Sound Basics & Ohm's Law — Tom Danley Calculator

Parameters

Ohm's Law Input

Voltage (V)

Resistance / Real Load (R)

AC Reactance Input

Frequency (f)

Inductance (L)

Capacitance (C)

µF

AC Calculations:
X_L = 2πfL X_C = 1 / 2πfC
Z = R + j(X_L - X_C) PF = cos(θ)
S (VA) = V · I P (W) = S · PF

Calculated AC Values

Reactance (X_L) 0.00 Ω

Reactance (X_C) 0.00 Ω

Total Impedance (Z) 0.00 Ω

Phase Angle (θ) +0.0°

Power Factor (PF) 1.000

Current (I) 0.00 A

Power Triangle Components

Real Power (P) 0.00 W

Apparent Power (S) 0.00 VA

Reactive Power (Q) 0.00 VAR

Vector Representation (Power Triangle)

Acoustic & Reference Inputs

Sound Level

Sound Pressure Level

dBSPL

Electrical Reference

Voltage RMS

Power Reference

Acoustic Source Summation

Number of Equal Sources

Correlation Type

Acoustic Refs & Logarithms:
p_ref = 20 µPa I_ref = 1e-12 W/m²
dBu = 20 log₁₀(V / 0.7746) dBV = 20 log₁₀(V / 1.0)
Sum = SPL + K · log₁₀(N) (K=10 incoherent, K=20 coherent)

Acoustic & Decibel Bridge Results

Sound Level 94.0 dBSPL

dBV Level 0.00 dBV

dBu Level +2.22 dBu

dBm Level +30.0 dBm

dBW Level 0.00 dBW

Pressure (Pa) 1.000 Pa

Summation Output

Combined Sound Level 94.0 dBSPL

Summation Gain +0.0 dB

Sound Intensity 0.0025 W/m²

Relative sound levels (dB scale)