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Buy one component and save 10% on up to 2 cables. Buy 2 components and get 4 free cables. Free shipping on USA orders over $700. We will be closed on Good Friday (4/18/25).

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Audio Calculators

Amplifier Output Calculator

by Benchmark Media Systems November 23, 2022

Amps Calculators dBu Noise SNR SPL Vrms Watts

Amplifier Output Calculator

Results update on input change.

Results

Amplifier Output Noise Calculator

Results update on input change.

Results

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THD+N Audibility Calculator

by Benchmark Media Systems November 16, 2022

Calculators Noise Sensitivity SPL THD

Step 1 - Use this calculator to convert THD or THD+N from percent to dB (if necessary)

THD % to dB Converter

Results update on input change.

Enter THD in %:

Results

Step 2 - Use this calculator to compute the sound pressure level (SPL) of THD or THD+N

THD+N Audibility Calculator

Results update on input change.

Select Number of Speakers:

Select Room Configuration:

Results

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 Full Post" for a tutorial and a more advanced version of this calculator.

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SNR to Output Noise Calculator

by Benchmark Media Systems November 16, 2022

Calculators DAC3 Noise SNR

SNR (dBu) to Output Noise Calculator

Results update on input change.

Results

SNR (Vrms) to Output Noise Calculator

Results update on input change.

Results

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Uncorrelated Noise Summation

by Benchmark Media Systems November 15, 2022

Calculators dB Noise SNR SPL

Noise Summation

Results update on input change.

Results

Units may be dBFS, dBSPL, dBV, dBu,
dBm, dBW, or dB relative to full output.
(All units must match)
Uncorrelated Noise Only

Noise Voltage Summation

Results

Units may be V, mV or uV.
(All units must match)
Uncorrelated Noise Only

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