Acr Speaker Speaker Drivers
Acr Speaker is represented in the Load Forge catalog by 45 speaker drivers, covering 5" to 21". Resonance (Fs) spans 27–88 Hz and total Q (Qts) 0.26–1.38, 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
45
Diameter
5"–21"
Fs Range
27–88 Hz
Qts Range
0.26–1.38
All Acr Speaker Speaker Drivers — parameters & designs
| Model | Size | Fs | Qts | Vas | Price |
|---|---|---|---|---|---|
| 3MN0445-00 (5in CURVE 538) Rev-1 | 5" | 74 Hz | 0.75 | 6.4 L | — |
| 538 CURVE | 5" | 68.2 Hz | 0.62 | 8.7 L | — |
| 3MN0449-00 (6in CURVE-648) | 6" | 64 Hz | 0.95 | 12.7 L | — |
| 638 CURVE | 6" | 49.6 Hz | 0.68 | 15.2 L | — |
| 648-curve | 6" | 64 Hz | 0.95 | 12.7 L | — |
| C-630 WH | 6" | 51.9 Hz | 0.78 | 20.4 L | — |
| 3MN0448-00-A (MN-CURVE 638) | 6.5" | 60 Hz | 0.8 | 13.3 L | — |
| 3MN0454-00 (8in CURVE-848) rev-1 | 8" | 32 Hz | 0.6 | 69.1 L | — |
| 3MN0709-00 (ARRAY 2050 M FAB ACR SRS BATIK EDT GENERAL SPEC) | 8" | 88 Hz | 0.53 | 9.5 L | — |
| 3MN0720-00 (ARRAY 60086-N FAB ACR GENERAL SPEC) | 8" | 62 Hz | 0.36 | 15.4 L | — |
| 848-curve | 8" | 32 Hz | 0.6 | 69.1 L | — |
| array-2050-batik-version | 8" | 88 Hz | 0.53 | 9.5 L | — |
| array-60086-n | 8" | 62 Hz | 0.36 | 15.4 L | — |
| 3MN0647-00 (MN-C-1018-HW CURVE) | 10" | 44 Hz | 1.38 | 93.9 L | — |
| 3MN0666-00-R2 (MN-75105 FAB ACR SERIES) | 10" | 59 Hz | 0.4 | 23.4 L | — |
| 75105-fab | 10" | 59 Hz | 0.4 | 23.4 L | — |
| c-1018-hw-curve | 10" | 44 Hz | 1.38 | 93.9 L | — |
| 12 ARRAY 3060 M FABULOUS | 12" | 49.9 Hz | 0.38 | 71.1 L | — |
| 1238-mk1-pc-acr-classic-new | 12" | 43 Hz | 0.92 | 125.3 L | — |
| 1240-mk2-pa-classic | 12" | 45 Hz | 0.39 | 121.2 L | — |
| 12500-black | 12" | 55 Hz | 0.76 | 63.8 L | — |
| 127150-deluxe-by-acr | 12" | 58 Hz | 0.26 | 48.4 L | — |
| 1280-mk1-acr-black-magic | 12" | 45 Hz | 0.46 | 92.4 L | — |
| 30601-desibel | 12" | 46 Hz | 0.49 | 87.3 L | — |
| 30h120srw38b-mk1-acr-pro | 12" | 29 Hz | 0.53 | 244.5 L | — |
| 3MN0520-00 (12in PA-12900 PRE) Rev-1 | 12" | 48 Hz | 0.31 | 56.5 L | — |
| 3MN0677-00 (1238-Mk1 PC ACR CLS NEW GENERAL SPEC) | 12" | 43 Hz | 0.92 | 125.3 L | — |
| 3MN0679-00 (1240-Mk2 PA ACR CLASSIC GENERAL SPEC) | 12" | 45 Hz | 0.39 | 121.2 L | — |
| 3MN0689-00 (ACR-12500 BLACK GENERAL SPEC) | 12" | 55 Hz | 0.76 | 63.8 L | — |
| pa-12900-premier-by-acr | 12" | 48 Hz | 0.31 | 56.5 L | — |
| pa-75127-w-n-fab-by-acr | 12" | 52 Hz | 0.38 | 48.3 L | — |
| 15400 PRO NEW | 15" | 40.7 Hz | 0.83 | 214.3 L | — |
| 15600 BLACK | 15" | 42 Hz | 0.56 | 171.7 L | — |
| 15710-dlx | 15" | 47.2 Hz | 0.5 | 105.8 L | — |
| 3MN0670-00-R3 (MN-15710 DLX ACR SERIES) | 15" | 47 Hz | 0.5 | 105.8 L | — |
| acr-15400-pro-new | 15" | 45 Hz | 0.66 | 228.6 L | — |
| acr-15500-black-platinum | 15" | 45 Hz | 0.64 | 155.1 L | — |
| 3MN0399-00 (MN-PA-18838 EXCEL) REV-3 | 18" | 32 Hz | 0.39 | 359.1 L | — |
| 3MN0676-00 (451006-Mk1 DESIBEL GENERAL SPEC) | 18" | 27 Hz | 0.39 | 447.3 L | — |
| 451006-desibel | 18" | 28 Hz | 0.45 | 371.5 L | — |
| 451006-mk1-desibel | 18" | 27 Hz | 0.39 | 447.3 L | — |
| pa-127188-sw | 18" | 37 Hz | 0.34 | 141.6 L | — |
| pa-18838-excel-by-acr | 18" | 32 Hz | 0.39 | 359.1 L | — |
| PrintMerge1 | 18" | 37 Hz | 0.34 | 141.6 L | — |
| pa-113212-sw-fab-by-acr | 21" | 34 Hz | 0.54 | 318.5 L | — |
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