Versatile Load

Ciare CW130Z

Best box: 5.2 L bass reflex tuned to 63.8 Hz · F3 94.1 Hz

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Comparable 5.0" Drivers

Drivers with similar piston area, resonance and Qts — useful alternatives when the Ciare CW130Z does not fit your target box volume or tuning. Each entry links to its full enclosure design and Thiele/Small parameters.

Ciare

HW129

5.0" · Fs 75.0 Hz · Qts 0.55 · Vas 6.1 L

Ciare

CXE134

5.0" · Fs 84.0 Hz · Qts 0.78 · Vas 5.2 L

Ciare

PWA5.38 5" Woofer 8 Ohm

5.0" · Fs 73.0 Hz · Qts 0.38 · Vas 5.1 L

Acr Speaker

3MN0445-00 (5in CURVE 538) Rev-1

5.0" · Fs 74.0 Hz · Qts 0.75 · Vas 6.4 L

Visaton

SC 13

5.0" · Fs 78.0 Hz · Qts 0.71 · Vas 7.4 L

Dayton Audio

PA130-16

5.0" · Fs 78.7 Hz · Qts 0.612 · Vas 5.0 L

Compare them in the same box → Browse all 5.0" drivers → All Ciare drivers →

⚠️ Engineering Notice for Builders

Limited linear excursion (Xmax: 2.1 mm); set a high-pass subsonic filter at 25–30 Hz when driven with high power.

Recommended Bass Reflex (Vented)

PORT BUILDABLE

Net Box Volume (Vb)	5.2 Liters
Tuning Frequency (Fb)	63.8 Hz
F3 (-3 dB Cutoff)	94.1 Hz
F6 / F10 Extension	79.2 Hz / 61.7 Hz
Port Inner Diameter	Ø 5.0 cm
Port Physical Length	24.2 cm
First Pipe Resonance	710.0 Hz
Estimated MOL @ F3	100.3 dB SPL

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Sealed (Acoustic Suspension) — compromise

SUITS INFINITE / OPEN BAFFLE

With Qts 0.81 a Butterworth (Qtc 0.707) box would be many times Vas. A box equal to Vas reaches Qtc 1.146; for a flat response this driver is better used on an infinite (IB) or open baffle.

Net Box Volume (Vb)	6.5 Liters
System Q (Qtc)	1.146 (above Butterworth: Qtc cannot fall below Qts (0.81))
System Resonance (Fc)	106.1 Hz
F3 (-3 dB Cutoff)	87.8 Hz
F6 / F10 Extension	73.7 Hz / 59.8 Hz
Air Spring Linearity	High (Zero port compression)

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Thiele/Small Parameters

Resonance (Fs)	75.0 Hz
Total Q (Qts)	0.81
Electrical Q (Qes)	1.161
Mechanical Q (Qms)	2.68

Equivalent Volume (Vas)	6.5 Liters
Diaphragm Area (Sd)	82.0 cm²
DC Resistance (Re)	3.5 Ω
Efficiency Bandwidth Product (EBP)	64.6

Linear Excursion (Xmax)	2.1 mm
Thermal Power (Pe)	50.0 W
Nominal Diameter	5.0"
Catalog Source	Load Forge catalog (manufacturer datasheets and retailer listings)

Frequently Asked Questions

What is the recommended ported (bass reflex) box volume for Ciare CW130Z?

Load Forge's calculated alignment puts Ciare CW130Z in a 5.2 liter vented enclosure tuned to 63.8 Hz, reaching an F3 cutoff of approximately 94.1 Hz.

Can Ciare CW130Z be used in a sealed box?

Yes. In a sealed (acoustic suspension) enclosure of 6.5 liters with a Qtc of 1.146 (above Butterworth: Qtc cannot fall below Qts (0.81)), the system exhibits an F3 of 87.8 Hz.

What port dimensions should be used for Ciare CW130Z to avoid port chuffing?

Sized from cone displacement (Sd × Xmax), a minimum port diameter of 5.0 cm with a length of 24.2 cm is suggested; check the port air velocity at your drive level in the Load Forge Studio.

Shareable Acoustic Card for Forums & Social Media

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