Peerless 830656
Best box: 13.2 L bass reflex tuned to 39.9 Hz · F3 53.8 Hz
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Comparable 5.25" Drivers
Drivers with similar piston area, resonance and Qts — useful alternatives when the Peerless 830656 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: 3.46 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) | 13.2 Liters |
| Tuning Frequency (Fb) | 39.9 Hz |
| F3 (-3 dB Cutoff) | 53.8 Hz |
| F6 / F10 Extension | 39.3 Hz / 30.6 Hz |
| Port Inner Diameter | Ø 5.0 cm |
| Port Physical Length | 24.4 cm |
| First Pipe Resonance | 704.0 Hz |
| Estimated MOL @ F3 | 96.9 dB SPL |
Recommended Sealed (Acoustic Suspension)
MAX TRANSIENT DAMPING| Net Box Volume (Vb) | 20.1 Liters |
| System Q (Qtc) | 0.707 (Butterworth) |
| System Resonance (Fc) | 66.9 Hz |
| F3 (-3 dB Cutoff) | 60.2 Hz |
| F6 / F10 Extension | 48.1 Hz / 37.6 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 57.0 Hz |
| Total Q (Qts) | 0.59 |
| Electrical Q (Qes) | 0.596 |
| Mechanical Q (Qms) | 60.0 |
| Equivalent Volume (Vas) | 8.8 Liters |
| Diaphragm Area (Sd) | 86.6 cm² |
| DC Resistance (Re) | 6.1 Ω |
| Efficiency Bandwidth Product (EBP) | 95.7 |
| Linear Excursion (Xmax) | 3.5 mm |
| Thermal Power (Pe) | N/A W |
| Nominal Diameter | 5.25" |
| Catalog Source | Load Forge catalog (manufacturer datasheets and retailer listings) |
Frequently Asked Questions
What is the recommended ported (bass reflex) box volume for Peerless 830656?
Load Forge's calculated alignment puts Peerless 830656 in a 13.2 liter vented enclosure tuned to 39.9 Hz, reaching an F3 cutoff of approximately 53.8 Hz.
Can Peerless 830656 be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 20.1 liters with a Qtc of 0.707 (Butterworth), the system exhibits an F3 of 60.2 Hz.
What port dimensions should be used for Peerless 830656 to avoid port chuffing?
Sized from cone displacement (Sd × Xmax), a minimum port diameter of 5.0 cm with a length of 24.4 cm is suggested; check the port air velocity at your drive level in the Load Forge Studio.
Shareable Acoustic Card for Forums & Social Media
Embed this design card on DIYAudio, AVSForum, Reddit, or Facebook. It shows the calculated F3, MOL (when the power rating is published) and box parameters.
Not sure if 830656 fits your physical space?
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