What is the recommended ported (bass reflex) box volume for Dayton Audio PA130-8?

According to electroacoustic alignment calculations, Dayton Audio PA130-8 performs optimally in a 5.9 liter vented enclosure tuned to 64.2 Hz, reaching an F3 cutoff of approximately 67.0 Hz.

Can Dayton Audio PA130-8 be used in a sealed box?

Yes. In a sealed (acoustic suspension) enclosure of 4.3 liters with a Qtc of 0.707, the system exhibits an F3 of 109.1 Hz with tight transient response and natural roll-off.

What port dimensions should be used for Dayton Audio PA130-8 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 20.6 cm is recommended.

Reflex Optimized

Dayton Audio PA130-8

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

33.45 EUR

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⚠️ Engineering Notice for Builders

Limited linear excursion (Xmax: 2.0 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)	5.9 Liters
Tuning Frequency (Fb)	64.2 Hz
F3 (-3 dB Cutoff)	67.0 Hz
F6 / F10 Extension	55.5 Hz / 48.5 Hz
Port Inner Diameter	Ø 5.0 cm
Port Physical Length	20.6 cm
First Pipe Resonance	834.0 Hz
Estimated MOL @ F3	101.8 dB SPL

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Recommended Sealed (Acoustic Suspension)

MAX TRANSIENT DAMPING

Net Box Volume (Vb)	4.3 Liters
System Q (Qtc)	0.707 (Butterworth Q=0.707)
System Resonance (Fc)	113.0 Hz
F3 (-3 dB Cutoff)	109.1 Hz
F6 / F10 Extension	84.0 Hz / 64.0 Hz
Air Spring Linearity	High (Zero port compression)

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Verified Thiele/Small Parameters

Resonance (Fs)	83.4 Hz
Total Q (Qts)	0.51
Electrical Q (Qes)	0.606
Mechanical Q (Qms)	3.21

Equivalent Volume (Vas)	4.0 Liters
Diaphragm Area (Sd)	73.9 cm²
DC Resistance (Re)	7.1 Ω
Efficiency Bandwidth Product (EBP)	137.5

Linear Excursion (Xmax)	2.0 mm
Thermal Power (Pe)	50.0 W
Nominal Diameter	5.0"
Catalog Source	Manufacturer Official Datasheet

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[b]Dayton Audio PA130-8[/b] — 5.9L Bass Reflex tuned to 64.2Hz (F3: 67.0Hz). Designed with [url=https://loadforge.io]Load Forge[/url].

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