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The RD1236-02 is a 12mm dynamic speaker driver designed for earphones, featuring a PU + wool paper diaphragm and NdFeB magnet. It delivers 117±3dB SPL with low distortion (≤3% THD), supports up to 30mW power, and ensures durability through comprehensive environmental and mechanical testing.
| Specification | Details |
|---|---|
| Driver Size | 12mm |
| Impedance | 16Ω ±15% @ 1kHz |
| Sound Pressure Level (SPL) | 117 ±3dB @ 1kHz, 126mVrms (711EAR) |
| Resonance Frequency | 260Hz ±20% |
| Rated / Max Power | 20mW / 30mW |
| THD (Total Harmonic Distortion) | ≤3% (500Hz–8kHz @ 1mW) |
| Operating Temperature | -20°C to +65°C |
| Storage Temperature | -20°C to +65°C |
| Diaphragm Material | PU + Wool Paper Composite |
| Magnet Material | NdFeB |
| Frame Material | SPCC (Zinc-Plated Iron) |
| Polarity | Positive current moves diaphragm forward |
| Insulation Resistance | >1 MΩ @ 50V DC |
| Weight | Approx. 1.15g |
| Packaging | 100 pcs/tray, 2000 pcs/carton |
SpeakerDriver™
by Cockatwo Private Limited
CIN: U62013RJ2023PTC091507
Manufacturing Unit: Yongsheng Industrial Park 523510, Dongshan, Qishi, Dongguan, China