JBL PROFESSIONAL
Thiele/Small Low Frequency DriverParameters And DefinitionsPARAMETERDESCRIPTIONfsResonance frequency of driver in free-air
QtsTotal Q of driver at fs including all driver loss mechanismsVasVolume of air having same acoustic compliance as driver suspensionEffReference efficiency ηo (half-space acoustic load)QesQ of driver at fs considering electrical losses onlyQmsQ of driver at fs considering mechanical losses onlyLeVoice coil inductance
Pe (Max)Thermally-limited maximum electrical input powerXmaxPeak linear displacement of driver diaphragmSdEffective projected surface area of driver diaphragmRedc resistance of driver voice coilBLBL Product
MmsEffective moving massflux
Flux density
Thiele/Small ParametersPage 1UNITS
hertz--liters%----mHwattsmillimeterssquare metersohmsT*mgramsTesla
07/07/98
Model112A116A122A123A124A125A127A127H128H130A136A136HS506G508G14002020H2022H2025H2032H2035H2042H2105H210821102115A2118H2118J212021212121H2122H2123H2123J2125213021352142H2145A21502152H2155H2202A2202H2202JModelfs40281725162525252037163550455266754857483920040605585856535354085854550407230558553505050fsQts0.210.460.230.490.14430.430.430.240.180.210.380.50.60.310.250.40.220.540.340.40.530.170.310.480.350.350.360.190.160.230.320.320.450.20.250.750.510.0.390.470.170.160.16QtsQmsQes4578.567.57.57.5745.57.72.57.54.154.345.55534.53.542.42.445.55.51.92.52.54.5444.21253.34.473.53.54.30.220.510.240.520.140.460.460.250.190.220.40.650.650.340.260.440.230.60.360.440.650.180.340.540.40.40.40.20.170.260.370.370.50.210.270.920.530.730.440.530.180.180.18Vas34.073.6339.8235.1399.3235.1235.1237.9280.4297.4736.3153.519.842.562.351.542.578.4133.1140.5337.01.036.834.034.014.214.245.3110.4110.465.119.819.8135.9121.8297.445.3155.9.136.81.387.887.887.8VasEff0.90.30.670.681.10.770.770.770.867.71.41.590.420.662.55.433.93.5544.134.51.21.22.112.12.132.72.72.43.53.52.56.96.71.820.762.25.14.45.566EffPe605050501005050501001001003005010060040030040030040030025752530100100757575100250250501001251005050150150100150150PeXmax2.794.836.867.875.084.834.834.837.872.035.087.8710.6710.417.625.086.357.116.357.117.621.521.522.545.593.053.051.521.521.523.052.542.542.541.521.526.353.562.542.542.543.053.563.56XmaxRe5.85.25.74.46.35.25.26.65.75.76.354.55.94.14.84.63.94.23.94.36.15.865.55.510.366.865.84.28.766.36.35.255.54.54.25.55.511ReLe0.30.61.50.61.40.70.70.70.60.81.41.50.60.70.90.020.70.150.60.250.80.30.50.30.30.60.90.40.90.80.60.40.80.50.60.60.850.410.50.4811.11.8LeSd0.0180.0180.0530.0490.0530.0490.0490.0320.0530.0900.0880.0880.0140.0210.00.0530.0530.0530.0880.0880.1270.0060.0180.0210.0180.0210.0210.0320.0320.0320.0320.0320.0320.0530.0530.00.0530.0440.0750.0530.0900.0530.0530.053SdBL126.7168.9217.57.57.51622.521206718.418.314.616.612.816.616.26.6136.86.8111510.312.713.713.21318.712.4181.422.3MmsFlux222510085100323233907015114613178544435565851103.52011111717172526282525453560501050.950.851.0811.20.850.851.071.071.11.21.221.0510.561111111.351.020.850.851.051.051.0211.021.021.071.0711.21.211.22222.527.8BL5050501.21.21.2QmsQesMmsFluxThiele/Small ParametersPage 207/07/98
Model2203A2203H2204H2204J2205A2205H2206H2206J22132213H2214H2215A2215B2215H2217H2220A2220H2220J2225H2225J2226G2226H2226J2227H2231A2231H2234H2235H2240G2240H2241G2241H2242H2245HD123D130D131D208E110E120E130E140E145E155-4Modelfs16154530305252252523202020453737374040404040401616232030303535352045405060656040323530fsQts0.140.140.350.350.210.210.320.340.490.490.240.210.210.210.310.180.170.170.280.280.310.310.310.210.210.210.220.250.250.230.40.40.280.270.450.250.180.310.360.170.190.170.250.2QtsQmsQes661.71.7554.454.58.58.510.55.55.55.5552.52.555555.55.522.52.52.25.75.752.24.548.53.541.81.8562.20.140.140.440.440.220.220.340.370.520.520.250.220.220.220.330.190.180.180.310.310.330.330.330.220.220.220.250.280.25250.430.430.290.270.50.270.180.340.40.190.210.190.260.22Vas399.3399.387.887.8297.3297.362.362.0235.0235.0223.7736.2736.2736.283.8297.3297.3297.3169.9169.9175.6175.6175.6175.6736.2736.2458.7458.7481.4481.4311.5311.5282.3821.2135.9297.3127.434.045.379.3297.3297.3274.7424.8VasEff1.11.11.81.83.53.52.52.210.680.681.12.62.62.62.197.78.78.73.53.53.33.33.34.91.41.42.11.3552.92.942.12.56.78.42.138.68..94.34.9EffPe10010035035015015060060050752001001001006001002002002002006006006006001001001501503003006006008003005075752575150150200150300PeXmax5.085.086.866.862.542.547.627.627.877.876.604.0.0.067.622.033.053.055.085.087.627.627.625.085.085.088.388.385.595.597.627.627.879.652.540.760.762.542.543.052.543.567.115.08XmaxRe6.36.36.212.45.55.55.39.94.44.45.65.78.85.755.75.713.26.312.92.55104.76.36.3662.562.554.75.866.36.3666.36.35.55.72.5ReLe1.41.40.71.61.31.31.530.60.61.312.211.80.8121.12.20.921.753.50.551.41.41.21.20.71.40.861.751.251.40.50.60.50.30.40.40.41.11.60.7LeSd0.0530.0530.0540.0540.0900.0900.0550.0550.0490.0490.0530.0900.0880.0900.0630.0900.0900.0900.0900.0900.0880.0880.0880.0880.0880.0880.0900.0900.1300.1300.1230.1230.1240.1300.0530.0900.0530.0210.0320.0530.0900.0900.0900.114SdBL21211525.522.322.318.1248.98.91622222218.722.522.534233413.519.227.123212120.520.517.12513.619.223.72112.418186.812.121.721.124.116.117.1BLMmsFlux100100575710510565668585909797978370707010510599151151105155111451451581854560351121366094551251.21.21.21.21.21.21111.070.90.90.0911.11.151.151.21.21.05111.21.21.21.21.221.221.2211.21.20.851.031.351.351.350.971.22QmsQesMmsFluxThiele/Small ParametersPage 307/07/98
ModelfsQtsQmsQes2.25.55.56.4456634466.96126.52.35.51.82.22.844.823..60.220.340.380.510.40.210.270.220.30.281.60.550.650.440.390.180.530.340.30.220.410.580.790.470.250.30.270.480.550.Vas424.870.8235.0218.045.3121.8297.3297.3243.5365.30.734.034.0101.976.5101.9155.7147.2147.2736.236.876.5169.9271.870.8148.7198.213.341.9137.1VasEff4.95.55.53.836.96.73.53.43.40.690.50.50.60.70.870.760.950.2.63.53.53.53.565.926.52.012.622.71EffPe3002002002007510012515015015025252575757550100150100150150150150300300300150300300PeXmax5.082.542.546.101.521.520.765.085.082.541.524.575.596.106.106.103.565.088.384.063.053.053.053.5.575.085.081.786.356.35XmaxRe65.25.2666.36.35.58.8665.55.54.44.85.756.35.98.85.65.65.65.65.22.44.84.94.24.2ReLe1.40.50.50.750.40.60.61.32.220.050.30.30.60.61.50.41.41.32.20.60.60.60.90.630.420.720.270.430.43LeSd0.1140.0530.0900.0900.0320.0530.0900.0900.0790.1070.0060.0180.0180.0320.0320.0320.0440.0660.0660.0880.0340.0550.0900.0900.0530.0880.0880.0220.0530.088SdBL2513.713.715.810.3181822.321.7224.36.26.28.19.7169.421.5222211.611.611.611.617.513.618..512.812.8BLMmsFlux125376060173560105751253161635405050140139972134555539747018791.220.980.980.981.021.21.21.20.91.21.30.850.851.021.021.0811.21.250.91.051.051.051.051111.0511E155-8300.2G125-8650.32G135-8450.36G135-A450.48K110650.36K120500.2K130400.25K140300.21K145350.29K151300.27LE5-102501LE8T450.49LE8TH450.56LE10A300.41LE10H330.37LE111A250.17LE12C300.51LE14A280.32LE14H260.27LE15A200.21MI-10750.33MI-12650.46MI-15550.62MI-15A400.42MI121-8600.245M151-4500.28M151-8450.25M209-10.39M222-8710.48M252-8510.56ModelfsQtsQmsQesMmsFluxThiele/Small ParametersPage 407/07/98
