What is the recommended ported (bass reflex) box volume for Peerless by Tymphany TC5FC07-04?

According to electroacoustic alignment calculations, Peerless by Tymphany TC5FC07-04 performs optimally in a 1.5 liter vented enclosure tuned to 146.5 Hz, reaching an F3 cutoff of approximately 137.4 Hz.

Can Peerless by Tymphany TC5FC07-04 be used in a sealed box?

Yes. In a sealed (acoustic suspension) enclosure of 0.1 liters with a Qtc of 0.707, the system exhibits an F3 of 161.1 Hz with tight transient response and natural roll-off.

What port dimensions should be used for Peerless by Tymphany TC5FC07-04 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 14.7 cm is recommended.

Reflex Optimized

Peerless by Tymphany TC5FC07-04

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

12.00 USD

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⚠️ Engineering Notice for Builders

Limited linear excursion (Xmax: 2.67 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)	146.5 Hz
F3 (-3 dB Cutoff)	137.4 Hz
F6 / F10 Extension	131.5 Hz / 123.5 Hz
Port Inner Diameter	Ø 5.0 cm
Port Physical Length	14.7 cm
First Pipe Resonance	1170.0 Hz
Estimated MOL @ F3	93.3 dB SPL

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Recommended Sealed (Acoustic Suspension)

MAX TRANSIENT DAMPING

Net Box Volume (Vb)	0.1 Liters
System Q (Qtc)	0.707 (Butterworth Q=0.707)
System Resonance (Fc)	264.9 Hz
F3 (-3 dB Cutoff)	161.1 Hz
F6 / F10 Extension	132.8 Hz / 104.2 Hz
Air Spring Linearity	High (Zero port compression)

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Verified Thiele/Small Parameters

Resonance (Fs)	170.0 Hz
Total Q (Qts)	0.45
Electrical Q (Qes)	0.503
Mechanical Q (Qms)	4.29

Equivalent Volume (Vas)	0.1 Liters
Diaphragm Area (Sd)	7.8 cm²
DC Resistance (Re)	3.6 Ω
Efficiency Bandwidth Product (EBP)	338.2

Linear Excursion (Xmax)	2.7 mm
Thermal Power (Pe)	5.0 W
Nominal Diameter	1.5"
Catalog Source	Manufacturer Official Datasheet

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Peerless by Tymphany TC5FC07-04 Enclosure Card

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[b]Peerless by Tymphany TC5FC07-04[/b] — 1.5L Bass Reflex tuned to 146.5Hz (F3: 137.4Hz). Designed with [url=https://loadforge.io]Load Forge[/url].

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