Vented Specialist

Kartesian Wom165_vHE-e2

Best box: 26.4 L bass reflex tuned to 43.1 Hz · F3 41.2 Hz

Predicted SPL response of the Kartesian Wom165_vHE-e2 in the recommended 26.4 L bass reflex box versus the alternative — open it in the simulator Open and tweak this box live ↗

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⚠️ Engineering Notice for Builders

  • The textbook alignment (26.4 L at 37.5 Hz) would need a 56.3 cm port; the recommendation is retuned to 26.4 L at 43.1 Hz so the port can be built.
  • Xmax is not published, so the port size is an empirical estimate (area ≥ 12 in² per ft³ of net volume, minimum by driver size), not a displacement calculation. Check air velocity in Load Forge Studio.

Recommended Bass Reflex (Vented)

PORT BUILDABLE
Net Box Volume (Vb) 26.4 Liters
Tuning Frequency (Fb) 43.1 Hz
F3 (-3 dB Cutoff) 41.2 Hz
F6 / F10 Extension 37.2 Hz / 33.0 Hz
Port Inner Diameter ESTIMATED Ø 10.0 cm
Port Physical Length 40.9 cm
First Pipe Resonance 421.0 Hz
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Recommended Sealed (Acoustic Suspension)

MAX TRANSIENT DAMPING
Net Box Volume (Vb) 11.6 Liters
System Q (Qtc) 0.707 (Butterworth)
System Resonance (Fc) 68.0 Hz
F3 (-3 dB Cutoff) 69.4 Hz
F6 / F10 Extension 52.1 Hz / 39.2 Hz
Air Spring Linearity High (Zero port compression)
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Thiele/Small Parameters

Resonance (Fs) 36.0 Hz
Total Q (Qts) 0.365
Electrical Q (Qes) 0.388
Mechanical Q (Qms) 6.2
Equivalent Volume (Vas) 31.8 Liters
Diaphragm Area (Sd) 123.0 cm²
DC Resistance (Re) 6.0 Ω
Efficiency Bandwidth Product (EBP) 92.9
Linear Excursion (Xmax) N/A mm
Thermal Power (Pe) N/A W
Nominal Diameter 6.0"
Catalog Source Load Forge catalog (manufacturer datasheets and retailer listings)

Frequently Asked Questions

What is the recommended ported (bass reflex) box volume for Kartesian Wom165_vHE-e2?

Load Forge's calculated alignment puts Kartesian Wom165_vHE-e2 in a 26.4 liter vented enclosure tuned to 43.1 Hz, reaching an F3 cutoff of approximately 41.2 Hz.

Can Kartesian Wom165_vHE-e2 be used in a sealed box?

Yes. In a sealed (acoustic suspension) enclosure of 11.6 liters with a Qtc of 0.707 (Butterworth), the system exhibits an F3 of 69.4 Hz.

What port dimensions should be used for Kartesian Wom165_vHE-e2 to avoid port chuffing?

Xmax is not published for Kartesian Wom165_vHE-e2, so the port is an empirical estimate: a 10.0 cm diameter with a length of 40.9 cm (area at least 12 in² per ft³ of net volume). Check the air velocity at your power level in Load Forge Studio.

Shareable Acoustic Card for Forums & Social Media

Embed this design card on DIYAudio, AVSForum, Reddit, or Facebook. It shows the calculated F3, MOL (when the power rating is published) and box parameters.

Kartesian Wom165_vHE-e2 Enclosure Card
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