RCF Speaker Drivers
RCF is represented in the Load Forge catalog by 82 speaker drivers, covering 8" to 21". Resonance (Fs) spans 28–310 Hz and total Q (Qts) 0.13–0.65, 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
82
Diameter
8"–21"
Fs Range
28–310 Hz
Qts Range
0.13–0.65
Price Range
31.7–1200
All RCF Speaker Drivers — parameters & designs
| Model | Size | Fs | Qts | Vas | Price |
|---|---|---|---|---|---|
| L8S800 | 8" | 60 Hz | 0.41 | 22 L | 76.56 EUR |
| MB8G200 | 8" | 76 Hz | 0.33 | 11 L | — |
| MB8N251 | 8" | 68 Hz | 0.25 | 13 L | 128.18 GBP |
| MR8N301 | 8" | 310 Hz | 0.37 | 2 L | 49.72 GBP |
| CX10G251 | 10" | 72 Hz | 0.28 | 33 L | — |
| CX10N251 | 10" | 72 Hz | 0.23 | 25 L | 231.19 GBP |
| L10-568H | 10" | 70 Hz | 0.38 | 29 L | 114.82 GBP |
| L10-750YK | 10" | 68 Hz | 0.24 | 26 L | 150.97 GBP |
| L10Y568 | 10" | 70 Hz | 0.38 | 29 L | — |
| MB10G251 | 10" | 76 Hz | 0.34 | 24 L | 114.82 GBP |
| MB10G253 | 10" | 76 Hz | 0.34 | 24 L | — |
| MB10G350 | 10" | 58 Hz | 0.31 | 34 L | — |
| MB10N251 | 10" | 55 Hz | 0.27 | 39 L | 146.26 GBP |
| MB10N305 | 10" | 60 Hz | 0.23 | 31 L | 220.19 GBP |
| MB10Y308 | 10" | 60 Hz | 0.23 | 31 L | — |
| MR10N301 | 10" | 250 Hz | 0.65 | 2 L | 279.16 GBP |
| CX12G251 | 12" | 61 Hz | 0.34 | 71 L | 31.70 GBP |
| CX12N251 | 12" | 60 Hz | 0.26 | 62 L | 94.28 EUR |
| CX12N351 | 12" | 58 Hz | 0.2 | 47 L | 435.65 GBP |
| L12L750 | 12" | 62 Hz | 0.27 | 52 L | 202.97 GBP |
| L12P110K | 12" | 44 Hz | 0.13 | 98 L | 180.07 GBP |
| lf12g301 | 12" | 43 Hz | 0.22 | 97 L | 132.89 GBP |
| LF12G801 | 12" | 43 Hz | 0.22 | 97 L | — |
| LF12P901 | 12" | 43 Hz | 0.22 | 97 L | — |
| LF12P903 | 12" | 47 Hz | 0.23 | 65 L | — |
| LF12X401 | 12" | 45 Hz | 0.27 | 50 L | 215.46 GBP |
| LF12Y308 | 12" | 43 Hz | 0.22 | 97 L | — |
| MB12G301 | 12" | 53 Hz | 0.27 | 72 L | 142.33 GBP |
| MB12N251 | 12" | 50 Hz | 0.34 | 83 L | 105.40 GBP |
| MB12N301 | 12" | 54 Hz | 0.24 | 71 L | 183.23 GBP |
| MB12N351 | 12" | 55 Hz | 0.2 | 61 L | 242.98 GBP |
| MB12N405 | 12" | 52 Hz | 0.2 | 53 L | 261.07 GBP |
| MB12X301 | 12" | 50 Hz | 0.29 | 70 L | 134.75 GBP |
| MB12X351 | 12" | 55 Hz | 0.26 | 46 L | 187.93 GBP |
| MB12Y358 | 12" | 55 Hz | 0.2 | 61 L | — |
| MB12Y800 | 12" | 55 Hz | 0.26 | 46 L | — |
| MB12Y901 | 12" | 55 Hz | 0.26 | 46 L | — |
| CX15G251 | 15" | 41 Hz | 0.39 | 219 L | — |
| CX15N251 | 15" | 55 Hz | 0.35 | 136 L | 267.36 GBP |
| CX15N351 | 15" | 55 Hz | 0.26 | 110 L | 453.72 GBP |
| L15-554K | 15" | 35 Hz | 0.24 | 227 L | 224.30 GBP |
| L15L601 | 15" | 38 Hz | 0.31 | 190 L | — |
| L15P200 AK-II | 15" | 38 Hz | 0.34 | 139 L | 195.14 GBP |
| L15P200AK | 15" | 38 Hz | 0.35 | 139 L | 195.14 GBP |
| L15P400 | 15" | 36 Hz | 0.25 | 160 L | 228.83 GBP |
| L15P530 | 15" | 45 Hz | 0.48 | 160 L | 173.78 GBP |
| L15P540 | 15" | 50 Hz | 0.39 | 100 L | 173.78 GBP |
| L15S801 | 15" | 48 Hz | 0.32 | 113 L | 220.19 GBP |
| L15Y548 | 15" | 50 Hz | 0.39 | 100 L | — |
| LF15G401 | 15" | 36 Hz | 0.26 | 150 L | 238.26 GBP |
| LF15N401 | 15" | 34 Hz | 0.22 | 160 L | 302.75 GBP |
| LF15N451 | 15" | 35 Hz | 0.18 | 125 L | — |
| LF15X401 | 15" | 34 Hz | 0.29 | 146 L | 252.42 GBP |
| LF15Y408 | 15" | 36 Hz | 0.26 | 150 L | — |
| M15P550 | 15" | 45 Hz | 0.37 | 140 L | — |
| MB15H401 | 15" | 44 Hz | 0.3 | 121 L | 187.03 GBP |
| MB15N301 | 15" | 48 Hz | 0.37 | 134 L | 197.38 GBP |
| MB15N351 | 15" | 42 Hz | 0.22 | 191 L | 261.07 GBP |
| MB15N401 | 15" | 42 Hz | 0.19 | 136 L | 274.40 GBP |
| MB15N405 | 15" | 46 Hz | 0.27 | 124 L | 302.75 GBP |
| MB15X301 | 15" | 38 Hz | 0.34 | 195 L | 181.90 GBP |
| MB15X351 | 15" | 46 Hz | 0.31 | 114 L | 238.26 GBP |
| MB15Y358 | 15" | 43.3 Hz | 0.22 | 191 L | — |
| L18P300 | 18" | 33 Hz | 0.33 | 226 L | 242.98 GBP |
| L18P400 | 18" | 29 Hz | 0.28 | 340 L | 289.00 GBP |
| L18S801 | 18" | 39 Hz | 0.29 | 206 L | 220.08 GBP |
| LF18G400 | 18" | 28 Hz | 0.27 | 360 L | 317.60 GBP |
| LF18G401 | 18" | 33 Hz | 0.29 | 268 L | 252.42 GBP |
| LF18G908 | 18" | 33 Hz | 0.29 | 268 L | — |
| LF18N401 | 18" | 32 Hz | 0.26 | 257 L | 320.83 GBP |
| LF18N405 | 18" | 30 Hz | 0.32 | 227 L | 325.54 GBP |
| LF18N408 | 18" | 30 Hz | 0.33 | 193 L | 416.66 EUR |
| LF18N451 | 18" | 31 Hz | 0.24 | 245 L | 435.65 GBP |
| LF18X400 | 18" | 28 Hz | 0.27 | 340 L | 408.12 GBP |
| LF18X401 | 18" | 30 Hz | 0.3 | 274 L | 289.00 GBP |
| LF18X451 | 18" | 30 Hz | 0.28 | 220 L | 399.00 GBP |
| LF18Y402 | 18" | 30 Hz | 0.3 | 274 L | — |
| LN19S400 | 19" | 32 Hz | 0.26 | 204 L | 1200.00 GBP |
| LF21N401 | 21" | 30 Hz | 0.37 | 374 L | 495.00 EUR |
| LF21N451 | 21" | 30 Hz | 0.26 | 375 L | 515.34 GBP |
| LF21N551 | 21" | 35 Hz | 0.33 | 200 L | 558.17 GBP |
| LF21X451 | 21" | 28 Hz | 0.37 | 385 L | 458.44 GBP |
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