PD.1550.8 | 16" | 46.2 Hz | 0.29 | 126.4 L | 234.92 EUR |
| PD.1550/2.8 | 16" | 46.2 Hz | 0.29 | 126.4 L | 275.00 EUR |
| PD.155N01.8 | 16" | 45 Hz | 0.31 | 113.4 L | — |
| PD.156.8 | 16" | 50.2 Hz | 0.47 | 93.4 L | 215.17 EUR |
| PD155N01 | 16" | 45 Hz | 0.31 | 113.4 L | — |
| PD.181200 | 18" | 34.5 Hz | 0.489 | 255 L | — |
| PD.184.8 | 18" | 33.4 Hz | 0.27 | 304 L | 250.00 EUR |
| PD.1845-1N | 18" | 34.1 Hz | 0.324 | 179 L | 378.40 GBP |
| PD.1845-2N | 18" | 35 Hz | 0.388 | 157 L | 499.00 EUR |
| PD.184C001.8 | 18" | 34 Hz | 0.31 | 305 L | — |
| PD.184C002 | 18" | 40 Hz | 0.34 | 268 L | — |
| PD.184C01.8 | 18" | 30 Hz | 0.23 | 337.1 L | — |
| PD.184NR1.8 | 18" | 38 Hz | 0.27 | 102 L | — |
| PD.1850.3.8 | 18" | 33.1 Hz | 0.24 | 203.8 L | 481.00 EUR |
| PD.1850/3 | 18" | 30 Hz | 0.22 | 245 L | 481.00 EUR |
| PD.1851/2.8 | 18" | 37 Hz | 0.26 | 160.5 L | — |
| PD.1852.8 | 18" | 41.9 Hz | 0.33 | 120.4 L | — |
| PD.1852/2.8 | 18" | 41.9 Hz | 0.33 | 120.4 L | 471.00 EUR |
| PD.185C001.8 | 18" | 32 Hz | 0.403 | 302 L | 281.00 EUR |
| PD.185C003.8 | 18" | 33 Hz | 0.24 | 224 L | 431.00 EUR |
| PD.185N002.8 | 18" | 36 Hz | 0.3 | 226 L | — |
| PD.185N01 | 18" | 35.6 Hz | 0.39 | 174.5 L | — |
| PD.185N02.8 | 18" | 35.2 Hz | 0.24 | 178.3 L | — |
| PD.185NR1.8 | 18" | 34 Hz | 0.27 | 102 L | — |
| PD.186/2.8 | 18" | 34.2 Hz | 0.52 | 192.2 L | 309.00 EUR |
| PD.188.8 | 18" | 36.2 Hz | 0.26 | 201.7 L | 248.96 EUR |
| PD.188/2.8 | 18" | 36.2 Hz | 0.26 | 201.7 L | — |
| PD.18BR40.8 | 18" | 30 Hz | 0.32 | 309 L | — |
| PD1850/2.8 | 18" | 33.1 Hz | 0.24 | 203.8 L | 399.00 GBP |
| PD185N02 | 18" | 35.2 Hz | 0.24 | 178.3 L | — |
| PDN.1852.8 | 18" | 41.9 Hz | 0.33 | 120.4 L | — |
| PDN.18BR40.8 | 18" | 30.1 Hz | 0.37 | 314.7 L | — |
| PDN.18SB40.8 | 18" | 37.3 Hz | 0.26 | 211.3 L | — |
| PDN1852 | 18" | 41.9 Hz | 0.33 | 120.4 L | — |
| PD.2150 | 21" | 26 Hz | 0.24 | 490 L | 720.00 GBP |
| PD.2150.8 | 24" | 29.5 Hz | 0.27 | 309.3 L | — |
| PD.2155-1F | 24" | 35 Hz | 0.339 | 266 L | — |
| PD.2155-1N | 24" | 33 Hz | 0.36 | 241 L | 613.97 GBP |
| PD.2160-1N | 24" | 35 Hz | 0.3 | 177 L | 879.04 GBP |
| PD.2450.8 | 24" | 32.4 Hz | 0.33 | 404.9 L | — |
| PD.24603BR | 24" | 34 Hz | 0.31 | 355 L | 1259.00 EUR |
| PDN.2151.8 | 24" | 31.4 Hz | 0.28 | 303.4 L | — |
| PDN2450 | 24" | 32 Hz | 0.36 | 459.7 L | — |
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