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This document contains data proprietary to PUI Audio Inc. Any use or reproduction, in any form, without prior written permission of PUI Audio Inc. is prohibited. ©2017, PUI Audio Inc. PUI Audio, Inc. A Projects Unlimited Company, 3541 Stop Eight Road, Dayton, OH 45414 Tel: (937) 415-5901 Fax: (937) 415-5925 Data Sheet AS02804PR-N50-R Introducing the N50 Mini Speaker Series from PUI Audio. High-grade neodymium magnetic motors are employed in each N50 Series speaker to create the highest output possible, in the smallest form factor. The 28mm diameter AS02804PR-N50-R features a paper cone and foam surround for classic HiFi sound quality. Four openings on the back plate create forced-air cooling to dissipate heat from the voice coil. Features:
- Paper cone and foam surround
- High 76 dB output at 3W/1m
- N50 neodymium motor
- Only 7.5mm thick
- 2mm of excursion Specifications Parameters Values Units Rated Input Power 3 Watts Max Input Power 4 Watts Impedance 4 ± 15% Ohms Sensitivity (SPL @ 3W/1m) (800, 1000, 1200, and 1500 Hz) 76.5 ± 3 dBA Distortion (Max @ 1W, 1 kHz) <5% Resonant Frequency 350 ± 20% Hz Frequency Range 250 ~ 20,000 Hz Housing Material ABS Magnet Material NdFeB Weight 10.8 Grams
This document contains data proprietary to PUI Audio Inc. Any use or reproduction, in any form, without prior written permission of PUI Audio Inc. is prohibited. ©2017, PUI Audio Inc. PUI Audio, Inc. A Projects Unlimited Company, 3541 Stop Eight Road, Dayton, OH 45414 Tel: (937) 415-5901 Fax: (937) 415-5925 Specifications (continued) Buzz, Rattle, etc. Should not be audible with 3.46Vpk sine wave from 280 Hz to 10 kHz Polarity When positive voltage is applied to the positive terminal, the diaphragm will move outward Operating Temperature -20 ~ +60 °C Storage Temperature -30 ~ +70 °C Measurement Method Test Baffle (speaker mounted in circle)
This document contains data proprietary to PUI Audio Inc. Any use or reproduction, in any form, without prior written permission of PUI Audio Inc. is prohibited. ©2017, PUI Audio Inc. PUI Audio, Inc. A Projects Unlimited Company, 3541 Stop Eight Road, Dayton, OH 45414 Tel: (937) 415-5901 Fax: (937) 415-5925 Frequency Response (measured at 1m with 3W of input power) Reliability Testing Type of Test Test Specifications High Temperature Test 96 hours at +85°C ± 3°C followed by six hours in normal room temperature Low Temperature Test 96 hours at -40°C ± 3°C followed by six hours in normal room temperature Humidity Test 96 hours at +40°C ± 3°C with relative humidity at 92% to 95% followed by 3 hours in normal room temperature Temperature Cycle Testing The part shall be subjected to 20 cycles using the following procedure: Vibration Test 10 to 55 to 10 Hz cycles, 15 minutes per cycle. 2 hours in each axis X, Y, and Z. Drop Test Drop the speakers onto a 40mm thick board 10 times from a height of 75cm. Load Test Pink noise is applied at the speakers rated power for 96 hours at room temperature After each test, the speaker’s SPL shall be ±3 dB of the original SPL
This document contains data proprietary to PUI Audio Inc. Any use or reproduction, in any form, without prior written permission of PUI Audio Inc. is prohibited. ©2017, PUI Audio Inc. PUI Audio, Inc. A Projects Unlimited Company, 3541 Stop Eight Road, Dayton, OH 45414 Tel: (937) 415-5901 Fax: (937) 415-5925 Dimensions Packaging
This document contains data proprietary to PUI Audio Inc. Any use or reproduction, in any form, without prior written permission of PUI Audio Inc. is prohibited. ©2017, PUI Audio Inc. PUI Audio, Inc. A Projects Unlimited Company, 3541 Stop Eight Road, Dayton, OH 45414 Tel: (937) 415-5901 Fax: (937) 415-5925 Specifications Revisions Revision Description Date Released from Engineering 5/11/2017 A Updated SPL, Weight, and added Packaging Information 7/13/2017 Note: 1. Unless otherwise specified: A. All dimensions are in millimeters. B. Default tolerances are ±0.5mm and angles are ±3°. 2. Specifications subject to change or withdrawal without notice. 3. This part is RoHS 2011/65/EU Compliant.