Vented Specialist

Peerless FSL-1020R02-08

Best box: 30.8 L bass reflex tuned to 68.5 Hz · F3 66.2 Hz

Predicted SPL response of the Peerless FSL-1020R02-08 in the recommended 30.8 L bass reflex box versus the alternative — open it in the simulator Open and tweak this box live ↗

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Recommended Bass Reflex (Vented)

PORT BUILDABLE
Net Box Volume (Vb) 30.8 Liters
Tuning Frequency (Fb) 68.5 Hz
F3 (-3 dB Cutoff) 66.2 Hz
F6 / F10 Extension 59.1 Hz / 52.0 Hz
Port Inner Diameter Ø 10.0 cm
Port Physical Length 9.1 cm
First Pipe Resonance 1882.0 Hz
Estimated MOL @ F3 114.5 dB SPL
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Recommended Sealed (Acoustic Suspension)

MAX TRANSIENT DAMPING
Net Box Volume (Vb) 13.5 Liters
System Q (Qtc) 0.707 (Butterworth)
System Resonance (Fc) 120.6 Hz
F3 (-3 dB Cutoff) 120.6 Hz
F6 / F10 Extension 91.4 Hz / 69.0 Hz
Air Spring Linearity High (Zero port compression)
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Thiele/Small Parameters

Resonance (Fs) 65.0 Hz
Total Q (Qts) 0.36
Electrical Q (Qes) 0.39
Mechanical Q (Qms) 4.75
Equivalent Volume (Vas) 38.5 Liters
Diaphragm Area (Sd) 373.0 cm²
DC Resistance (Re) 5.8 Ω
Efficiency Bandwidth Product (EBP) 166.9
Linear Excursion (Xmax) 5.1 mm
Thermal Power (Pe) 167.0 W
Nominal Diameter 10.0"
Catalog Source Load Forge catalog (manufacturer datasheets and retailer listings)

Frequently Asked Questions

What is the recommended ported (bass reflex) box volume for Peerless FSL-1020R02-08?

Load Forge's calculated alignment puts Peerless FSL-1020R02-08 in a 30.8 liter vented enclosure tuned to 68.5 Hz, reaching an F3 cutoff of approximately 66.2 Hz.

Can Peerless FSL-1020R02-08 be used in a sealed box?

Yes. In a sealed (acoustic suspension) enclosure of 13.5 liters with a Qtc of 0.707 (Butterworth), the system exhibits an F3 of 120.6 Hz.

What port dimensions should be used for Peerless FSL-1020R02-08 to avoid port chuffing?

Sized from cone displacement (Sd × Xmax), a minimum port diameter of 10.0 cm with a length of 9.1 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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Peerless FSL-1020R02-08 Enclosure Card
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