Dayton Audio Reference RS52FN-8 Mid-range Dome
Best box: 1.0 L sealed · Fc 557.2 Hz · F3 437.9 Hz
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Comparable 8.0" Drivers
Drivers with similar piston area, resonance and Qts — useful alternatives when the Dayton Audio Reference RS52FN-8 Mid-range Dome 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: 1.0 mm); set a high-pass subsonic filter at 25–30 Hz when driven with high power.
Textbook Bass Reflex — not recommended (15.5 dB bass hump)
PORT BUILDABLE| Net Box Volume (Vb) | 1.5 Liters |
| Tuning Frequency (Fb) | 334.9 Hz |
| F3 (-3 dB Cutoff) | 408.2 Hz |
| F6 / F10 Extension | 339.4 Hz / 257.2 Hz |
| Port Inner Diameter | Ø 7.5 cm |
| Port Physical Length | 2.5 cm |
| First Pipe Resonance | 6856.0 Hz |
| Estimated MOL @ F3 | 118.9 dB SPL |
Sealed (Acoustic Suspension) — compromise
SUITS INFINITE / OPEN BAFFLEWith Qts 1.05 a Butterworth (Qtc 0.707) box would be many times Vas. A box equal to Vas reaches Qtc 1.485; for a flat response this driver is better used on an infinite (IB) or open baffle.
| Net Box Volume (Vb) | 1.0 Liters |
| System Q (Qtc) | 1.485 (above Butterworth: Qtc cannot fall below Qts (1.05)) |
| System Resonance (Fc) | 557.2 Hz |
| F3 (-3 dB Cutoff) | 437.9 Hz |
| F6 / F10 Extension | 378.0 Hz / 314.5 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 394.0 Hz |
| Total Q (Qts) | 1.05 |
| Electrical Q (Qes) | 1.392 |
| Mechanical Q (Qms) | 4.27 |
| Equivalent Volume (Vas) | 1.0 Liters |
| Diaphragm Area (Sd) | 220.0 cm² |
| DC Resistance (Re) | 5.7 Ω |
| Efficiency Bandwidth Product (EBP) | 283.0 |
| Linear Excursion (Xmax) | 1.0 mm |
| Thermal Power (Pe) | 60.0 W |
| Nominal Diameter | 8.0" |
| Catalog Source | Load Forge catalog (manufacturer datasheets and retailer listings) |
Frequently Asked Questions
What is the recommended ported (bass reflex) box volume for Dayton Audio Reference RS52FN-8 Mid-range Dome?
A simple ported box is not recommended for Dayton Audio Reference RS52FN-8 Mid-range Dome: the textbook alignment (1.5 liters tuned to 334.9 Hz) needs a 2.5 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 Dayton Audio Reference RS52FN-8 Mid-range Dome be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 1.0 liters with a Qtc of 1.485 (above Butterworth: Qtc cannot fall below Qts (1.05)), the system exhibits an F3 of 437.9 Hz.
What port dimensions should be used for Dayton Audio Reference RS52FN-8 Mid-range Dome to avoid port chuffing?
A straight 7.5 cm port would need 2.5 cm of length, which does not fit a practical cabinet. Use a passive radiator or a folded/3D duct instead of a straight tube.
Shareable Acoustic Card for Forums & Social Media
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