Peerless XXLS-P835017
Best box: 177.0 L bass reflex tuned to 20.6 Hz · F3 19.5 Hz
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Comparable 12.0" Drivers
Drivers with similar piston area, resonance and Qts — useful alternatives when the Peerless XXLS-P835017 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
- Large enclosure volume (177.0 L) requires extensive internal matrix bracing to prevent panel resonance.
Recommended Bass Reflex (Vented)
PORT BUILDABLE| Net Box Volume (Vb) | 177.0 Liters |
| Tuning Frequency (Fb) | 20.6 Hz |
| F3 (-3 dB Cutoff) | 19.5 Hz |
| F6 / F10 Extension | 17.4 Hz / 15.5 Hz |
| Port Inner Diameter | Ø 10.0 cm |
| Port Physical Length | 24.2 cm |
| First Pipe Resonance | 711.0 Hz |
| Estimated MOL @ F3 | 105.1 dB SPL |
Recommended Sealed (Acoustic Suspension)
MAX TRANSIENT DAMPING| Net Box Volume (Vb) | 78.1 Liters |
| System Q (Qtc) | 0.707 (Butterworth) |
| System Resonance (Fc) | 37.0 Hz |
| F3 (-3 dB Cutoff) | 38.8 Hz |
| F6 / F10 Extension | 29.0 Hz / 21.8 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 23.0 Hz |
| Total Q (Qts) | 0.43 |
| Electrical Q (Qes) | 0.449 |
| Mechanical Q (Qms) | 10.4 |
| Equivalent Volume (Vas) | 133.0 Liters |
| Diaphragm Area (Sd) | 511.0 cm² |
| DC Resistance (Re) | 2.6 Ω |
| Efficiency Bandwidth Product (EBP) | 51.3 |
| Linear Excursion (Xmax) | 15.0 mm |
| Thermal Power (Pe) | 120.0 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 XXLS-P835017?
Load Forge's calculated alignment puts Peerless XXLS-P835017 in a 177.0 liter vented enclosure tuned to 20.6 Hz, reaching an F3 cutoff of approximately 19.5 Hz.
Can Peerless XXLS-P835017 be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 78.1 liters with a Qtc of 0.707 (Butterworth), the system exhibits an F3 of 38.8 Hz.
What port dimensions should be used for Peerless XXLS-P835017 to avoid port chuffing?
Sized from cone displacement (Sd × Xmax), a minimum port diameter of 10.0 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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