Peerless HDS-P835025
Best box: 23.6 L bass reflex tuned to 39.4 Hz · F3 37.2 Hz
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Comparable 6.5" Drivers
Drivers with similar piston area, resonance and Qts — useful alternatives when the Peerless HDS-P835025 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) | 23.6 Liters |
| Tuning Frequency (Fb) | 39.4 Hz |
| F3 (-3 dB Cutoff) | 37.2 Hz |
| F6 / F10 Extension | 33.3 Hz / 29.6 Hz |
| Port Inner Diameter | Ø 5.0 cm |
| Port Physical Length | 12.5 cm |
| First Pipe Resonance | 1377.0 Hz |
| Estimated MOL @ F3 | 100.7 dB SPL |
Recommended Sealed (Acoustic Suspension)
MAX TRANSIENT DAMPING| Net Box Volume (Vb) | 10.4 Liters |
| System Q (Qtc) | 0.707 (Butterworth) |
| System Resonance (Fc) | 70.9 Hz |
| F3 (-3 dB Cutoff) | 72.6 Hz |
| F6 / F10 Extension | 54.5 Hz / 41.0 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 43.0 Hz |
| Total Q (Qts) | 0.42 |
| Electrical Q (Qes) | 0.473 |
| Mechanical Q (Qms) | 3.72 |
| Equivalent Volume (Vas) | 19.0 Liters |
| Diaphragm Area (Sd) | 143.0 cm² |
| DC Resistance (Re) | 6.2 Ω |
| Efficiency Bandwidth Product (EBP) | 90.8 |
| Linear Excursion (Xmax) | 7.4 mm |
| Thermal Power (Pe) | 50.0 W |
| Nominal Diameter | 6.5" |
| Catalog Source | Load Forge catalog (manufacturer datasheets and retailer listings) |
Frequently Asked Questions
What is the recommended ported (bass reflex) box volume for Peerless HDS-P835025?
Load Forge's calculated alignment puts Peerless HDS-P835025 in a 23.6 liter vented enclosure tuned to 39.4 Hz, reaching an F3 cutoff of approximately 37.2 Hz.
Can Peerless HDS-P835025 be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 10.4 liters with a Qtc of 0.707 (Butterworth), the system exhibits an F3 of 72.6 Hz.
What port dimensions should be used for Peerless HDS-P835025 to avoid port chuffing?
Sized from cone displacement (Sd × Xmax), a minimum port diameter of 5.0 cm with a length of 12.5 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.
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