Peerless PRLFSL1225R0208
Best box: 77.9 L bass reflex tuned to 55.4 Hz · F3 51.0 Hz
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Comparable 12.0" Drivers
Drivers with similar piston area, resonance and Qts — useful alternatives when the Peerless PRLFSL1225R0208 does not fit your target box volume or tuning. Each entry links to its full enclosure design and Thiele/Small parameters.
Recommended Bass Reflex (Vented)
PORT BUILDABLE| Net Box Volume (Vb) | 77.9 Liters |
| Tuning Frequency (Fb) | 55.4 Hz |
| F3 (-3 dB Cutoff) | 51.0 Hz |
| F6 / F10 Extension | 46.3 Hz / 41.4 Hz |
| Port Inner Diameter | Ø 10.0 cm |
| Port Physical Length | 2.7 cm |
| First Pipe Resonance | 6378.0 Hz |
| Estimated MOL @ F3 | 121.7 dB SPL |
Recommended Sealed (Acoustic Suspension)
MAX TRANSIENT DAMPING| Net Box Volume (Vb) | 34.6 Liters |
| System Q (Qtc) | 0.707 (Butterworth) |
| System Resonance (Fc) | 95.2 Hz |
| F3 (-3 dB Cutoff) | 96.0 Hz |
| F6 / F10 Extension | 72.2 Hz / 54.3 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 63.0 Hz |
| Total Q (Qts) | 0.44 |
| Electrical Q (Qes) | 0.492 |
| Mechanical Q (Qms) | 4.19 |
| Equivalent Volume (Vas) | 54.8 Liters |
| Diaphragm Area (Sd) | 547.0 cm² |
| DC Resistance (Re) | 5.5 Ω |
| Efficiency Bandwidth Product (EBP) | 128.1 |
| Linear Excursion (Xmax) | 5.3 mm |
| Thermal Power (Pe) | N/A 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 PRLFSL1225R0208?
Load Forge's calculated alignment puts Peerless PRLFSL1225R0208 in a 77.9 liter vented enclosure tuned to 55.4 Hz, reaching an F3 cutoff of approximately 51.0 Hz.
Can Peerless PRLFSL1225R0208 be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 34.6 liters with a Qtc of 0.707 (Butterworth), the system exhibits an F3 of 96.0 Hz.
What port dimensions should be used for Peerless PRLFSL1225R0208 to avoid port chuffing?
Sized from cone displacement (Sd × Xmax), a minimum port diameter of 10.0 cm with a length of 2.7 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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