XCA R D RESISTOR CHART
Our tests have shown that using 0.047∝ f capacitors for frequencies below 100Hz, and 0.022∝ f 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.
AO
DP
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AR
A N T C I E O
D N
Butterworth Alignment Q = .707
1% resistors used with 0.047∝ F capacitors
| Frequency | R1 | R2 |
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| 20Hz | 169kΩ | 169kΩ |
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| 25Hz | 133kΩ | 133kΩ |
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| 30Hz | 110kΩ | 110kΩ |
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| 35Hz | 95.3kΩ | 95.3kΩ |
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| 40Hz | 84.5kΩ | 84.5kΩ |
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| 45Hz | 75kΩ | 75kΩ |
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| 50Hz | 68.1kΩ | 68.1kΩ |
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| 55Hz | 61.9kΩ | 61.9kΩ |
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| 60Hz | 56.2kΩ | 56.2kΩ |
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| 65Hz | 52.3kΩ | 52.3kΩ |
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| 70Hz | 48.7kΩ | 48.7kΩ |
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| 75Hz | 45.3kΩ | 45.3kΩ |
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| 80Hz | 42.2kΩ | 42.2kΩ |
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| 85Hz | 40.2kΩ | 40.2kΩ |
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| 90Hz | 37.4kΩ | 37.4kΩ |
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| 200Hz | 16.9kΩ | 16.9kΩ |
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| 300Hz | 11.3kΩ | 11.3kΩ |
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| 400Hz | 8.45kΩ | 8.45kΩ |
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| 500Hz | 6.65kΩ | 6.65kΩ |
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| 600Hz | 5.62kΩ | 5.62kΩ |
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| 700Hz | 4.75kΩ | 4.75kΩ |
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| 800Hz | 4.22kΩ | 4.22kΩ |
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| 900Hz | 3.74kΩ | 3.74kΩ |
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| 1.0kHz | 3.40kΩ | 3.40kΩ |
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| 1.2kHz | 2.80kΩ | 2.80kΩ |
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| 2kHz | 1.69kΩ | 1.69kΩ |
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| 3kHz | 1.10kΩ | 1.10kΩ |
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| 4kHz | 845Ω | 845Ω |
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| 5kHz | 665Ω | 665Ω |
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| 6kHz | 562Ω | 562Ω |
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| 7kHz | 487Ω | 487Ω |
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| 8kHz | 422Ω | 422Ω |
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Butterworth Alignment Q = .707
1% resistors used with 0.022∝ F capacitors
| Frequency | R1 | R2 |
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| 20Hz | 357kΩ | 357kΩ |
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| 25Hz | 287kΩ | 287kΩ |
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| 30Hz | 237kΩ | 237kΩ |
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| 35Hz | 205kΩ | 205kΩ |
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| 40Hz | 178kΩ | 178kΩ |
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| 45Hz | 162kΩ | 162kΩ |
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| 50Hz | 143kΩ | 143kΩ |
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| 55Hz | 130kΩ | 130kΩ |
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| 60Hz | 121kΩ | 121kΩ |
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| 65Hz | 110kΩ | 110kΩ |
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| 70Hz | 102kΩ | 102kΩ |
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| 75Hz | 95.3kΩ | 95.3kΩ |
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| 80Hz | 90.9kΩ | 90.9kΩ |
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| 85Hz | 84.5kΩ | 84.5kΩ |
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| 90Hz | 80.6kΩ | 80.6kΩ |
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| 200Hz | 35.7kΩ | 35.7kΩ |
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| 300Hz | 23.7kΩ | 23.7kΩ |
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| 400Hz | 17.8kΩ | 17.8kΩ |
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| 500Hz | 14.3kΩ | 14.3kΩ |
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| 600Hz | 12.1kΩ | 12.1kΩ |
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| 700Hz | 10.2kΩ | 10.2kΩ |
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| 800Hz | 9.9kΩ | 9.9kΩ |
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| 900Hz | 86kΩ | 86kΩ |
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| 1.0kHz | 7.15kΩ | 7.15kΩ |
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| 1.2kHz | 6.04kΩ | 6.04kΩ |
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| 2.0kHz | 3.57kΩ | 3.57kΩ |
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| 3.0kHz | 2.37kΩ | 2.37kΩ |
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| 4.0kHz | 1.76kΩ | 1.76kΩ |
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| 5.0kHz | 1.43kΩ | 1.43kΩ |
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| 6.0kHz | 1.21kΩ | 1.21kΩ |
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| 7.0kHz | 10.2kΩ | 10.2kΩ |
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| 8.0kHz | 909Ω | 909Ω |
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