What is the recommended ported (bass reflex) box volume for Beyma LOUDSPEAKER 8WR300 8 OH?

According to electroacoustic alignment calculations, Beyma LOUDSPEAKER 8WR300 8 OH performs optimally in a 5.3 liter vented enclosure tuned to 88.7 Hz, reaching an F3 cutoff of approximately 92.0 Hz.

Can Beyma LOUDSPEAKER 8WR300 8 OH be used in a sealed box?

Yes. In a sealed (acoustic suspension) enclosure of 2.6 liters with a Qtc of 0.707, the system exhibits an F3 of 134.4 Hz with tight transient response and natural roll-off.

What port dimensions should be used for Beyma LOUDSPEAKER 8WR300 8 OH to avoid port chuffing?

To keep vent air velocity below turbulence limits at rated power, a minimum port diameter of 7.5 cm with a length of 26.4 cm is recommended.

Reflex Optimized

Beyma LOUDSPEAKER 8WR300 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

90.56 GBP

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Recommended Bass Reflex (Vented)

OPTIMIZED EXTENSION

Net Box Volume (Vb)	5.3 Liters
Tuning Frequency (Fb)	88.7 Hz
F3 (-3 dB Cutoff)	92.0 Hz
F6 / F10 Extension	82.1 Hz / 71.9 Hz
Port Inner Diameter	Ø 7.5 cm
Port Physical Length	26.4 cm
First Pipe Resonance	652.0 Hz
Estimated MOL @ F3	113.8 dB SPL

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Recommended Sealed (Acoustic Suspension)

MAX TRANSIENT DAMPING

Net Box Volume (Vb)	2.6 Liters
System Q (Qtc)	0.707 (Butterworth Q=0.707)
System Resonance (Fc)	165.4 Hz
F3 (-3 dB Cutoff)	134.4 Hz
F6 / F10 Extension	104.0 Hz / 78.6 Hz
Air Spring Linearity	High (Zero port compression)

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Verified Thiele/Small Parameters

Resonance (Fs)	65.0 Hz
Total Q (Qts)	0.27
Electrical Q (Qes)	0.284
Mechanical Q (Qms)	5.4

Equivalent Volume (Vas)	15.0 Liters
Diaphragm Area (Sd)	220.0 cm²
DC Resistance (Re)	6.0 Ω
Efficiency Bandwidth Product (EBP)	228.7

Linear Excursion (Xmax)	6.0 mm
Thermal Power (Pe)	300.0 W
Nominal Diameter	8.0"
Catalog Source	Manufacturer Official Datasheet

Shareable Acoustic Card for Forums & Social Media

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Beyma LOUDSPEAKER 8WR300 8 OH Enclosure Card

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[b]Beyma LOUDSPEAKER 8WR300 8 OH[/b] — 5.3L Bass Reflex tuned to 88.7Hz (F3: 92.0Hz). Designed with [url=https://loadforge.io]Load Forge[/url].

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