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Thiele Small Low Frequency Driver Parameters and Definitions

Rating

​NOTE:  The Parameters marked with an asterisk (*) are the minimum set required for a complete low-frequency system design.

SMALL SIGNAL

PARAMETER          DESCRIPTION                                                                                           UNITS

 

*fs                          Resonance frequency of driver in free-air                                                      hertz

*Qts                      Total Q of driver at “fs" including all driver loss mechanisms                           dimensionless

*Eff                        Reference efficiency no (half-space acoustic load)                                           %

VAS                       Volume of air having same acoustic compliance as driver

                             suspension                                                                                                  cubic feet

Qes                       Q of driver as “fs" considering electromagnetic damping

                             only                                                                                                            dimensionless

Qms                      Q of driver as “fs" considering mechanical loss mechanisms

                              only (non-electromagnetic)                                                                          dimensionless

Le                           Voice coil inductance                                                                                   mH

 

LARGE SIGNAL

PARAMETER         DESCRIPTION                                                                                            UNITS

 

*Pe(Max)                Thermally-limited maximum electrical input power                                        watts

Xmas                      Peak linear displacement of driver diaphragm                                                millimeters

SD                          Effective projected surface area of driver diaphragm                                      square meters

*VD                        Peak displacement volume of driver diaphragm (0 to peak)                            cubic inches

*RE                         dc resistance of driver voice coil                                                                  ohms

 

MISC. DATA

PARAMETER           DESCRIPTION                                                                                          UNITS

 

Dia                          Piston diameter                                                                                          inches

BL                           BL Product                                                                                                 N/A

Mms                        Effective moving mass                                                                                 grams

flux                          Flux density                                                                                               tesla


                                                                                ** Excel sheet available, see dowloads section ** 

              
MODELFSQTSQMSQESVASEFFPEXMAXRELESDBLMMSFLUX*
112A400.2140.22340.9602.795.80.30.01812220.95
116A280.4650.5173.60.3504.835.20.60.0186.7250.85
122A170.2370.24339.80.67506.865.71.50.053161001.08
123A250.498.50.52235.10.68507.874.40.60.0498.9851
124A160.1460.14399.31.11005.086.31.40.053211001.2
125A25437.50.46235.10.77504.835.20.70.0497.5320.85
127A250.437.50.46235.10.77504.835.20.70.0497.5320.85
127H250.437.546237.90.77504.836.60.70.0327.5331.07
127H-230.170.262.730.284.81.2312565.60.7380.034511.334.611.3
127H-3370.374.180.4911.120065.60.80.035810.836
127H-464.30.53.080.627.91.220064.11.30.0341036
128H200.2470.25280.40.861007.875.70.60.05316901.07
130A370.1840.19297.47.71002.035.70.80.0922.5701.1
136A160.215.50.22736.31.41005.086.31.40.008211511.2
136HS350.387.70.4153.51.593007.8751.50.008201461.22
165H1080.331.80.45.61.775105.20.750.01419.810.9
195H4761.29.91.30.41750.85.20.740.0149.37.4
196H4921.26.51.50.29812515.10.750.0139108.71.03
218F450.384.20.42260.5520015.71.80.150.2156.131
218F-1450.384.20.42260.5520015.71.80.150.2156.131
225J760.383.30.444.922569.71.99911.111.5
226J710.393.30.447.620069.31.8714313.318.7
227H340.4310.530.45770.712075.7530.035716.750
228H690.325.50.3416.118765.251.130.021412.523.2
228J680.35.40.3216187611.32.50.02141923.2
252F240.29670.31710.7515071.380.350.0538.4103
252G230.256.30.261780.7915074.41.240.05316.3110
261F770.522.90.63171.130061.20.03466.343192
261G820.524.70.05815.51.430062.61.030.03469.7410.48
261H750.393.20.45222300651.030.034613.4360.48
262F530.363.5641552030041.470.240.0569.15690.52
262F-1520.2930.32652.730041.360.240.0569.5650.52
262G530.363.560.415523003.51.471.470.0569.15690.52
262H540.345.230.36662.7300165.51.50.05617.3580.52
262H-1540.345.230.36662.73002.55.51.50.05617.3580.52
265F340.35.10.3123933002.51.350.086920.52
265F-1340.35.10.3123933002.51.341.030.0869.5920.52
265H330.35.70.312642.93002.55.21.030.08617.8920.52
265H-1,-2390.323.70.351702.73006.55.40.08619.71030.52
268G380.345.70.362193.13506.52.60.12817.7186302
275G340.2660.272393.33506.52.61.030.08614.2990.75
506G500.52.50.6519.80.425010.674.50.60.0146131.05
508G450.67.50.6542.50.6610010.415.90.70.0217171
610H750.634.680.7223.41.41756.25.50.4540.03511.127.60.71
612H530.655.920.7388.51.81756.25.510.4390.055510.946.70.71
615H550.618.30.651122.71754.85.561.030.08819.4935.980.88
725G790.4052.730.482.80.3759.143.60.2350.00847.3814.41.27
1400520.314.10.3462.32.56007.624.10.90.06418.4850.56
2012H600.224.340.231.343.4730054.650.03113.90.025
2020H660.2550.2651.55.434005.084.80.020.05318.3441
2022H750.44.30.4442.53.93006.354.60.70.05314.6431
2023H670.375.50.3748.83.53008.65.251.60.054716.245
2025H480.2240.2378.43.554007.113.90.150.05316.6551
2031H440.286.10.36.75.345055.120.60.088119.5791
2032H570.545.50.6133.143006.354.20.60.08812.8651
2033H500.427.80.441704.33008.65.21.60.0911669
2035H480.3450.36140.54.134007.113.90.250.08816.6851
2035HPL430.344.90.366.83.830074.70.250.08816.50.081
2042H390.450.443374.53007.624.30.80.12716.21101
2043G310.327.30.363843.335082.71.10.12715.51531
2044E360.536.050.583082.4500810.280.1277.5144
2044G310.3270.343743.25009.52.510.12715.3161
2044H310.32110.333743.25009.5520.12721.7161
2103H3100.412.70.480.10.752.52.20.00241.66
2104H2070.662070.8710.9501.34.240.50.00624.83.61.25
2105H2000.5330.6511.2251.526.10.30.0066.63.51.35
2106H3860.8812.40.950.21.51000.4184.680.640.00958.799.65
2108400.174.50.1836.81.2751.525.80.50.01813201.02
2110600.313.50.34342.1252.5460.30.0216.8110.85
2115A550.4840.54341305.595.50.30.0186.8110.85
2118H850.352.40.414.22.11003.055.50.60.02111171.05
2118J850.352.40.414.22.11003.0510.30.90.02115171.05
2119H780.374.50.370.51.681752.545.30.550.02180.1
2120650.3640.445.33751.5260.40.03210.3171.02
2121350.195.50.2110.42.7751.526.80.90.03212.7251
2121H350.165.50.17110.42.7751.5260.80.03213.7261.02
2122H400.231.90.2665.12.41003.055.80.60.03213.2281.02
2123H850.322.50.3719.83.52502.544.20.40.03213251.07
2123J850.322.50.3719.83.52502.548.70.80.03218.7251.07
2125450.454.50.5135.92.5502.5460.50.05312.4451
2130500.240.21121.86.91001.526.30.60.05318351.2
2135400.2540.27297.46.71251.526.30.60.08918601.2
2142H720.754.20.9245.31.821006.355.20.850.0539.9546
2145A300.51120.53155.80.76503.5650.40.0449.4501
2150550.6450.7399.12.2502.545.510.07522.31051.2
2152H850.393.30.4436.85.11502.544.50.50.05310.2
2155H530.474.470.53164.34.41502.544.20.480.0910.2
2166H870.43.030.466.040.825.30.014316
2168H1200.385.50.413.711.635075.20.90.01915.3231
2168H-1700.35.60.329.21.33506.85.10.9318914.2280.82
2168J1220.045.80.433.41.3350710.11.60.01921.325.51
2168J-1770.45.70.428.31.33506.410.10.2418917.5270.82
2169H3200.616.50.680.551.320035.10.90.0219.8261
2202A500.173.50.1887.85.51003.055.510.05322501.2
2202H500.163.50.1887.861503.565.51.10.05322.5501.2
2202J500.164.30.1887.861503.56111.80.05327.8501.2
2203A160.1460.14399.31.11005.086.31.40.053211001.2
2203H160.1460.14399.31.11005.086.31.40.053211001.2
2204H450.351.70.4487.81.83506.866.20.70.05415571.2
2204J450.351.70.4487.81.83506.8612.41.60.05425.5571.2
2205A300.2150.22297.33.51502.545.51.30.0922.31051.2
2205H300.2150.22297.33.51502.545.51.30.0922.31051.2
2206H520.324.450.3462.32.56007.625.31.50.05518.1651
2206J520.344.50.37622.216007.629.930.05524661
2213250.498.50.522350.68507.874.40.60.0498.9851
2213H250.498.50.522350.68757.874.40.60.0498.9851
2214H230.2410.50.25223.71.12006.65.61.30.05316901.07
2215A200.215.50.22736.22.61004.065.710.0922970.9
2215B200.215.50.22736.22.51004.068.82.20.08822970.9
2215H200.215.50.22736.22.61004.065.710.0922970.09
2217H450.3160.3383.82.196007.6251.80.06318.7831
2220A370.1840.19297.37.71002.035.70.80.0922.5701.1
2220H370.1750.18297.38.71005.71.060.08922.31.15
2220J370.1750.18297.38.710013.22.410.089331.15
2225H400.282.50.31169.93.52005.086.31.10.09231051.2
2225J400.282.50.31169.93.52005.0812.92.20.09341051.2
2226G400.3150.33175.63.36007.622.50.920.08813.5981.05
2226H400.3150.33175.63.36007.6251.750.08819.2981
2226J400.3150.33175.63.36007.62103.50.08827.1981
2227H400.2150.22175.64.96005.084.70.550.0882399
2231A160.215.50.22736.21.41005.086.31.40.088211511.2
2231H160.215.50.22736.21.41005.086.31.40.088211511.2
2234H230.2220.25458.72.11508.3861.20.0920.51051.2
2235H200.252.50.28458.71.31508.3861.20.0920.51551.2
2240G300.252.50.25481.453005.592.50.70.1317.11641.22
2240H300.232.20.25481.453005.5961.40.13251641.22
2241G350.45.70.43311.52.96007.622.50.860.12313.6145
2241H350.45.70.43311.52.96007.6251.750.12319.2145
2242H350.27550.299.9780084.71.250.12423.70.158
2243H300.1950.211.9470055.21.40.12430.20.18
2245H200.272.20.27821.22.13009.655.81.40.13211851.22
2250H1880.474.50.531.67235035.210.020417251
2250J1850.454.80.471.52.335038.71.70.020422.5241
2251J610.240.211.0112.893885.712.650.03126.770.032
2254J46.630.162.470.172.64.26006.3511.160.06310.990.088
2255H390.33.680.331702.9650851.50.08820.1109
2256G24.20.477.790.5138.560020.33.10.70.07815.72840.657
2258HPL/-1310.274.820.2840780085.21.240.12422.3140
2261H650.3660.3819.31.450065.11.30.034616.951
2261FF580.3140.34291.650062.60.280.036311.6490.6
2262F490.342.40.4511.470081.30.360.05479.45880.52
2262FF510.281.90.31512.270082.90.4250.0571687
2262G480.332.330.3858.51750082.650.05513790.6
2262H56.80.342.790.3949.22.270085.20.05471868392
2262HPL56.80.342.790.3949.22.270085.20.05471868392
2263H41.20.3744.6070.40763.577007.75.420.6230.055218.7100.9313
2263H-141.20.3744.610.4163.577007.75.420.6230.055218.7100.9313
2264H450.326.40.34691.7800105.20.055218.4800.98
2265F430.413.40.461271.975081.351.90.0889.91250.6
2265G380.3530.391622.275082.50.80.0883.51160.6
2265G-1420.372.80.431332.367582.450.80.08813.61160.6
2265FF410.353.410.391232.175082.60.960.08815.3134
2265H370.323.30.361762.575085.11.70.08819.51120.6
2265HPL370.323.30.361762.575085.11.70.08819.51120.6
2265H-1420.3930.44119267585.31.650.08820.31290.6
2266H310.374.80.41100.8700114.82.630.08824.72600.6
2267H410.428.30.44891.4600154.8288122.61800.7
2268F370.464.60.512252.375081.30.450.129510.41800.595
2268FF320.363.30.43182.780082.71.10.126915.41720.49
2268G290.354.40.383862.475082.750.126915.21750.49
2268H330.363.80.393282.880085.31.850.126921.51680.6
2269G260.397.50.412340.91200192.71.2122519.23400.6
2269H280.364.80.392371.21200195.32.5122526.42940.6
2275H460.413.80.461072.170085.11.40.08819.81240.59
2275F390.424.80.471451.870081.30.340.0889.21220.59
2278H340.436.30.462912.375085.31.50.129520.81800.59
2279H350.426.20.452622.9850225.51.70.129521.91780.59
2279G33.70.416.10.432822.4850102.80.4190.132161940.6
2288H290.438.50.451061.21200204.22.5123223.6279
D123450.454.50.5135.92.5502.5460.50.05312.4451
D130400.2540.27297.36.7750.766.30.60.0918601.2
D131500.188.50.18127.48.4750.766.30.50.05318351.2
D208600.313.50.34342.1252.5460.30.0216.8110.85
E110650.3640.445.33752.5460.40.03212.1211.03
E120600.171.80.1979.38.61503.056.30.40.05321.7361.35
E130400.191.80.21297.38.61502.546.30.40.0921.1601.35
E140320.1750.19297.34.92003.565.51.110.0924.1941.35
E145350.2560.26274.74.31507.115.71.60.0916.1550.97
E155-4300.22.20.22424.84.93005.082.50.70.114171251.22
E155-8300.22.20.22424.84.93005.0861.40.114251251.22
G125-8650.325.50.3470.85.52002.545.20.50.05313.7370.98
G135-8450.365.50.382355.52002.545.20.50.0913.7600.98
G135-A450.486.60.512183.82006.160.750.0915.8600.98
K110650.3640.445.33751.5260.40.03210.3171.02
K120500.240.21121.86.91001.526.30.60.05318351.2
K130400.2540.27297.36.71250.766.30.60.0918601.2
K140300.2150.22297.33.51505.085.51.30.0922.31051.2
K145350.2960.3243.53.41505.088.82.20.07921.7750.9
K151300.2760.28365.33.41502.54620.107221251.2
LE5-10250131.60.70.69251.5260.050.0064.331.3
LE8T450.4940.55340.5254.575.50.30.0186.2160.85
LE8TH450.5640.65340.5255.595.50.30.0186.2160.85
LE10A300.4160.44101.90.6756.14.40.60.0328.1351.02
LE10H330.376.90.3976.50.7756.14.80.60.0329.7401.02
LE111A250.1760.18101.90.87756.15.71.50.03216501.08
LE12C300.51120.53155.70.76503.5650.40.0449.4501
LE14A280.326.50.34147.20.951005.086.31.40.06621.51401.2
LE14H260.272.30.3147.20.891508.385.91.30.066221391.25
LE15A200.215.50.22736.22.61004.068.82.20.08822970.9
MI-10750.331.80.4136.83.51503.055.60.60.03411.6211.05
MI-12650.462.20.5876.53.51503.055.60.60.05511.6341.05
MI-15550.622.80.79169.93.51503.055.60.60.0911.6551.05
MI-15A400.4240.47271.83.51503.565.60.90.0911.6551.05
M121-8600.24540.2570.863004.575.20.630.05317.5391
M151-4500.2860.3148.75.923005.082.40.420.08813.6741
M151-8450.254.80.27198.26.53005.084.80.720.08818.8701
M110-450.50.3313.4610.365522252.81.033469.8532.5172
M110-8570.3054.70.33602255.150.698339.812.2132.9172
M115-445.80.3745.1730.403191.112502.6829.5810.361.6172
M112-8790.3620.440.454.82255.15.21.20.056415.541.4
M115-8460.429.50.423052255.15.51.30.08313.953
M115-8A460.395.10.4222552505.15.51.30.08451453
M209-8910.3920.4813.32.011501.784.90.270.0229.5161.05
M222-8710.483.60.5541.92.623006.354.20.430.05312.8481
M252-8510.564.60.64137.12.713006.354.20.430.08812.8791
MODELFSQTSQMSQESVASEFFPEXMAXRELESDBLMMSFLUX​

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Last modified at 4/8/2024 2:10 PM by PRO Knowledge Base
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