What is the recommended ported (bass reflex) box volume for Dayton Audio CE4876-8?

According to electroacoustic alignment calculations, Dayton Audio CE4876-8 performs optimally in a 1.5 liter vented enclosure tuned to 172.5 Hz, reaching an F3 cutoff of approximately 151.7 Hz.

Can Dayton Audio CE4876-8 be used in a sealed box?

Yes. In a sealed (acoustic suspension) enclosure of 1.5 liters with a Qtc of 1.588, the system exhibits an F3 of 172.0 Hz with tight transient response and natural roll-off.

What port dimensions should be used for Dayton Audio CE4876-8 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 9.6 cm is recommended.

Reflex Optimized

Dayton Audio CE4876-8

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

10.45 EUR

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⚠️ Engineering Notice for Builders

Limited linear excursion (Xmax: 2.2 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)	172.5 Hz
F3 (-3 dB Cutoff)	151.7 Hz
F6 / F10 Extension	138.9 Hz / 128.7 Hz
Port Inner Diameter	Ø 5.0 cm
Port Physical Length	9.6 cm
First Pipe Resonance	1790.0 Hz
Estimated MOL @ F3	101.6 dB SPL

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Recommended Sealed (Acoustic Suspension)

MAX TRANSIENT DAMPING

Net Box Volume (Vb)	1.5 Liters
System Q (Qtc)	1.588 (Butterworth Q=0.707)
System Resonance (Fc)	222.2 Hz
F3 (-3 dB Cutoff)	172.0 Hz
F6 / F10 Extension	150.7 Hz / 126.0 Hz
Air Spring Linearity	High (Zero port compression)

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Verified Thiele/Small Parameters

Resonance (Fs)	203.0 Hz
Total Q (Qts)	1.42
Electrical Q (Qes)	1.721
Mechanical Q (Qms)	8.13

Equivalent Volume (Vas)	0.4 Liters
Diaphragm Area (Sd)	26.3 cm²
DC Resistance (Re)	7.2 Ω
Efficiency Bandwidth Product (EBP)	118.0

Linear Excursion (Xmax)	2.2 mm
Thermal Power (Pe)	15.0 W
Nominal Diameter	2.0"
Catalog Source	Manufacturer Official Datasheet

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[b]Dayton Audio CE4876-8[/b] — 1.5L Bass Reflex tuned to 172.5Hz (F3: 151.7Hz). Designed with [url=https://loadforge.io]Load Forge[/url].

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