What is the recommended ported (bass reflex) box volume for Beyma LOUDSPEAKER 15LEX1600Nd 8 OH?

According to electroacoustic alignment calculations, Beyma LOUDSPEAKER 15LEX1600Nd 8 OH performs optimally in a 72.7 liter vented enclosure tuned to 43.2 Hz, reaching an F3 cutoff of approximately 43.0 Hz.

Can Beyma LOUDSPEAKER 15LEX1600Nd 8 OH be used in a sealed box?

Yes. In a sealed (acoustic suspension) enclosure of 31.9 liters with a Qtc of 0.707, the system exhibits an F3 of 78.4 Hz with tight transient response and natural roll-off.

What port dimensions should be used for Beyma LOUDSPEAKER 15LEX1600Nd 8 OH to avoid port chuffing?

To keep vent air velocity below turbulence limits at rated power, a minimum port diameter of 20.0 cm with a length of 55.1 cm is recommended.

Reflex Optimized

Beyma LOUDSPEAKER 15LEX1600Nd 8 OH

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

387.62 GBP

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⚠️ Engineering Notice for Builders

Port length (55.1 cm) is long; consider an elbow bend, slotted vent, or passive radiator to avoid box collision.

Recommended Bass Reflex (Vented)

OPTIMIZED EXTENSION

Net Box Volume (Vb)	72.7 Liters
Tuning Frequency (Fb)	43.2 Hz
F3 (-3 dB Cutoff)	43.0 Hz
F6 / F10 Extension	38.9 Hz / 34.6 Hz
Port Inner Diameter	Ø 20.0 cm
Port Physical Length	55.1 cm
First Pipe Resonance	312.0 Hz
Estimated MOL @ F3	122.6 dB SPL

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Recommended Sealed (Acoustic Suspension)

MAX TRANSIENT DAMPING

Net Box Volume (Vb)	31.9 Liters
System Q (Qtc)	0.707 (Butterworth Q=0.707)
System Resonance (Fc)	77.6 Hz
F3 (-3 dB Cutoff)	78.4 Hz
F6 / F10 Extension	56.0 Hz / 40.7 Hz
Air Spring Linearity	High (Zero port compression)

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Verified Thiele/Small Parameters

Resonance (Fs)	41.0 Hz
Total Q (Qts)	0.36
Electrical Q (Qes)	0.381
Mechanical Q (Qms)	6.6

Equivalent Volume (Vas)	91.0 Liters
Diaphragm Area (Sd)	880.0 cm²
DC Resistance (Re)	5.5 Ω
Efficiency Bandwidth Product (EBP)	107.7

Linear Excursion (Xmax)	14.5 mm
Thermal Power (Pe)	1600.0 W
Nominal Diameter	15.0"
Catalog Source	Manufacturer Official Datasheet

Shareable Acoustic Card for Forums & Social Media

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Beyma LOUDSPEAKER 15LEX1600Nd 8 OH Enclosure Card

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[b]Beyma LOUDSPEAKER 15LEX1600Nd 8 OH[/b] — 72.7L Bass Reflex tuned to 43.2Hz (F3: 43.0Hz). Designed with [url=https://loadforge.io]Load Forge[/url].

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