GRS 10PF-8 10" Paper Cone Foam Surround Woofer
Best box: 58.9 L sealed · Fc 63.6 Hz · F3 51.4 Hz
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Comparable 10.0" Drivers
Drivers with similar piston area, resonance and Qts — useful alternatives when the GRS 10PF-8 10" Paper Cone Foam Surround Woofer 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: 3.0 mm); set a high-pass subsonic filter at 25–30 Hz when driven with high power.
Textbook Bass Reflex — not recommended (4.9 dB bass hump)
PORT BUILDABLE| Net Box Volume (Vb) | 47.1 Liters |
| Tuning Frequency (Fb) | 38.2 Hz |
| F3 (-3 dB Cutoff) | 58.9 Hz |
| F6 / F10 Extension | 51.7 Hz / 42.5 Hz |
| Port Inner Diameter | Ø 5.0 cm |
| Port Physical Length | 5.0 cm |
| First Pipe Resonance | 3448.0 Hz |
| Estimated MOL @ F3 | 107.1 dB SPL |
Sealed (Acoustic Suspension) — compromise
SUITS INFINITE / OPEN BAFFLEWith Qts 1.21 a Butterworth (Qtc 0.707) box would be many times Vas. A box equal to Vas reaches Qtc 1.711; for a flat response this driver is better used on an infinite (IB) or open baffle.
| Net Box Volume (Vb) | 58.9 Liters |
| System Q (Qtc) | 1.711 (above Butterworth: Qtc cannot fall below Qts (1.21)) |
| System Resonance (Fc) | 63.6 Hz |
| F3 (-3 dB Cutoff) | 51.4 Hz |
| F6 / F10 Extension | 45.0 Hz / 37.9 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 45.0 Hz |
| Total Q (Qts) | 1.21 |
| Electrical Q (Qes) | 1.568 |
| Mechanical Q (Qms) | 5.3 |
| Equivalent Volume (Vas) | 58.9 Liters |
| Diaphragm Area (Sd) | 344.7 cm² |
| DC Resistance (Re) | 7.2 Ω |
| Efficiency Bandwidth Product (EBP) | 28.7 |
| Linear Excursion (Xmax) | 3.0 mm |
| Thermal Power (Pe) | 110.0 W |
| Nominal Diameter | 10.0" |
| Catalog Source | Load Forge catalog (manufacturer datasheets and retailer listings) |
Frequently Asked Questions
What is the recommended ported (bass reflex) box volume for GRS 10PF-8 10" Paper Cone Foam Surround Woofer?
A simple ported box is not recommended for GRS 10PF-8 10" Paper Cone Foam Surround Woofer: the textbook alignment (47.1 liters tuned to 38.2 Hz) needs a 5.0 cm port, and no nearby retune stays buildable without a bass hump. A sealed box, a passive radiator or a folded duct is the practical choice.
Can GRS 10PF-8 10" Paper Cone Foam Surround Woofer be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 58.9 liters with a Qtc of 1.711 (above Butterworth: Qtc cannot fall below Qts (1.21)), the system exhibits an F3 of 51.4 Hz.
What port dimensions should be used for GRS 10PF-8 10" Paper Cone Foam Surround Woofer to avoid port chuffing?
A straight 5.0 cm port would need 5.0 cm of length, which does not fit a practical cabinet. Use a passive radiator or a folded/3D duct instead of a straight tube.
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