Impero 1A Small Vented Design By Jerry McNutt, Eminence Speaker LLC 5 Watt Design; F3 at 9 Hz. Use a steep high pass filter at 35 Hz. Super Compact Subwoofer. Will not go very low, but gets very Loud! Box Properties Name: Type: Vented Box Shape: Prism, square --Box Parameters-- Vb =.5 cu.ft V(total) = 5.7 cu.ft Fb = 5 Hz QL = 7 F3 = 9.1 Hz Fill = minimal --Vents-- No. of Vents = Vent shape = round Vent ends = one flush Dv = in Lv =.95 in Normalized Amplitude Response (-SPL/Hz) - - -1 - -3-3 Custom Amplitude Response (-SPL/Hz at 1 m) with 5 watts Driver Properties Name: Impero 1A Type: Standard one-way driver Company: Eminence Speaker LLC Comment: 1" Pro Sound Woofer, ohm --Configuration-- No. of Drivers = 1 --Mechanical Parameters-- Fs = 33.17 Hz Qms = 1. Vas = 317 liters Cms =.17 mm/n Mms = 139.5 g Rms =.7 kg/s Xmax = mm Xmech =.17 mm P-Dia = 3 mm Sd = 1159 sq.cm P-Vd =.917 liters --Electrical Parameters-- Qes =. Re = 5.1 ohms Le = 1.7 mh Z = ohms BL = 1.9 Tm Pe = watts --Electromech. Parameters-- Qts =.3 no =.535 % 1-W SPL = 9.19.3-V SPL = 97.9 133 7 1 115 9 3 97 91 133 7 1 115 9 3 97 91 Maximum Acoustic Power (-SPL/Hz at 1 m) File: Impero1ASmallVented5Watts.bb
Page Two -- Impero1ASmallVented5Watts.bb Maximum Electric Input Power (W/Hz) watts Cone Displacement (mm/hz) with 5 watts mm 1 1 Vent Air Velocity (m/sec/hz) with 5 watts m/s 3 3 1
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Impero 1A Medium Vented Design By Jerry McNutt, Eminence Speaker LLC 7 Watt Design; F3 at 5 Hz. Use steep high pass at 35 Hz. Compact Subwoofer design. Box Properties Name: Type: Vented Box Shape: Cube --Box Parameters-- Vb = 5.75 cu.ft V(total) =. cu.ft Fb = 5 Hz QL = 7 F3 = 5. Hz Fill = minimal --Vents-- No. of Vents = Vent shape = round Vent ends = one flush Dv = in Lv =. in Normalized Amplitude Response (-SPL/Hz) - - -1 - -3-3 Custom Amplitude Response (-SPL/Hz at 1 m) with 7 watts Driver Properties Name: Impero 1A Type: Standard one-way driver Company: Eminence Speaker LLC Comment: 1" Pro Sound Woofer, ohm --Configuration-- No. of Drivers = 1 --Mechanical Parameters-- Fs = 33.17 Hz Qms = 1. Vas = 317 liters Cms =.17 mm/n Mms = 139.5 g Rms =.7 kg/s Xmax = mm Xmech =.17 mm P-Dia = 3 mm Sd = 1159 sq.cm P-Vd =.917 liters --Electrical Parameters-- Qes =. Re = 5.1 ohms Le = 1.7 mh Z = ohms BL = 1.9 Tm Pe = watts --Electromech. Parameters-- Qts =.3 no =.535 % 1-W SPL = 9.19.3-V SPL = 97.9 13 1 11 9 9 133 7 1 115 9 3 97 91 Maximum Acoustic Power (-SPL/Hz at 1 m) File: Impero1AMedVented7Watts.bb
Page Two -- Impero1AMedVented7Watts.bb Maximum Electric Input Power (W/Hz) watts Cone Displacement (mm/hz) with 7 watts mm 1 1 Vent Air Velocity (m/sec/hz) with 7 watts m/s 3 3 1
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Impero 1A Large Vented Sub Design By Jerry McNutt, Eminence Speaker LLC Watt Design; F3 at 1 Hz. Use steep high pass at 3 Hz. Box Properties Name: Type: Vented Box Shape: Cube --Box Parameters-- Vb = cu.ft V(total) =.9 cu.ft Fb = Hz QL = 7 F3 = 1.35 Hz Fill = minimal --Vents-- No. of Vents = Vent shape = round Vent ends = one flush Dv = in Lv = 5.351 in Normalized Amplitude Response (-SPL/Hz) - - -1 - -3-3 Custom Amplitude Response (-SPL/Hz at 1 m) with watts Driver Properties Name: Impero 1A Type: Standard one-way driver Company: Eminence Speaker LLC Comment: 1" Pro Sound Woofer, ohm --Configuration-- No. of Drivers = 1 --Mechanical Parameters-- Fs = 33.17 Hz Qms = 1. Vas = 317 liters Cms =.17 mm/n Mms = 139.5 g Rms =.7 kg/s Xmax = mm Xmech =.17 mm P-Dia = 3 mm Sd = 1159 sq.cm P-Vd =.917 liters --Electrical Parameters-- Qes =. Re = 5.1 ohms Le = 1.7 mh Z = ohms BL = 1.9 Tm Pe = watts --Electromech. Parameters-- Qts =.3 no =.535 % 1-W SPL = 9.19.3-V SPL = 97.9 13 11 1 9 133 7 1 115 9 3 97 91 Maximum Acoustic Power (-SPL/Hz at 1 m) File: Impero1ALargeVentedWatts.bb
Page Two -- Impero1ALargeVentedWatts.bb Maximum Electric Input Power (W/Hz) watts Cone Displacement (mm/hz) with watts mm 1 1 Vent Air Velocity (m/sec/hz) with watts m/s 3 3 1
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Impero 1A Two By 1 Large Vented Subwoofer By Jerry McNutt, Eminence Speaker LLC Watt Design; F3 at 1 Hz. Use steep high pass at 3 Hz. Best if built divided and keep ports symmetrically placed. Two by 1" Woofer. Box Properties Name: Type: Vented Box Shape: Prism, square (optimum) --Box Parameters-- Vb = 1 cu.ft V(total) = 1.9 cu.ft Fb = 39 Hz QL = 7 F3 =.51 Hz Fill = minimal --Vents-- No. of Vents = Vent shape = round Vent ends = one flush Dv = in Lv =.51 in Normalized Amplitude Response (-SPL/Hz) - - -1 - -3-3 Custom Amplitude Response (-SPL/Hz at 1 m) with watts Driver Properties Name: Impero 1A Type: Standard one-way driver Company: Eminence Speaker LLC Comment: 1" Pro Sound Woofer, ohm --Configuration-- No. of Drivers = Mounting = Standard Wiring = Parallel Drivers sum coherently = Yes --Mechanical Parameters-- Fs = 33.17 Hz Qms = 1. Vas = 317 liters [3] Cms =.17 mm/n [.5] Mms = 139.5 g [79] Rms =.7 kg/s [.1] Xmax = mm Xmech =.17 mm P-Dia = 3 mm [5.] Sd = 1159 sq.cm [31] P-Vd =.917 liters [1.3] --Electrical Parameters-- Qes =. Re = 5.1 ohms [.75] Le = 1.7 mh [.735] Z = ohms [] BL = 1.9 Tm [1.91] Pe = watts [] --Electromech. Parameters-- Qts =.3 no =.535 % [5.7] 1-W SPL = 9.19 [99.].3-V SPL = 97.9 [3.9] 137 131 5 119 113 7 1 File: Impero1ATwoBy1LargeVentedWatts.bb 95 139 133 7 1 115 9 3 97 Maximum Acoustic Power (-SPL/Hz at 1 m)
Page Two -- Impero1ATwoBy1LargeVentedWatts.bb Maximum Electric Input Power (W/Hz) watts Cone Displacement (mm/hz) with watts mm 1 1 Vent Air Velocity (m/sec/hz) with watts m/s 3 3 1
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Impero 1 A, x1 Medium Vented Sub Design By Jerry McNutt, Eminence Speaker LLC Watt Design; F3 at Hz. Use steep high pass at 35 Hz. Best if built divided and keep ports symmetrically placed. Two by 1 Sub. Box Properties Name: Type: Vented Box Shape: Prism, square (optimum) --Box Parameters-- Vb = cu.ft V(total) = 13.1 cu.ft Fb = Hz QL = 7 F3 = 3.77 Hz Fill = minimal --Vents-- No. of Vents = Vent shape = round Vent ends = one flush Dv = in Lv =.91 in Normalized Amplitude Response (-SPL/Hz) - - -1 - -3-3 Custom Amplitude Response (-SPL/Hz at 1 m) with watts Driver Properties Name: Impero 1A Type: Standard one-way driver Company: Eminence Speaker LLC Comment: 1" Pro Sound Woofer, ohm --Configuration-- No. of Drivers = Mounting = Standard Wiring = Parallel Drivers sum coherently = Yes --Mechanical Parameters-- Fs = 33.17 Hz Qms = 1. Vas = 317 liters [3] Cms =.17 mm/n [.5] Mms = 139.5 g [79] Rms =.7 kg/s [.1] Xmax = mm Xmech =.17 mm P-Dia = 3 mm [5.] Sd = 1159 sq.cm [31] P-Vd =.917 liters [1.3] --Electrical Parameters-- Qes =. Re = 5.1 ohms [.75] Le = 1.7 mh [.735] Z = ohms [] BL = 1.9 Tm [1.91] Pe = watts [] --Electromech. Parameters-- Qts =.3 no =.535 % [5.7] 1-W SPL = 9.19 [99.].3-V SPL = 97.9 [3.9] 13 13 1 11 File: Impero1ATwoBy1MedVentedWatts.bb 9 139 133 7 1 115 9 3 97 Maximum Acoustic Power (-SPL/Hz at 1 m)
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Impero 1A Two By 1 Small Vented Woofer Design By Jerry McNutt, Eminence Speaker LLC 17 Watt Design; F3 at 5 Hz. Use steep high pass at Hz. Best if built divided and keep ports symmetrically placed. Two by 1" Woofer. Box Properties Name: Type: Vented Box Shape: Prism, square (optimum) --Box Parameters-- Vb = cu.ft V(total) = 9.1 cu.ft Fb = 5 Hz QL = 7 F3 = 5. Hz Fill = minimal --Vents-- No. of Vents = Vent shape = round Vent ends = one flush Dv = in Lv = 7.35 in Normalized Amplitude Response (-SPL/Hz) - - -1 - -3-3 Custom Amplitude Response (-SPL/Hz at 1 m) with 17 watts Driver Properties Name: Impero 1A Type: Standard one-way driver Company: Eminence Speaker LLC Comment: 1" Pro Sound Woofer, ohm --Configuration-- No. of Drivers = Mounting = Standard Wiring = Parallel Drivers sum coherently = Yes --Mechanical Parameters-- Fs = 33.17 Hz Qms = 1. Vas = 317 liters [3] Cms =.17 mm/n [.5] Mms = 139.5 g [79] Rms =.7 kg/s [.1] Xmax = mm Xmech =.17 mm P-Dia = 3 mm [5.] Sd = 1159 sq.cm [31] P-Vd =.917 liters [1.3] --Electrical Parameters-- Qes =. Re = 5.1 ohms [.75] Le = 1.7 mh [.735] Z = ohms [] BL = 1.9 Tm [1.91] Pe = watts [] --Electromech. Parameters-- Qts =.3 no =.535 % [5.7] 1-W SPL = 9.19 [99.].3-V SPL = 97.9 [3.9] 139 133 7 1 115 9 3 File: Impero1ATwoBy1SmallVented17Watts.bb 97 139 133 7 1 115 9 3 97 Maximum Acoustic Power (-SPL/Hz at 1 m)
Page Two -- Impero1ATwoBy1SmallVented17Watts.bb Maximum Electric Input Power (W/Hz) watts Cone Displacement (mm/hz) with 17 watts mm 1 1 Vent Air Velocity (m/sec/hz) with 17 watts m/s 3 3 1
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