Peerless PMT-37N28AL01-04
Best box: 0.05 L sealed · Fc 258.3 Hz · F3 314.9 Hz
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Comparable 1.5" Drivers
Drivers with similar piston area, resonance and Qts — useful alternatives when the Peerless PMT-37N28AL01-04 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: 0.1 mm); set a high-pass subsonic filter at 25–30 Hz when driven with high power.
Textbook Bass Reflex — not recommended (13.9 dB bass hump)
PORT BUILDABLE| Net Box Volume (Vb) | 1.5 Liters |
| Tuning Frequency (Fb) | 176.5 Hz |
| F3 (-3 dB Cutoff) | 166.9 Hz |
| F6 / F10 Extension | 160.3 Hz / 151.2 Hz |
| Port Inner Diameter | Ø 5.0 cm |
| Port Physical Length | 9.0 cm |
| First Pipe Resonance | 1907.0 Hz |
| Estimated MOL @ F3 | 73.0 dB SPL |
Recommended Sealed (Acoustic Suspension)
MAX TRANSIENT DAMPING| Net Box Volume (Vb) | 0.05 Liters |
| System Q (Qtc) | 0.558 (below Butterworth) |
| System Resonance (Fc) | 258.3 Hz |
| F3 (-3 dB Cutoff) | 314.9 Hz |
| F6 / F10 Extension | 221.3 Hz / 157.2 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 167.6 Hz |
| Total Q (Qts) | 0.36 |
| Electrical Q (Qes) | 0.501 |
| Mechanical Q (Qms) | 1.28 |
| Equivalent Volume (Vas) | 0.1 Liters |
| Diaphragm Area (Sd) | 8.0 cm² |
| DC Resistance (Re) | 3.58 Ω |
| Efficiency Bandwidth Product (EBP) | 334.6 |
| Linear Excursion (Xmax) | 0.1 mm |
| Thermal Power (Pe) | 5.0 W |
| Nominal Diameter | 1.5" |
| Catalog Source | Load Forge catalog (manufacturer datasheets and retailer listings) |
Frequently Asked Questions
What is the recommended ported (bass reflex) box volume for Peerless PMT-37N28AL01-04?
A simple ported box is not recommended for Peerless PMT-37N28AL01-04: the textbook alignment (1.5 liters tuned to 176.5 Hz) needs a 9.0 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 Peerless PMT-37N28AL01-04 be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 0.05 liters with a Qtc of 0.558 (below Butterworth), the system exhibits an F3 of 314.9 Hz.
What port dimensions should be used for Peerless PMT-37N28AL01-04 to avoid port chuffing?
A straight 5.0 cm port would need 9.0 cm of length, which does not fit a practical cabinet. Use a passive radiator or a folded/3D duct instead of a straight tube.
Shareable Acoustic Card for Forums & Social Media
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