See VituixCAD User Manual for details, installation and using.
Download the latest build: VituixCAD3_setup.exe. See also changelog.
Crossover simulation | V3.0 | V1.1 | XSim | ||
| Crossover topologies | Formal ladder | x | ✓ | x | |
| Free form | ✓ | x | ✓ | ||
| Crossover variants | ✓ | x | x | active digitals with different DSP | |
| Response data | Single direction | ✓ | ✓ | ✓ | |
| Few directions | ✓ | ✓ | x | ||
| Quasi full space with responses in two planes | ✓ | ✓ | x | max 360 directions in hor plane + 358 in ver plane = 718 | |
| Off-axis with constant or variable angle step | ✓ | ✓ | x | ||
| Off-axis angle coverage -179...0...+180 deg or less | ✓ | ✓ | x | ||
| CLIO balloon angle decoding | ✓ | x | x | hor & ver planes only | |
| EASE balloon angle decoding | ✓ | x | x | hor & ver planes only, optional plane swapping for Klippel NFS | |
| VACS balloon angle decoding | ✓ | x | x | hor & ver planes only, optional plane swapping for Klippel NFS | |
| Monkey Forest balloon angle decoding | ✓ | x | x | hor & ver planes only | |
| Active components | High/low pass, minimum phase (IIR) | ✓ | ✓ | ✓ | 1st, 2nd, Bes, But, Che, L-R 2nd-8th order |
| Peak/Notch, minimum phase (IIR) | ✓ | ✓ | ✓ | Parametric EQ, Bandpass, Bandstop | |
| All pass, minimum phase (IIR) | ✓ | ✓ | ✓ | 1st, 1st inv, 2nd, 2nd inv | |
| Shelving high/low pass (IIR) | ✓ | ✓ | ✓ | 1st, 2nd order | |
| Slope, minimum phase (IIR) | ✓ | x | x | ||
| High/low pass, linear phase (FIR) | ✓ | x | x | 1st, 2nd, Bes, But, L-R, 2nd-8th order, Horbach-Keele, Brickwall | |
| Peak/Notch, linear phase (FIR) | ✓ | x | x | Gain EQ, Phase EQ | |
| All pass, linear phase (FIR) | ✓ | x | x | 1st, 2nd, Bes, But, L-R 2nd-8th phase linearisation | |
| Shelving high/low pass, linear phase (FIR) | ✓ | x | x | 1st, 2nd order | |
| Buffer | ✓ | ✓ | ✓ | ||
| OP amplifier | ✓ | x | ✓ | ||
| Digital biquad with free coefficients | ✓ | x | x | compatible with RBJ or miniDSP | |
| Transfer function file | ✓ | ✓ | x | frd/txt response | |
| DSP selection | ✓ | x | x | Behringer, dbx, FourAudio, Generic (RBJ), (Hypex), Marani, miniDSP, Nova, Platin, RAM, t.amp, t.racks, Xilica | |
| Generator | ✓ | x | ✓ | Adjustable voltage, delay and resistance | |
| Passive components | Resistor | ✓ | ✓ | ✓ | |
| Capacitor | ✓ | ✓ | ✓ | ||
| Inductor | ✓ | ✓ | ✓ | ||
| Transformer | ✓ | x | x | ideal | |
| Wire | ✓ | ✓ | ✓ | V3.0 man, V1.1 auto | |
| Ground | ✓ | x | ✓ | ||
| Driver | ✓ | ✓ | ✓ | V3.0 1-n drivers, V1.1 4 drivers. Location XYZ mm, rotation R deg, tilt T deg | |
| Library blocks | Standard library blocks | ✓ | ✓ | ✓ | |
| User designed blocks | ✓ | x | ✓ | ||
| Value calculation with block attributes | ✓ | x | ✓ | ||
| Option list for calculation | ✓ | x | x | ||
| Driver layout | Linear and curved driver arrays | ✓ | x | x | |
Graphs | V3.0 | V1.1 | XSim | ||
| On-axis magnitude | Total SPL | ✓ | ✓ | ✓ | |
| Driver's SPL | ✓ | ✓ | ✓ | ||
| Power & DI | Power response | ✓ | ✓ | x | Standard or CTA-2034-A weighting factors |
| Directivity index (DI) | ✓ | ✓ | x | Reference response: on-axis or LW | |
| CTA-2034-A spinorama (LW, ER, ERDI, PIR) | ✓ | x | x | ||
| Boundary reflections (floor, wall, ceiling) | ✓ | x | ✓ | ||
| Off-axis/directivity | Off-axis as Line chart | ✓ | ✓ | x | |
| Off-axis as Waterfall | ✓ | ✓ | x | V3.0 3D, V1.1 2D | |
| Off-axis as Surface chart | ✓ | ✓ | x | ||
| Off-axis as Polarmap | ✓ | ✓ | x | Adjustable contour lines. Color circle, Klippel and Gray palettes. | |
| Polart chart at selected frequency | ✓ | ✓ | x | ||
| Normalized by selected angle | ✓ | ✓ | x | ||
| On-axis phase | Total normal phase | ✓ | ✓ | ✓ | |
| Total minimum phase | ✓ | ✓ | x | ||
| Total excess phase | ✓ | ✓ | x | ||
| Driver's normal phase | ✓ | ✓ | ✓ | ||
| On-axis group delay | On-axis normal group delay | ✓ | ✓ | ✓ | |
| On-axis excess group delay | ✓ | ✓ | x | ||
| Filter | Transfer function magnitude | ✓ | ✓ | ✓ | |
| Impedance | Generator's load impedance | ✓ | x | ✓ | |
| Buffer's load impedance | ✓ | ✓ | x | ||
| Buffers total load impedance | ✓ | ✓ | x | ||
| Equivalent Peak Dissipation Resistance (EPDR) | ✓ | x | x | ||
| Lookback impedance of driver | x | x | ✓ | ||
| Common | Adjustable line color, width and type | ✓ | x | ✓ | |
| Copy single/all charts to clipboard | ✓ | x | ✓ | ||
| Export single/all charts to image file | ✓ | ✓ | ✓ | png, bmp, emf, exif, gif, ico, jpg, tif, wmf, V3.0: +svg | |
Optimizing | On-axis SPL | ✓ | ✓ | x | |
| Listening window /CTA-2034-A | ✓ | x | x | ||
| Driver SPL | ✓ | ✓ | x | V3.0 driver, V1.1 way | |
| Power response | ✓ | ✓ | x | ||
| Predicted in-room response /CTA-2034-A | ✓ | x | x | ||
| Filter transfer function at driver terminals | ✓ | ✓ | x | ||
| Preference rating | ✓ | x | x | Adjustable SM_ON, SM_LW, SM_ER, SM_PIR, SM_SP, AAD_ON, NBD_ON, NBD_PIR, LFX, LFQ, SL_ON, SL_LW, SL_PIR, SL_SP | |
| Minimum impedance constraint | ✓ | ✓ | x | ||
| Maximum gain constraint | ✓ | x | x | ||
| On-axis linearity constraint | ✓ | x | x | ||
| Frequency range contraint | ✓ | ✓ | x | ||
| Optimizes crossover connection | x | x | x | ||
| Optimizes component values/parameters | ✓ | ✓ | x | ||
| Optimizes block attributes | ✓ | x | x | ||
| Ideal (linear) target with tilt | ✓ | ✓ | x | ||
| Optional HP and LP | ✓ | x | x | ||
| Linear-phase target | ✓ | x | x | ||
| Target as txt/frd file | ✓ | x | x | scale, delay, invert, smooth, minimum phase | |
Parts list | Parts list | ✓ | ✓ | x | |
Time domain | V3.0 | V1.1 | XSim | ||
| Parameters | Sample rate | ✓ | ✓ | x | 44100-192000 Hz |
| FFT length | ✓ | ✓ | x | 8192-262144 | |
| Taps | ✓ | ✓ | x | V3.0 128-131072, V1.1 512-131072 | |
| Window function | ✓ | ✓ | x | V3.0 14 types, V1.1 9 types | |
| Delay | ✓ | ✓ | x | ||
| Traces | Impulse response | ✓ | ✓ | ✓ | |
| Impulse in dBFS | ✓ | x | x | ||
| Impulse envelope (ETC) | ✓ | x | x | smoothing 0-32 samples | |
| Step response | ✓ | ✓ | ✓ | ||
| Square wave response | x | x | ✓ | ||
| IR view and export | Buffer out | ✓ | ✓ | x | |
| Driver in | ✓ | x | x | ||
| Driver SPL | ✓ | x | ✓ | ||
| Total axial SPL | ✓ | ✓ | ✓ | ||
| Listening window SPL | ✓ | x | x | ||
| Export for FIR gear/app | ✓ | ✓ | x | wav, txt, bin | |
Power dissipation | V3.0 | V1.1 | XSim | ||
| Signal parameters | Crest factor | ✓ | ✓ | x | |
| Flat spectrum | ✓ | ✓ | ✓ | ||
| Pinky spectrum | ✓ | ✓ | x | adjustable LP | |
| M-Noise | ✓ | x | x | ||
| HP and LP | ✓ | x | x | ||
| Graph traces | Power spectrum | ✓ | ✓ | ✓ | |
| Current spectrum | ✓ | x | ✓ | ||
| Voltage spectrum | ✓ | x | ✓ | ||
| Peak voltage spectrum | ✓ | x | x | ||
| Total wide-band dissipation | ✓ | x | x | as tooltip | |
Radiator simulation | V3.0 | V1.1 | XSim | ||
| Radiator types | Infinite baffle | ✓ | ✓ | x | |
| Closed | ✓ | ✓ | x | ||
| Bass reflex | ✓ | ✓ | x | ||
| Double tuned bass reflex | ✓ | ✓ | x | ||
| Passive raditor | ✓ | ✓ | x | ||
| Band pass type 1 | ✓ | ✓ | x | ||
| Band pass type 1 passive radiator | ✓ | ✓ | x | ||
| Band pass type 2 | ✓ | ✓ | x | ||
| Band pass type 3 | ✓ | ✓ | x | ||
| Transmission line | x | x | x | ||
| Horn | x | x | x | ||
| Wave guide | x | x | x | ||
| Leaking ports | x | x | x | ||
| Radiator options | Multiple drivers | ✓ | ✓ | x | 1-12 pcs in parallel, series, 2||2, 3||3 |
| Isobaric | ✓ | x | x | series or parallel | |
| Extra mass | ✓ | ✓ | x | ||
| Output resistance | ✓ | ✓ | x | ||
| Table alignment | ✓ | ✓ | x | vented with Thiele/Hoge/Bullock, closed with Vas | |
| Drivers | Driver database | ✓ | ✓ | x | local, on-line |
| Driver database filtering and sorting | ✓ | ✓ | x | V2: advanced, V1.1: simple | |
| Calculation of T/S parameters | ✓ | x | x | added mass, dual added mass, closed, known BL/Mms | |
| Solver for passive radiator parameters | ✓ | x | x | Vap, Qmp and Mmp of PR. Qa and Ql of box. | |
| Impedance models | ✓ | ✓ | x | Le+Leb+Ke+Rss, Z1k+Z10k | |
| Graphs | SPL | ✓ | ✓ | x | half space total, cone, vent, passive, maximum, phase, full space total |
| Power | ✓ | ✓ | x | real, apparent, maximum | |
| Excursion | ✓ | ✓ | x | cone, passive, Xmax/Xsus, force/acceleration | |
| Impedance | ✓ | ✓ | x | magnitude, phase | |
| Group delay, Filter TF | ✓ | ✓ | x | normal GD | |
| Velocity | ✓ | ✓ | x | cone, vent, passive | |
| Force | ✓ | x | x | cone, passive | |
| Simulated directivity | x | ✓ | x | Omni, cardioid, super-, -hyper-, adjustable gradient | |
| Filter transfer function | ✓ | x | x | ||
| Misc | Enclosure+driver projects | ✓ | x | x | |
| Selectable local driver database | ✓ | x | x | ||
| Filter | ✓ | x | x | 6 active filter stages: HP, LP, SLP, PEQx2, L-T | |
| Diffraction response | ✓ | ✓ | x | optional for full space total | |
Diffraction simulation | V3.0 | V1.1 | XSim | ||
| On-axis...listening window | ✓ | ✓ | x | ||
| Full space simulation | ✓ | ✓ | x | ||
| Open baffle | ✓ | ✓ | x | ||
| Multiple drivers | ✓ | ✓ | x | 1-50 drivers, line array with c-c step | |
| Multiple corners | ✓ | ✓ | x | 3-36 corners | |
| Rectangular drivers | ✓ | ✓ | x | ||
| Rounded edge | ✓ | ✓ | x | ||
| Floor reflection | ✓ | ✓ | x | ||
| Wall reflection | ✓ | ✓ | x | ||
| Off-axis response export | ✓ | ✓ | x | ver/hor, pos/neg angles, adjustable angle step | |
Response merging | V3.0 | V1.1 | XSim | ||
| LF near field sum with baffle effect response | ✓ | ✓ | x | no baffle loss, spherical loss, diffraction response file | |
| LF off-axis with directivity of HF off-axis | ✓ | ✓ | x | ||
| LF off-axis with textbook polar pattern | ✓ | x | x | forcing to gradient with adjustable monopole part and frequency | |
| Merging of far field LF to far field HF | ✓ | ✓ | x | ||
| Magnitude scaling | ✓ | ✓ | x | manual or by LF diameters and far field distance | |
| Transition | Adjustable frequency | ✓ | ✓ | x | 40-5000 Hz |
| Delay+phase matching | ✓ | ✓ | x | automatic or manual | |
| Adjustable blending range | ✓ | ✓ | x | 0, 1/2, 1, 2, 3, 4 octs | |
| Output options | Minimum phase | ✓ | ✓ | x | with or without GD of HF response |
| Extended data for LspCAD 6.0 | ✓ | ✓ | x | ||
Response tracing | V3.0 | V1.1 | XSim | ||
| Trace color detection | ✓ | ✓ | x | ||
| Dark background support | ✓ | x | x | ||
| Grid rubber | ✓ | ✓ | x | ||
| Trace rubber | ✓ | ✓ | x | ||
| Image rubber | ✓ | ✓ | x | ||
| Logarithmic Z axis | ✓ | ✓ | x | ||
| Minimum phase calculation | ✓ | ✓ | x | ||
| Smoothing | ✓ | ✓ | x | ||
Response calculation | V3.0 | V1.1 | XSim | ||
| Multiple output | Ai + B | ✓ | ✓ | x | |
| Ai - B | ✓ | ✓ | x | ||
| Ai * B | ✓ | ✓ | x | ||
| Ai / B | ✓ | ✓ | x | ||
| B / Ai | ✓ | ✓ | x | ||
| Ai / f | ✓ | ✓ | x | ||
| Average by off-axis angle A | ✓ | x | x | ||
| Mirror Ai | ✓ | ✓ | x | ||
| Normalize Ai | ✓ | ✓ | x | ||
| Scale, Delay, Invert Ai | ✓ | ✓ | x | ||
| Minimum phase Ai | ✓ | ✓ | x | V3.0 band cropping and slope extension, delay maintain | |
| Group delay Ai | ✓ | ✓ | x | ||
| Real Ai | ✓ | ✓ | x | ||
| B * Ai / A(0) | ✓ | ✓ | x | ||
| Mic in Box Ai | ✓ | x | x | ||
| Uncap A z B | ✓ | x | x | ||
| Ai * piston directivity(Sd, angle) | ✓ | ✓ | x | circular or rectangular | |
| Single output | Sum of A | ✓ | ✓ | x | |
| Average of A | ✓ | ✓ | x | ||
| RMS of A | ✓ | ✓ | x | ||
| Maximum of A | ✓ | ✓ | x | ||
Other calculators | V3.0 | V1.1 | XSim | ||
| Time window | ✓ | ✓ | x | ||
| Wave length | ✓ | ✓ | x | ||
| Near field | ✓ | ✓ | x | ||
| Sample time | ✓ | ✓ | x | ||
| Box volume | ✓ | x | x | ||
| Time align | ✓ | x | x | ||
Converting IRs to FRs | V3.0 | V1.1 | XSim | ||
| File type support | ARTA pir | ✓ | x | x | |
| CLIO mls, crp | ✓ | x | x | ||
| MLSSA text | ✓ | x | x | ||
| Plain text (without sample rate field) | ✓ | x | x | ||
| WAV | ✓ | x | x | ||
| FFT project/session file | ✓ | x | x | ||
| FFT parameters | Left time window | ✓ | x | x | optional, Rectangular, Bartlett, Blackman, Blackman-Harris, Blackman-Nuttall, Cosine 0.50/0.75/1.0, Hamming, Hanning, Nuttall, Tukey 0.25/0.50/0.75 |
| Right time window | ✓ | x | x | Rectangular, Bartlett, Blackman, Blackman-Harris, Blackman-Nuttall, Cosine 0.50/0.75/1.0, Hamming, Hanning, Nuttall, Tukey 0.25/0.50/0.75 | |
| Minimum phase for calibration file | ✓ | x | x | optional | |
| Full resolution FFT (constant f step) | ✓ | x | x | optional | |
| Frequency response smoothing | ✓ | x | x | none, 1/24, ..., 1/2 oct, 6th order Butterworth | |
| Frequency range cropping | ✓ | x | x | optional | |
| Adjustable FFT length | ✓ | x | x | 4k...1M | |
| Graphs | Impulse response | ✓ | x | x | impulse response, impulse envelope (ETC), impulse dBFS, step response, overlays |
| Frequency response | ✓ | x | x | magnitude, normal phase, minimum phase, excess phase, overlays | |
Miscellaneous | V3.0 | V1.1 | XSim | ||
| User manual | ✓ | ✓ | x | ||
| Measurement instructions | ✓ | ✓ | x | ARTA, CLIO, SoundEasy and REW | |
| Built-in dark theme | ✓ | x | x | ||
| Windows | ✓ | ✓ | ✓ | Win 10-11 highly recommended | |
| Linux | x | x | x | On Windows virtual machine. Usable on Wine 6.6 or later, but UX and performance are worse than real Windows | |
| macOS | x | x | x | On Windows virtual machine only |
Few thousand do-it-yourself enthusiasts and commercial companies such as