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| Part Number | PMT-37N28AL01-04 | PMT-20N12AL03-04 | PMT-20N12AL04-04 | PMT-30N18AL03-04 | PMT-30N18AL04-04 |
| Manufacturer | Peerless by Tymphany | Peerless by Tymphany | Peerless by Tymphany | Peerless by Tymphany | Peerless by Tymphany |
| Series | PMT | PMT | PMT | PMT | PMT |
| Packaging | Bulk | Bulk | Bulk | Bulk | Bulk |
| Product Status | Active | Active | Active | Active | Active |
| Technology | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic |
| Type | Full Range | Full Range | Full Range | Full Range | Full Range |
| Frequency Range | 200 Hz ~ 20 kHz | 400 Hz ~ 20 kHz | 350 Hz ~ 20 kHz | 250 Hz ~ 20 kHz | 250 Hz ~ 20 kHz |
| Frequency - Self Resonant | 167.6Hz | 398.7Hz | 378.1Hz | 243.3Hz | 249.75Hz |
| Impedance | 3.78 Ohms | 4.46 Ohms | 4.25 Ohms | 3.81 Ohms | 3.91 Ohms |
| Efficiency - dBA | 81.00 | 73.50 | 75.70 | 80.20 | 78.50 |
| Efficiency - Testing | 1W/1M | 1W/1M | 1W/1M | 1W/1M | 1W/1M |
| Efficiency - Type | Half Space Sensitivity | Half Space Sensitivity | Half Space Sensitivity | Half Space Sensitivity | Half Space Sensitivity |
| Power - Rated | 5 W | 1 W | 1 W | 1.5 W | 1.5 W |
| Power - Max | - | - | - | - | - |
| Port Location | Top | Top | Top | Top | Top |
| Shape | Round | Round | Round | Round | Round |
| Material - Cone | Aluminum (AI) | Aluminum (AI) | Aluminum (AI) | Aluminum (AI) | Aluminum (AI) |
| Material - Magnet | Nd-Fe-B | Nd-Fe-B | Nd-Fe-B | Nd-Fe-B | Nd-Fe-B |
| Ingress Protection | - | - | - | - | - |
| Ratings | - | - | - | - | - |
| Termination | Solder Eyelet(s) | Wire Leads | Wire Leads | Solder Eyelet(s) | Solder Eyelet(s) |
| Size / Dimension | 1.614" Dia (41.00mm) | 0.906" Dia (23.00mm) | 0.906" Dia (23.00mm) | 1.339" Dia (34.00mm) | 1.339" Dia (34.00mm) |
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