stute.x1A Audio Analyzer

Precise electrical & acoustical measurements

Measurements up to 90kHz@192k sample rate
Find the best driver transmission range.
Check the audio Filter behavior (Cutoff frequency...)
Test your audio filter impedance EQ-circuit (RC/RLC)
Verify the bass reflex port tuning. IDENTIFY AND IMPROVE SOUND ERRORS
Test your audio amplifier or TONE/EQUALIZER CONTROL function
Measure the driver thiele small parameter (Vas, qts,...)
Analyze the signal distortion  (k2..k7)

Application samples

Key features

Frequency range
Wide measurement range up to 90kHz
Usage of a standard USB audio interface with MIC input 
high repeat accuracy for electrical & acoustical measurement
User interface
User & touch-screen friendly Design. No overloaded screens.
Multi-channel measurement and powerful xy screen 
Microphone correction via ASCII file 
Audio signal source
Audio signal generator included
SPL measurement
SPL correct acoustical measurement supported

How It Works

Step 1

Connect your USB audio interface to your PC.

Step 2

Install stute.x1A and configure initial the Audio Analyzer system.

Step 3

Ready: Start with your first measurements.


XY screen


System requirements

Computer with MS-Windows 7, 8, 10 (32 & 64 bit). Processor i3 1.5GHz or above, screen resolution min. 1024x768 pixel. Internet connection to activate the license.


Commercial USB Audio interface with headphone output, stereo line input and microphone input.  Level of inputs and outputs adjustable. Supported driver ASIO or Windows WDM.  Sample rate 44.1kHz, 48kHz, 96kHz, 176.4kHz, 192kHz.  


Simple interface stute.x1S for electrical / Z measurement. Only acoustical measurement without stute.x1S possible. 


stute.x1A Starter PRO

For your quick start

stute.x1A Starter Kit: Kit includes Software stute.x1A, measurement microphone with XLR cable (10m), USB audio interface, stute.x1S BOX interface and cable x1S <-> audio interface. 

INterface for stute.x1A

stute.x1S BOX

Easy construction set: printed circuit board (PCB), components, case, aluminum front & real panel (size 66x66x28mm)  


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