Peerless FSL-1220R02-08 FSL Series 12" Professional Woofer 8 Ohm264-1410
Best box: 76.9 L bass reflex tuned to 51.6 Hz · F3 50.1 Hz
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Comparable 12.0" Drivers
Drivers with similar piston area, resonance and Qts — useful alternatives when the Peerless FSL-1220R02-08 FSL Series 12" Professional Woofer 8 Ohm264-1410 does not fit your target box volume or tuning. Each entry links to its full enclosure design and Thiele/Small parameters.
⚠️ Engineering Notice for Builders
- Limited linear excursion (Xmax: 2.4 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) | 76.9 Liters |
| Tuning Frequency (Fb) | 51.6 Hz |
| F3 (-3 dB Cutoff) | 50.1 Hz |
| F6 / F10 Extension | 43.5 Hz / 38.5 Hz |
| Port Inner Diameter | Ø 10.0 cm |
| Port Physical Length | 4.3 cm |
| First Pipe Resonance | 3956.0 Hz |
| Estimated MOL @ F3 | 116.6 dB SPL |
Recommended Sealed (Acoustic Suspension)
MAX TRANSIENT DAMPING| Net Box Volume (Vb) | 55.6 Liters |
| System Q (Qtc) | 0.707 (Butterworth) |
| System Resonance (Fc) | 87.0 Hz |
| F3 (-3 dB Cutoff) | 87.5 Hz |
| F6 / F10 Extension | 66.2 Hz / 50.1 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 67.0 Hz |
| Total Q (Qts) | 0.51 |
| Electrical Q (Qes) | 0.571 |
| Mechanical Q (Qms) | 4.8 |
| Equivalent Volume (Vas) | 51.3 Liters |
| Diaphragm Area (Sd) | 543.3 cm² |
| DC Resistance (Re) | 5.8 Ω |
| Efficiency Bandwidth Product (EBP) | 117.4 |
| Linear Excursion (Xmax) | 2.4 mm |
| Thermal Power (Pe) | 250.0 W |
| Nominal Diameter | 12.0" |
| 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-1220R02-08 FSL Series 12" Professional Woofer 8 Ohm264-1410?
Load Forge's calculated alignment puts Peerless FSL-1220R02-08 FSL Series 12" Professional Woofer 8 Ohm264-1410 in a 76.9 liter vented enclosure tuned to 51.6 Hz, reaching an F3 cutoff of approximately 50.1 Hz.
Can Peerless FSL-1220R02-08 FSL Series 12" Professional Woofer 8 Ohm264-1410 be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 55.6 liters with a Qtc of 0.707 (Butterworth), the system exhibits an F3 of 87.5 Hz.
What port dimensions should be used for Peerless FSL-1220R02-08 FSL Series 12" Professional Woofer 8 Ohm264-1410 to avoid port chuffing?
Sized from cone displacement (Sd × Xmax), a minimum port diameter of 10.0 cm with a length of 4.3 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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Not sure if FSL-1220R02-08 FSL Series 12" Professional Woofer 8 Ohm264-1410 fits your physical space?
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