SR6438NWS-000.pdf
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| Part Number | SR6438NWS-000 | SR6438NWS-158 | SR6438NWS-B79 |
| Manufacturer | Knowles | Knowles | Knowles |
| Series | SR | * | * |
| Packaging | Tray | Bulk | Bulk |
| Product Status | Active | Obsolete | Obsolete |
| Technology | Magnetic | - | - |
| Type | Receiver, Balanced Armature | - | - |
| Frequency Range | 200 Hz ~ 9.4 kHz | - | - |
| Frequency - Self Resonant | - | - | - |
| Impedance | 55.5 Ohms | - | - |
| Efficiency - dBA | 109.50 | - | - |
| Efficiency - Testing | - | - | - |
| Efficiency - Type | Sound Pressure Level (SPL) | - | - |
| Power - Rated | - | - | - |
| Power - Max | - | - | - |
| Port Location | Top | - | - |
| Shape | Round | - | - |
| Material - Cone | - | - | - |
| Material - Magnet | - | - | - |
| Ingress Protection | - | - | - |
| Ratings | - | - | - |
| Termination | Solder Pads | - | - |
| Size / Dimension | 0.252" Dia (6.40mm) | - | - |
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