What is the recommended ported (bass reflex) box volume for B&C Speakers 5MDN38 16Ω?

According to electroacoustic alignment calculations, B&C Speakers 5MDN38 16Ω performs optimally in a 1.5 liter vented enclosure tuned to 187.0 Hz, reaching an F3 cutoff of approximately 166.7 Hz.

Can B&C Speakers 5MDN38 16Ω be used in a sealed box?

Yes. In a sealed (acoustic suspension) enclosure of 0.7 liters with a Qtc of 0.707, the system exhibits an F3 of 165.3 Hz with tight transient response and natural roll-off.

What port dimensions should be used for B&C Speakers 5MDN38 16Ω to avoid port chuffing?

To keep vent air velocity below turbulence limits at rated power, a minimum port diameter of 6.8 cm with a length of 15.9 cm is recommended.

Reflex Optimized

B&C Speakers 5MDN38 16Ω

Complete Thiele/Small parameters, optimized ported (bass reflex) and sealed enclosure designs, F3/F6/F10 cutoffs, and vent turbulence analysis calculated by Load Forge.

Estimated Retail

110.09 EUR

Check Price & Availability ↗ Open in Load Forge Simulator ↗

⚠️ Engineering Notice for Builders

Limited linear excursion (Xmax: 3.5 mm); set a high-pass subsonic filter at 25–30 Hz when driven with high power.

Recommended Bass Reflex (Vented)

OPTIMIZED EXTENSION

Net Box Volume (Vb)	1.5 Liters
Tuning Frequency (Fb)	187.0 Hz
F3 (-3 dB Cutoff)	166.7 Hz
F6 / F10 Extension	152.7 Hz / 138.1 Hz
Port Inner Diameter	Ø 6.8 cm
Port Physical Length	15.9 cm
First Pipe Resonance	1082.0 Hz
Estimated MOL @ F3	110.7 dB SPL

Simulate This Reflex Box in App →

Recommended Sealed (Acoustic Suspension)

MAX TRANSIENT DAMPING

Net Box Volume (Vb)	0.7 Liters
System Q (Qtc)	0.707 (Butterworth Q=0.707)
System Resonance (Fc)	329.2 Hz
F3 (-3 dB Cutoff)	165.3 Hz
F6 / F10 Extension	137.9 Hz / 109.0 Hz
Air Spring Linearity	High (Zero port compression)

Simulate This Sealed Box in App →

Verified Thiele/Small Parameters

Resonance (Fs)	230.0 Hz
Total Q (Qts)	0.48
Electrical Q (Qes)	0.571
Mechanical Q (Qms)	3.0

Equivalent Volume (Vas)	0.8 Liters
Diaphragm Area (Sd)	95.0 cm²
DC Resistance (Re)	11.7 Ω
Efficiency Bandwidth Product (EBP)	402.5

Linear Excursion (Xmax)	3.5 mm
Thermal Power (Pe)	100.0 W
Nominal Diameter	5.0"
Catalog Source	Manufacturer Official Datasheet

Shareable Acoustic Card for Forums & Social Media

Embed this verified design card on DIYAudio, AVSForum, Reddit, or Facebook. Includes verified F3, MOL, and box parameters.

Copy Forum BBCode (DIYAudio / AVSForum)

[url=https://loadforge.io/drivers/bc-speakers-5mdn38-16][img]https://loadforge.io/api/v1/card/bc-speakers-5mdn38-16.svg[/img][/url]
[b]B&C Speakers 5MDN38 16Ω[/b] — 1.5L Bass Reflex tuned to 187.0Hz (F3: 166.7Hz). Designed with [url=https://loadforge.io]Load Forge[/url].

Download SVG Card 📥

Not sure if 5MDN38 16Ω fits your physical space?

Don't force a driver into the wrong box. Use Bass Match to calculate which of 9,000+ verified manufacturer drivers delivers the highest SPL, lowest F3, and cleanest port air velocity for your exact trunk or room dimensions.

Run Bass Match for Your Space ⚡