What is the recommended ported (bass reflex) box volume for SB Acoustics MW16TX-8?

According to electroacoustic alignment calculations, SB Acoustics MW16TX-8 performs optimally in a 29.9 liter vented enclosure tuned to 33.4 Hz, reaching an F3 cutoff of approximately 34.2 Hz.

Can SB Acoustics MW16TX-8 be used in a sealed box?

Yes. In a sealed (acoustic suspension) enclosure of 13.4 liters with a Qtc of 0.707, the system exhibits an F3 of 63.0 Hz with tight transient response and natural roll-off.

What port dimensions should be used for SB Acoustics MW16TX-8 to avoid port chuffing?

To keep vent air velocity below turbulence limits at rated power, a minimum port diameter of 5.0 cm with a length of 14.1 cm is recommended.

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SB Acoustics MW16TX-8

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

299.95 EUR

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Recommended Bass Reflex (Vented)

OPTIMIZED EXTENSION

Net Box Volume (Vb)	29.9 Liters
Tuning Frequency (Fb)	33.4 Hz
F3 (-3 dB Cutoff)	34.2 Hz
F6 / F10 Extension	29.9 Hz / 26.1 Hz
Port Inner Diameter	Ø 5.0 cm
Port Physical Length	14.1 cm
First Pipe Resonance	1222.0 Hz
Estimated MOL @ F3	101.6 dB SPL

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Recommended Sealed (Acoustic Suspension)

MAX TRANSIENT DAMPING

Net Box Volume (Vb)	13.4 Liters
System Q (Qtc)	0.707 (Butterworth Q=0.707)
System Resonance (Fc)	61.2 Hz
F3 (-3 dB Cutoff)	63.0 Hz
F6 / F10 Extension	47.2 Hz / 35.4 Hz
Air Spring Linearity	High (Zero port compression)

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Verified Thiele/Small Parameters

Resonance (Fs)	29.3 Hz
Total Q (Qts)	0.33
Electrical Q (Qes)	0.355
Mechanical Q (Qms)	4.7

Equivalent Volume (Vas)	48.0 Liters
Diaphragm Area (Sd)	119.0 cm²
DC Resistance (Re)	6.2 Ω
Efficiency Bandwidth Product (EBP)	82.6

Linear Excursion (Xmax)	6.0 mm
Thermal Power (Pe)	60.0 W
Nominal Diameter	6.5"
Catalog Source	Manufacturer Official Datasheet

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[b]SB Acoustics MW16TX-8[/b] — 29.9L Bass Reflex tuned to 33.4Hz (F3: 34.2Hz). Designed with [url=https://loadforge.io]Load Forge[/url].

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