Audio Calculators

Peak SPL Calculator

by John Siau November 23, 2022 3 min read

PEAK SPL CALCULATOR
Speaker Sensitivity:	dB SPL (2.83 V, 1 M)
Amplifier Power Per Channel into 8 Ohms:	Watts

RESULTS
Peak Output Level (at typical listening position):	dB SPL

Click "Read More" for a tutorial and an advanced calculator that includes adjustments for the number of speakers, the listening distance, and the room configuration.

Speaker Sensitivity Converter

by John Siau November 16, 2022 1 min read

Calculators Sensitivity SPL

Speaker Sensitivity Converter
Speaker Sensitivity:
	dB SPL (1 W, 1 M)
	dB SPL (2.83 V, 1 M)
Speaker Impedance:	Ohms

RESULTS
Power Sensitivity:	dB SPL (1 W, 1 M)
Voltage Sensitivity:	dB SPL (2.83 V, 1 M)

Click "Read More" for a tutorial.

Headphone Sensitivity Converter

by John Siau November 16, 2022 1 min read

Calculators Headphone Amplifier Sensitivity SPL

Headphone Sensitivity Converter
Headphone Sensitivity:
	dB SPL @ 1 mW
	dB SPL @ 1 Vrms
Headphone Impedance:	Ohms

RESULTS
Power Sensitivity:	dB SPL @ 1 mW
Voltage Sensitivity:	dB SPL @ 1 Vrms

THD+N Audibility Calculator

by John Siau November 16, 2022 4 min read

Calculators Noise Sensitivity SPL THD

THD+N AUDIBILITY CALCULATOR
THD+N:	dB
Speaker Sensitivity:	dB SPL (2.83 V, 1 M)
Amplifier Power Per Channel into 8 Ohms:	Watts
Distance from Speaker(s):	meters
Number of Speakers:	One Speaker
	Two Speakers
Room Configuration:	Anechoic Chamber or Large Open Space
	Typical Listening Room
	Speakers mounted on or in front wall

RESULTS
Peak Music Level:	dB SPL (at listening position)
Peak THD+N Level:	dB SPL (at listening position)
AUDIBILITY
THD+N is absolutely inaudible if THD+N SPL level is negative.
THD+N may be audible if THD+N SPL level is positive.

Click "Read More" for a tutorial and a more advanced version of this calclulator.

Sensitivity

Peak SPL Calculator

Speaker Sensitivity Converter

Headphone Sensitivity Converter

THD+N Audibility Calculator

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