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Measurement Distance Calculator
Determination of the lower cutoff frequency, far-field and near-field measurements.
Lower Frequency Limit - Measurement Position
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| Image source: ARTA Compendium |
| Mic Distance d: | Meter | Path Length: | Meter |
| Mic Height h: | Meter | Travel Time: | ms |
| Lowest Freq. fU: | Hz | Gate: | ms |
| Calculate Far-Field: | |||
| Baffle, WxH: | x cm | Diagonal: | = cm |
| Frequency: | Hz | Distance: | > m |
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| Calculate Near-Field: | |||
| Driver Size: | cm | Error <1dB | < cm * |
| Frequency: | Hz | Distance: | < cm |
| * This value corresponds to common calculation methods. However, our own practical test has shown that this result should be halved! |
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Height:
Microphone height should be the shortest distance, meaning the nearest wall, ceiling, or floor. This determines the lower measurement limit fU. The distance between the rear wall and the loudspeaker should be below fU. |
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