Rockford Fosgate 5.3x manual Resistor Chart, Butterworth Alignment Q =

Page 17

RESISTOR CHART

AO

DP

VE

AR

A N T C I E O

D N

Our tests have shown that using 0.047μf capacitors for frequencies below 100Hz, and 0.022μf capacitors for frequencies above 100Hz, result in more linear crossover control. Refer to the Specifications page to determine the capacitor value of each supplied XCard.

Butterworth Alignment Q = .707

1% resistors used with 0.047μF caps

 

Frequency

R1

R2

 

 

 

 

20Hz

169kΩ

169kΩ

 

 

25Hz

133kΩ

133kΩ

 

 

30Hz

110kΩ

110kΩ

 

 

35Hz

95.3kΩ

95.3kΩ

 

 

40Hz

84.5kΩ

84.5kΩ

 

 

45Hz

75kΩ

75kΩ

 

 

50Hz

68.1kΩ

68.1kΩ

 

 

55Hz

61.9kΩ

61.9kΩ

 

 

60Hz

56.2kΩ

56.2kΩ

 

 

 

 

 

 

 

65Hz

52.3kΩ

52.3kΩ

 

 

70Hz

48.7kΩ

48.7kΩ

 

 

75Hz

45.3kΩ

45.3kΩ

 

 

80Hz

42.2kΩ

42.2kΩ

 

 

85Hz

40.2kΩ

40.2kΩ

 

 

90Hz

37.4kΩ

37.4kΩ

 

 

200Hz

16.9kΩ

16.9kΩ

 

 

300Hz

11.3kΩ

11.3kΩ

 

 

400Hz

8.45kΩ

8.45kΩ

 

 

500Hz

6.65kΩ

6.65kΩ

 

 

600Hz

5.62kΩ

5.62kΩ

 

 

700Hz

4.75kΩ

4.75kΩ

 

 

800Hz

4.22kΩ

4.22kΩ

 

 

900Hz

3.74kΩ

3.74kΩ

 

 

1kHz

3.40kΩ

3.40kΩ

 

 

1.2kHz

2.80kΩ

2.80kΩ

 

 

2kHz

1.69kΩ

1.69kΩ

 

 

3kHz

1.10kΩ

1.10kΩ

 

 

4kHz

845Ω

845Ω

 

 

5kHz

665Ω

665Ω

 

 

6kHz

562Ω

562Ω

 

 

7kHz

487Ω

487Ω

 

 

8kHz

422Ω

422Ω

 

 

 

 

 

 

Butterworth Alignment Q = .707

1% resistors used with 0.022μF caps

 

Frequency

R1

R2

 

 

 

 

20Hz

357kΩ

357kΩ

 

 

25Hz

287kΩ

287kΩ

 

 

30Hz

237kΩ

237kΩ

 

 

35Hz

205kΩ

205kΩ

 

 

40Hz

178kΩ

178kΩ

 

 

45Hz

162kΩ

162kΩ

 

 

50Hz

143kΩ

143kΩ

 

 

55Hz

130kΩ

130kΩ

 

 

60Hz

121kΩ

121kΩ

 

 

65Hz

110kΩ

110kΩ

 

 

70Hz

102kΩ

102kΩ

 

 

75Hz

95.3kΩ

95.3kΩ

 

 

80Hz

90.9kΩ

90.9kΩ

 

 

85Hz

84.5kΩ

84.5kΩ

 

 

90Hz

80.6kΩ

80.6kΩ

 

 

200Hz

35.7kΩ

35.7kΩ

 

 

300Hz

23.7kΩ

23.7kΩ

 

 

400Hz

17.8kΩ

17.8kΩ

 

 

500Hz

14.3kΩ

14.3kΩ

 

 

600Hz

12.1kΩ

12.1kΩ

 

 

700Hz

10.2kΩ

10.2kΩ

 

 

800Hz

9.9kΩ

9.9kΩ

 

 

900Hz

8.6kΩ

8.6kΩ

 

 

1.0kHz

7.15kΩ

7.15kΩ

 

 

1.2kHz

6.04kΩ

6.04kΩ

 

 

2.0kHz

3.57kΩ

3.57kΩ

 

 

3.0kHz

2.37kΩ

2.37kΩ

 

 

4.0kHz

1.76kΩ

1.76kΩ

 

 

 

 

 

 

 

 

5.0kHz

1.43kΩ

1.43kΩ

 

 

6.0kHz

1.21kΩ

1.21kΩ

 

 

7.0kHz

1.02kΩ

1.02kΩ

 

 

8.0kHz

909Ω

909Ω

 

 

 

 

 

 

 

 

– 14 –

Image 17
Contents Channel w/crossovers Installation a n d O p e r a t i o nPractice Safe Sound T T I N G S T a R T E D TA B L E O F CO N T E N T ST R O D U C T I O N Accessory PackTechnical Design Features Mosfet Devices DSM Discrete Surface Mount Technology High Level Inputs 3X DE S I G N FE AT U R E S LED Power Indicator Power/Speaker Barrier StripSignal Input Switches Dual Extruded HeatsinksS TA L L AT I O N CO N S I D E R AT I O N S Trunk Mounting Mounting LocationWI R I N G T H E SY S T E M Battery and ChargingCut Using Passive Crossovers Ohms Table of Crossover Component ValuesCustomizing the Xcard US I N G T H E XcardButterworth Alignment Q = Resistor ChartXcard Access Configuration #2 Using the Signal Switching NetworkConfiguration #3 Front inputsFront inputs = Front, Rear Subwoofer outputs Configuration #5Configuration #6 Subwoofer L Mono inputs Configuration #1 Front inputsConfiguration #2 Front inputs Factory Subwoofer L Mono inputs Configuration #4 Mono Sub Input Front inputsConfiguration #5 Front inputs Watts Total Power High Level Input Single Ended Type 3X InstallationFactory Radio 100.7 High Level Input B.T.L. TypeChannel Operation Power ConnectionsSub Gain Control operates independently Channel Mono OperationStep #1 System DiagramsStep #2 Step #3 Front XCard Step #4TR O U B L E S H O O T I N G Symptom Diagnosis RemedySpeaker Output Engine noise with DY N a M I C PO W E R ME a S U R E M E N T S About the Dynamic Power MeasurementsMusic Listening to Loudspeakers Not ResistorsInformation Cubed What is an Amplifier?Front/Rear Sub Channels 3X SpecificationsATC Limited WA R R a N T Y in F O R M AT I O N Length of WarrantyPage Utilizacion DEL Circuito DE Conmutacion DE Señal IntroducciónConfiguración n5 Configuración n3Configuración n6 PosterioresUtilisation DU Réseau DE Commutation DU Signal Arrière Somme avant & arrièreEinleitung Benutzen DES Signal NetzwerkesBeispiel #5 Beispiel #3Beispiel #6 Vordere Eingänge = Vordere & HintereImpiegare LA Rete DI Selezione Degli Ingressi Configurazione #2Introduzione Configurazione #4 Ingresso sub mono ConfigurazioneIngressi anteriore Posteriore sommatiMade in the USA