F28M48B CNS4784 CNS4785 - Datasheet Archive

 

F28M48B Hy-Q International Ø28.0±0.2 ALLOW AT LEAST 0.5 FOR DIAPHRAGM MOVEMENT 5.2±0.2 BAFFLE OPENING

 

MULTI-MEDIA SPEAKER - MYLAR SERIES F28M48B F28M48B Hy-Q International Ø28.0±0.2 ALLOW AT LEAST 0.5 FOR DIAPHRAGM MOVEMENT 5.2±0.2 BAFFLE OPENING Ø25.1 Ø16.0±0.2 Distance of Loudspeaker to Microphone:- 10cm 0.1 Watt 100 90 dB SPL / Volts 80 70 60 50 40 30 30 50 100 200 300 500 1k 2k 3k 5k 10k 20kHz SPECIFICATION 250 ~ 20 kHz Average SPL-10dB FREQUENCY RANGE LOWEST RESONANT FREQUENCY 400 ±80 Hz 8 ±15% at 1000 Hz NOMINAL IMPEDANCE 77 ±3dB / 0.1 Watt 0.1 Metre Average at 500, 600, 800, and 1000 Hz OUTPUT SOUND PRESSURE LEVEL (SPL) WEIGHT OF SPEAKER 7.2 Grams POWER RATING Normal 1.0 Watt DISTORTION ABNORMAL SOUND TEST Must be normally tested by 2.83 Volts Sine Wave White noise with weighted filter 2.83 Volts (RMS) 24 Hours LOAD TEST OPERATING TEMPERATURE RANGE -25°C to +60°C 16 Hours STORAGE TEMPERATURE RANGE -40°C to +70°C 2 Hours The diaphragm will move forward when a positive DC current is applied to the '+' or 'marked' terminal. POLARITY MAGNET Material:- Rare Earth. REMARKS REF.No. 1030-0038-00-00 Maximum 2.0 Watt 5% Maximum at 1000 Hz 1.0 Watt Size:- Ø12.5 x 1.5 Manufactured and tested to CNS4784 CNS4784 and CNS4785 CNS4785 standards. 05 JULY 2001 Hy-Q International (Australia) Pty. Ltd. ALL DIMENSIONS AND TOLERANCES ARE IN mm Telephone +61 (03) 9562 8222 SPECIFICATION SUBJECT TO CHANGE WITHOUT NOTICE Facsimile +61 (03) 9562 9009 E-Mail sales@hy-q.com.au