Audio Crossover Phase Calculator
First order low pass crossover signed phase−atan(f/fc) degrees, not arbitrary Linkwitz–Riley/acoustic phase or infer filter order. Actual matched units/topology and independently established parameters; not a safe device/electrical design or verified manufacturer rating.
Description
A first-order low-pass phase has a signed frequency-to-corner relation.
A first-order low-pass phase has a signed frequency-to-corner relation.1
This tool calculates phase in degrees without representing a complete acoustic crossover or an unspecified filter order.
When to use Audio Crossover Phase Calculator
Use this tool to calculate phase in degrees without representing a complete acoustic crossover or an unspecified filter order.
How to use Audio Crossover Phase Calculator and how it works
- Prepare actualFrequencyHz, callerFirstOrderLowPassCornerHz, with the units, conventions and assumptions below.
- Enter the required fields and run Audio Crossover Phase Calculator.
- Read result.value using the output definitions below.
- Correct any rejected inputs and rerun; interpret the result within the stated model and its assumptions.
| Input field | Meaning | Value type | Requirement |
|---|---|---|---|
| actualFrequencyHz | Actual Frequency Hz. Use the units and matching context stated in the calculation below. | number | Required; nonnegative; finite; other constraints below |
| callerFirstOrderLowPassCornerHz | Caller First Order Low Pass Corner Hz. Use the units and matching context stated in the calculation below. | number | Required; strictly positive; finite; other constraints below |
Supply nonnegative frequency and positive corner frequency in matching units. Return -atan(frequency/corner)*180/pi in degrees as the phase of a first-order low-pass branch. The complementary branch, driver polarity and acoustic response are not included.
phaseDegrees=-atan(frequency/cornerFrequency)*180/pi Apply the input ordering, units and branch conditions stated above.
| Output field | Meaning | Value type |
|---|---|---|
| result | Object containing the calculated or selected fields below. | object |
| result.value | Signed first-order low-pass phase in degrees. | number |
{
"input": {
"actualFrequencyHz": 1,
"callerFirstOrderLowPassCornerHz": 1
},
"output": {
"result": {
"value": -45
}
}
}Limitations and assumptions
The calculation uses the supplied observations and model inputs. It does not collect measurements, select a reference population or coefficient, or establish that the model applies to the actual case. The stated branch conditions and output units remain part of the result.
All fields require explicit values. Unexpected fields, wrong types, nonfinite numbers and sparse arrays are rejected. Alignment, bounds and supported-token rules are explained above; extremely large inputs or nonfinite results can also fail. Input errors differ from successful false comparisons, unavailable-domain flags and empty match lists.
Alternative or Complementary methods
Use Speaker Power Handling Calculator for a complementary operation: Speaker power handling depends on thermal and mechanical limits under a specific test and enclosure context.
Use Transmission Loss Calculator for a complementary operation: Acoustic transmission loss compares incident and transmitted power on a matched basis.
References
-
Audio Crossover Phase Calculator — tool.io
Similar or alternative tools
- Speaker Power Handling Calculator
Speaker power handling depends on thermal and mechanical limits under a specific test and enclosure context.
- Transmission Loss Calculator
Acoustic transmission loss compares incident and transmitted power on a matched basis.