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[{"$nulls":8},"Input Data",{"$nulls":12},"Nominal Duct","Core Area","H & W"]
[null,"Enter Duct Width in inches =",{"$nulls":6},25,"Inches",{"$nulls":11},"Area '( ft2 )","( ft2 )","border",null,null," Free area & Core Area Ratio",null,"Ak/Ac",0.77,null,null," - "]
[null,"Enter Duct Height in inches =",{"$nulls":6},25,"Inches",{"$nulls":11},4.340277777777778,4.083767361111111,0.75]
[null,"Enter Air Flow (must be greater than 0) =",{"$nulls":6},3000,"CFM"]
[null,"Series =","585H or V",{"$nulls":4},"Tag =","RG-009",{"$nulls":17},"Throw Zones"]
[{"$nulls":27},"c(ii)","c(iii)","c(iv)"]
[null,"585H or V Supply Grille",{"$nulls":24},"0 Degrees",1.8,5,13]
[null,"Tag : RG-009",null,"IP Data",{"$nulls":22},"22.5 Degrees",1.395,3.875,10.075000000000001]
[null,"Nom","Duct ","Neck","Air","0°",null,"22.5°",null,"45°",{"$nulls":16},"45 Degrees",0.81,2.25,5.8500000000000005]
[null,"Duct","Area","Vel","Flow","Pt","Throw","Pt","Throw","Pt","Throw","Nc","Octave Band, dB"]
[null,"in","ft²","FPM","CFM","\"WG","ft","\"WG","ft","\"WG","ft",null,2,3,4,5,6,7]
[null,"25 x 25",4.340277777777778,734.6157933893081,3000,0.09112081509979247,"56 - 71 - 101",0.12527009288180702,"44 - 55 - 78",0.15941937066382156,"25 - 32 - 45",34.332781851905374,58.69905918883448,49.516011281127206,50.395375545554586,42.799030960601286,34.62502879626312,29.258871860708567,{"$nulls":8},"Pressure Constants",null,null,null," "]
[{"$nulls":27},"m","b",null," "," "]
[null,"585H or V Supply Grille",{"$nulls":24},"0 Degrees",0,2.7083333333333326]
[null,"Tag : RG-009",null,"Metric Data",{"$nulls":22},"22.5 Degrees",0,3.723333333333333]
[null,"Nom","Duct ","Neck","Air","0°",null,"22.5°",null,"45°",{"$nulls":16},"45 Degrees",0,4.738333333333333]
[null,"Duct","Area","Vel","Flow","Pt","Throw","Pt","Throw","Pt","Throw","Nc","Octave Band, dB",{"$nulls":19},"Coefficients from 880 New Sound Regression..xls"]
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[null,"635 x 635",0.403225,3.7318482304176857,1415.8422,22.689082959848324,"17.1 - 21.6 - 30.6",31.19225312756995,"13.3 - 16.8 - 23.7",39.69542329529157,"7.7 - 9.7 - 13.8",34.332781851905374,58.69905918883448,49.516011281127206,50.395375545554586,42.799030960601286,34.62502879626312,29.258871860708567,{"$nulls":10},"B","CVn","CAn",null,"M(An)",9.732037858594214,9.732037858594222,9.73203785859422,9.732037858594229,9.73203785859424,9.435504715179798]
[{"$nulls":26},"0 deg",null,-167.6,68.79,9.6,null,"M(Vn)",53.65505536290635,63.22165536290803,62.10425536290874,86.80375536290886,113.62105536291052,116.81592305706788]
[{"$nulls":32},"B",-101.19017272305152,-137.7916727230564,-133.7097727230585,-212.09637272305886,-297.1303727230637,-311.6532129957984]