Changzhou Duoxing Electronics Co,.Ltd
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Nominal Size | 77mm+/-0.2 | Total Height | 28mm+/-0.5 | |
Impedance | 8 ohm +/-15% | At 1000Hz 1.0V | ||
Resonance FO. | 270 Hz +/- 20% | Without baffle | ||
S.P.Level | 88 dB +/- 3dB | At 600, 800, 1K, 1.2K | ||
Response | FO.8000 Hz +/- 10dB | Output S.P.L. +/- 10dB | ||
Input Power | Nominal Input 5 w | Maximum Input 8 w | ||
Buzzer & Rattles | Must be normal | Sine Wave 3.53v | ||
Load Test | Must be normal | White Noise 2 w 100 Hours | ||
Heat Test | Must be normal | Keep 96 hours at 60+/- 2 C 20-25% R.H. then | ||
removal back to normal temperature for 1 hour | ||||
Humidity Test | Must be normal | 40 C+/-2 C 90-95% R.H. 18hr | ||
Cold Test | Must be normal | -20 C+/-2 C 90-95% R.H. 48hr | ||
Distortion | < 7% Maximum | Related Power Input 1000 Hz | ||
Total Flux | Maxwell | |||
Magnet | dia 45 x dia 22 x H8 | |||
Voice Coil Size | dia | |||
Remark | Foam edge | |||
