stute.x1D Loudspeaker Box Designer
stute.x1D Loudspeaker Box Designer

Module “Project overview”

  • Complete overview about your loudspeaker box design
  • Easy jump into the details
  • Overall cost calculation
  • Review of "missed/incorrect" entries 
  • Add comments and measurement file
  • Print the project overview

Module “Speaker database”

  • Comfortable search according to type, manufacturer or T-S parameter
  • Very detailed description to each loudspeaker
  • Automatic recommendation "Sealed" and "Bass reflex"
  • Transfer of the specifications into other modules
  • Easy adding of new speakers (Import)
  • Web link to each speaker (e.g. to the web shop of your dealer)
  • PDF file link (e.g. to the manufacturer datasheet)
  • Speaker import function (free speaker files in the download area)
  • Print a datasheet
  • ...

Module “Audio crossover calculator”

  • Fast design via filter wizard (calculation & schematic). From Butterworth to Linkwitz-Riley
  • Replace "calculated" components with real parts from the material database. Check the influence
  • Simulation with DC resistor from inductance
  • Design and check of impedance EQ circuits (RC/RLC) and level divider
  • Frequency response simulation single way and total
  • Cost calculation and bill of material output
  • Schematic editor 

Module “Enclosure calculator”

  • Calculate loudspeaker cabinet types in seconds: Sealed, Vented, Radiator, Transmission Line
  • T-S parameter transfer from the speaker database or manual input
  • Check via simulation the design “Frequency response”, “Cone excursion”, "Impulse response", "Air speed port" (excepted Transmission Line)
  • Qts adjustment via DC resistor in series (e.g. inductance DC resistor)
  • Print output

Module “Enclosure designer”

  • Fast design of a loudspeaker box cabinet
  • Easy takeover of chassis dimension (like inner & outer diameter) transfer from the speaker database
  • Cabniet wizard
  • 2D cabinet view and dimension
  • Bill of material output
  • Cost calculation (material from the componet database)
  • Simple 3D view incl. rotation
  • Print output

Module “Component database”

  • Second database with audio crossover components (R,L,C,...) and loudspeaker cabniet material
  • Inductance L with DC resistor value (input for the simulation)
  • Search according to component type or value (inductance air core in the range 1mH to 3mH)
  • Web link for each component/material  (e.g. to the web shop of your distributor)
  • Easy adding of new material
  • ....

Simulation example: Audio crossover check

Assessment of the frequ. response with & without an impedance EQ circuit. Chart: Freq. response with/without Z EQ. Green without Z EQ

Simulation example: Audio crossover check

Check of the impedance EQ circuit. Chart: Impedance response. Red without Z EQ, Red with Z EQ

Simulation example: Vented enclosure 

Chart impulse response 

Simulation example: Sum freq. response 3 way 

3 way loudspeaker box. Red: Woofer, Green: Mid-range, Blue: Tweeter, Olive-green: Sum

Simulation example: Freq. response radiator loudspeaker system

Frequency response in depandance to the enclousre volume

Simulation example: Cone excursion loudspeaker assembled

Pink: Limit lin. cone excursion, value from loudspeaker database


For free: Re-calculate the prices of the loudspeaker and audio crossover / enclosure material for another currency

  • Easy to use
  • Enter the currency abbreviation, like "USD"
  • Enter the exchange rate (direct web link to a rates overview included)
  • Start the database update
  • stute.x1D displays the updated price and currency abbreviation
  • Program "DBCurrency" for free in our download area



System requirements

  • MS Windows 7, 8 or 10 (32 & 64 bit)
  • Processor i3 1.5GHz or above, RAM min. 2 GB
  • Screen resolution min. 1050x768 pixel. 
    • Only Windows 7: Font size 100%