Reverberation Time (Sabine)
Sabine T60 estimate with frequency chart.
Open calculator →Tools & Calculators
Free browser-based audio engineering calculators for room acoustics, live PA, speaker building, and studio workflow. Updated from the AudioDesignSpace calculator collection.
32 calculators
Room acoustics
Eyring T60
Compare Sabine and Eyring reverberation time.
Open calculator →RT60 Measurement Planner
Schroeder frequency and measurement positions.
Open calculator →Schroeder Frequency
Modal to statistical transition frequency.
Open calculator →Standing Waves
Room modes and problematic frequencies.
Open calculator →Critical Distance
Direct vs reverberant field boundary.
Open calculator →Helmholtz Resonator
Resonator dimensions and construction output.
Open calculator →Perforated Panel Absorber
Basic and advanced absorber optimizer.
Open calculator →Bass Trap
Quarter-wave and porous trap dimensions.
Open calculator →QRD Diffuser
Schroeder quadratic residue well depths.
Open calculator →PA / live sound
PA Delay
Sound travel time by distance and air conditions.
Open calculator →Line Array Delay
Per-cabinet delay for arc or straight taper.
Open calculator →SPL Distance
Inverse-square loss and multi-source sum.
Open calculator →Coverage Angle
Coverage width and SPL at throw distance.
Open calculator →Feedback Margin
Estimated stable gain before feedback.
Open calculator →Haas / Precedence
Delay zones and psychoacoustic guidance.
Open calculator →Subwoofer Placement
Placement and summation visualization.
Open calculator →Speaker building
Speaker Box Volume (2D)
Volume and dimension drawings.
Open calculator →Speaker Box Volume (3D)
Volume with 3D preview.
Open calculator →Pentagonal Speaker Box
Monitor enclosure geometry.
Open calculator →Bass Reflex Port
Port length from Vb, Fb, and diameter.
Open calculator →Thiele-Small Alignment
Sealed and ported volume suggestions.
Open calculator →Baffle Step
Baffle-step frequency from width.
Open calculator →Passive Crossover
First-order cap and inductor values.
Open calculator →SPL from Power
Sensitivity, power, and distance.
Open calculator →Studio / system
Monitor Triangle
Equilateral listening triangle setup.
Open calculator →LUFS Headroom
Streaming loudness targets and peak margin.
Open calculator →Sample Delay
ms, samples, and distance at sample rate.
Open calculator →MIDI / Frequency
Note number and Hz conversion.
Open calculator →Amp / Speaker Match
Power, impedance, and SPL check.
Open calculator →Cable Capacitance
HF roll-off from cable capacitance.
Open calculator →Audio System Configurator
Speaker and system recommendations.
Open calculator →