OWR-0745T-32

Date Page 8-Sep-2021 CN P/N: OWR-0745T-32 1 / 7 OLE WOLFF www.owolff.com Revision: 01 SPECIFICATION PRELIMINARY SPECIFICATION Receiver Part Number OWR-0745T-32 This item is in compliance with the following requirements: 1. RoHS directive 2. REACH Note Customer P/N Prepared Ole Wolff Signature / Date Checked Approved Nathan Chen 2021.09.08 Confirmation Customer Signature / Date REVISION NOTES: Date Rev. 2021.08.05 00 Initial version 2021.09.08 01 Corrected SPL @ 1kHz. OLE WOLFF ELEKTRONIK A/S Roedengvej 25 4180 Soroe Denmark TEL: +45 57833830 FAX: +45 57820019 Description of Revision OLE WOLFF ELECTRONICS INC. 1525 McCarthy Blvd, Suite 1093 Milpitas, Ca 95035 USA TEL : +1 408 888 8413 OLEWOLFF ELEKTRONIK GmbH Schulstrasse 15A. DE-25451 Quickborn. Germany OLEWOLFF ELECTRONICS 3 Bedford Street, Woburn, Bedfordshire MK17 9QB, ENGLAND TEL: +49 (0) 4106 765900 FAX: +49 (0) 4106 627297 TEL: +44 (0) 1525 290755 FAX: +44 (0) 1525 290855 OLE WOLFF ELEKTRONIK Yliopistonkatu 26 (P.O.BOX 257) FI-40101 Jyväskylä Finland TEL: +358 14 338 3050 FAX: +358 14 338 3059 OLE WOLFF (ASIA) LTD. Unit B, 19/F., Bold Win Ind. Bldg., No. 16-18 Wah Sing St., Kwai Chung, N.T., H.K. OLE WOLFF LTD. 5 Floor, Block G, WenTao Industrial Park, YingRenShi, Bao'an District, Shenzhen City, Guangdong Province,PRC. TEL: +852 2424 3274 FAX: +852 2424 2219 TEL: +86 755 82612542 TEL: +86 755 26406156 Date Page 8-Sep-2021 CN P/N: OWR-0745T-32 OLE WOLFF www.owolff.com Revision: 01 SPECIFICATION 2 / 7 1. SCOPE THIS SPECIFICATION IS APPLIED FOR A DYNAMIC RECEIVER FOR EARPHONE. 2. TEST CONDITIONS TEMPERATURE: 24°C  27°C HUMIDITY: 65% +/-5% (R.H.) ATMOSPHERE: 860  1060 hPa 3. GENERAL REQUIREMENTS OPERATING TEMPERATURE RANGE: -25° C  60° C STORAGE TEMPERATUR RANGE: -25° C  60° C 4. MECANICAL LAYOUT & DIMENSIONS DIMENSIONS : SHOWN IN FIGURE.5 NET WEIGHT: 0.56g 5. ELECTRICAL AND ACOUSTICAL CHARACTERISTICS 1 Impedance on IEC60318-4 32Ω ± 15% at 1000Hz with 0.179V/1mW 2 Sound Pressure Level on IEC 60318-4 113 ± 3dB at 1000Hz with input 0.179V/1mW (0dB=20μPa) Measure setup as shown in Fig.1 Resonance frequency on IEC 60318-4 Frequency response on IEC 60318-4 Total Harmonic Distortion on IEC 60318-4 2.3kHz ± 15% with input 0.179V/1mW (Temperature 24~27°C, humidity 55-65%) 6 Input Power (Nom./Max.): 1mW /TBD 7 Rub & Buzz Speaker must be free of audible noise at 0.179V sine wave between 50Hz-10kHz 3 4 5 OLE WOLFF ELEKTRONIK A/S Roedengvej 25 4180 Soroe Denmark TEL: +45 57833830 FAX: +45 57820019 OLE WOLFF ELECTRONICS INC. 1525 McCarthy Blvd, Suite 1093 Milpitas, Ca 95035 USA TEL : +1 408 888 8413 Typical performance as shown in Fig.6. (Test input 0.179V/1mW) THD as shown in Fig.6 (Test input 0.179V/1mW) OLEWOLFF ELEKTRONIK GmbH Schulstrasse 15A. DE-25451 Quickborn. Germany OLEWOLFF ELECTRONICS 3 Bedford Street, Woburn, Bedfordshire MK17 9QB, ENGLAND TEL: +49 (0) 4106 765900 FAX: +49 (0) 4106 627297 TEL: +44 (0) 1525 290755 FAX: +44 (0) 1525 290855 OLE WOLFF ELEKTRONIK Yliopistonkatu 26 (P.O.BOX 257) FI-40101 Jyväskylä Finland TEL: +358 14 338 3050 FAX: +358 14 338 3059 OLE WOLFF (ASIA) LTD. Unit B, 19/F., Bold Win Ind. Bldg., No. 16-18 Wah Sing St., Kwai Chung, N.T., H.K. OLE WOLFF LTD. 5 Floor, Block G, WenTao Industrial Park, YingRenShi, Bao'an District, Shenzhen City, Guangdong Province,PRC. TEL: +852 2424 3274 FAX: +852 2424 2219 TEL: +86 755 82612542 TEL: +86 755 26406156 Date Page 8-Sep-2021 CN P/N: OWR-0745T-32 3 / 7 SPECIFICATION OLE WOLFF www.owolff.com Revision: 01 6. RELIABILITY TEST REQUIREMENTS Sensitivity difference at 1000Hz shall be within ±3dB from initial value after each test. The measurement shall be done after minimum 1hour and maximum 2 hours with conditioning of 24° C ~27° C. No. ITEMS 1 HIGH TEMPERATURE TEST STORAGE 2 3 4 TEST CONDITION Temperature 60± 3° C Duration 96hrs Temperature -25± 3° C Duration 96hrs Temperature 40±3° C Humidity 90%--95%(RH) Duration 96hrs Height With protector grill 0.75m to concrete LOW TEMPERATURE TEST STORAGE HIGH TEMPERATURE HUMIDITY TEST DROP TEST Total times 5 6 7 8 OLE WOLFF ELEKTRONIK A/S Roedengvej 25 4180 Soroe Denmark TEL: +45 57833830 FAX: +45 57820019 Temperature -25±3° C ↔60±3° C Duration 2hours, 5mins, 2hours Cycles 5 cycles Test signal and Temperature Pink noise /25° C Test input power TBD Cycles 1sec On, 1min Off, 60cycles Test signal and Temperature Pink noise /25° C Test input power TBD Cycles 1min On/ 2min Off, 10 cycles Test signal and Temperature Pink Noise / 25° C Test input power 1mW/0.179Vrms Duration 96hrs TEMPERATURE CYCLE TEST SHORT TERM MAX INPUT TEST LONG TERM MAX INPUT TEST RATED POWER TEST OLE WOLFF ELECTRONICS INC. 1525 McCarthy Blvd, Suite 1093 Milpitas, Ca 95035 USA TEL : +1 408 888 8413 10 times OLEWOLFF ELEKTRONIK GmbH Schulstrasse 15A. DE-25451 Quickborn. Germany OLEWOLFF ELECTRONICS 3 Bedford Street, Woburn, Bedfordshire MK17 9QB, ENGLAND TEL: +49 (0) 4106 765900 FAX: +49 (0) 4106 627297 TEL: +44 (0) 1525 290755 FAX: +44 (0) 1525 290855 OLE WOLFF ELEKTRONIK Yliopistonkatu 26 (P.O.BOX 257) FI-40101 Jyväskylä Finland TEL: +358 14 338 3050 FAX: +358 14 338 3059 OLE WOLFF (ASIA) LTD. Unit B, 19/F., Bold Win Ind. Bldg., No. 16-18 Wah Sing St., Kwai Chung, N.T., H.K. OLE WOLFF LTD. 5 Floor, Block G, WenTao Industrial Park, YingRenShi, Bao'an District, Shenzhen City, Guangdong Province,PRC. TEL: +852 2424 3274 FAX: +852 2424 2219 TEL: +86 755 82612542 TEL: +86 755 26406156 Date Page 8-Sep-2021 CN P/N: OWR-0745T-32 4 / 7 SPECIFICATION OLE WOLFF www.owolff.com Revision: 01 7.TEST SET UP AND TEST JIG 7.1 MEASUREMENT CIRCUIT FOR DYNAMIC RECEIVER(Fig.1) NO 1 2 3 4 5 6 EQUIPMENT DUT Adapter Audio Analyzer Audio Amplifier Artificial ear Microphone supplier REMARKS Receiver As shown on Fig.2 LISTEN SOUNDCHECK LEM DPA300 GRAS 43AC GRAS 12AX 7.2 Adapter (Fig.2) OLE WOLFF ELEKTRONIK A/S Roedengvej 25 4180 Soroe Denmark TEL: +45 57833830 FAX: +45 57820019 OLE WOLFF ELECTRONICS INC. 1525 McCarthy Blvd, Suite 1093 Milpitas, Ca 95035 USA TEL : +1 408 888 8413 OLEWOLFF ELEKTRONIK GmbH Schulstrasse 15A. DE-25451 Quickborn. Germany OLEWOLFF ELECTRONICS 3 Bedford Street, Woburn, Bedfordshire MK17 9QB, ENGLAND TEL: +49 (0) 4106 765900 FAX: +49 (0) 4106 627297 TEL: +44 (0) 1525 290755 FAX: +44 (0) 1525 290855 OLE WOLFF ELEKTRONIK Yliopistonkatu 26 (P.O.BOX 257) FI-40101 Jyväskylä Finland TEL: +358 14 338 3050 FAX: +358 14 338 3059 OLE WOLFF (ASIA) LTD. Unit B, 19/F., Bold Win Ind. Bldg., No. 16-18 Wah Sing St., Kwai Chung, N.T., H.K. OLE WOLFF LTD. 5 Floor, Block G, WenTao Industrial Park, YingRenShi, Bao'an District, Shenzhen City, Guangdong Province,PRC. TEL: +852 2424 3274 FAX: +852 2424 2219 TEL: +86 755 82612542 TEL: +86 755 26406156 Date Page 8-Sep-2021 CN P/N: OWR-0745T-32 5 / 7 SPECIFICATION OLE WOLFF www.owolff.com Revision: 01 8.STANDARD FREQUENCY RESPONSE CURVE & STANDARD THD Test input 0.179V, IEC60318-4, 1/6oct (Fig.3) OLE WOLFF ELEKTRONIK A/S Roedengvej 25 4180 Soroe Denmark TEL: +45 57833830 FAX: +45 57820019 OLE WOLFF ELECTRONICS INC. 1525 McCarthy Blvd, Suite 1093 Milpitas, Ca 95035 USA TEL : +1 408 888 8413 OLEWOLFF ELEKTRONIK GmbH Schulstrasse 15A. DE-25451 Quickborn. Germany OLEWOLFF ELECTRONICS 3 Bedford Street, Woburn, Bedfordshire MK17 9QB, ENGLAND TEL: +49 (0) 4106 765900 FAX: +49 (0) 4106 627297 TEL: +44 (0) 1525 290755 FAX: +44 (0) 1525 290855 OLE WOLFF ELEKTRONIK Yliopistonkatu 26 (P.O.BOX 257) FI-40101 Jyväskylä Finland TEL: +358 14 338 3050 FAX: +358 14 338 3059 OLE WOLFF (ASIA) LTD. Unit B, 19/F., Bold Win Ind. Bldg., No. 16-18 Wah Sing St., Kwai Chung, N.T., H.K. OLE WOLFF LTD. 5 Floor, Block G, WenTao Industrial Park, YingRenShi, Bao'an District, Shenzhen City, Guangdong Province,PRC. TEL: +852 2424 3274 FAX: +852 2424 2219 TEL: +86 755 82612542 TEL: +86 755 26406156 Date Page 8-Sep-2021 CN P/N: OWR-0745T-32 6 / 7 SPECIFICATION OLE WOLFF www.owolff.com Revision: 01 9. DIMENSION (Fig.4) Unit: mm Tolerance: +/-0.2 OLE WOLFF ELEKTRONIK A/S Roedengvej 25 4180 Soroe Denmark TEL: +45 57833830 FAX: +45 57820019 OLE WOLFF ELECTRONICS INC. 1525 McCarthy Blvd, Suite 1093 Milpitas, Ca 95035 USA TEL : +1 408 888 8413 OLEWOLFF ELEKTRONIK GmbH Schulstrasse 15A. DE-25451 Quickborn. Germany OLEWOLFF ELECTRONICS 3 Bedford Street, Woburn, Bedfordshire MK17 9QB, ENGLAND TEL: +49 (0) 4106 765900 FAX: +49 (0) 4106 627297 TEL: +44 (0) 1525 290755 FAX: +44 (0) 1525 290855 OLE WOLFF ELEKTRONIK Yliopistonkatu 26 (P.O.BOX 257) FI-40101 Jyväskylä Finland TEL: +358 14 338 3050 FAX: +358 14 338 3059 OLE WOLFF (ASIA) LTD. Unit B, 19/F., Bold Win Ind. Bldg., No. 16-18 Wah Sing St., Kwai Chung, N.T., H.K. OLE WOLFF LTD. 5 Floor, Block G, WenTao Industrial Park, YingRenShi, Bao'an District, Shenzhen City, Guangdong Province,PRC. TEL: +852 2424 3274 FAX: +852 2424 2219 TEL: +86 755 82612542 TEL: +86 755 26406156 Date Page 8-Sep-2021 CN P/N: OWR-0745T-32 7 / 7 SPECIFICATION OLE WOLFF www.owolff.com Revision: 01 11.Marking (TBD) 12.Packing (TBD) OLE WOLFF ELEKTRONIK A/S Roedengvej 25 4180 Soroe Denmark TEL: +45 57833830 FAX: +45 57820019 OLE WOLFF ELECTRONICS INC. 1525 McCarthy Blvd, Suite 1093 Milpitas, Ca 95035 USA TEL : +1 408 888 8413 OLEWOLFF ELEKTRONIK GmbH Schulstrasse 15A. DE-25451 Quickborn. Germany OLEWOLFF ELECTRONICS 3 Bedford Street, Woburn, Bedfordshire MK17 9QB, ENGLAND TEL: +49 (0) 4106 765900 FAX: +49 (0) 4106 627297 TEL: +44 (0) 1525 290755 FAX: +44 (0) 1525 290855 OLE WOLFF ELEKTRONIK Yliopistonkatu 26 (P.O.BOX 257) FI-40101 Jyväskylä Finland TEL: +358 14 338 3050 FAX: +358 14 338 3059 OLE WOLFF (ASIA) LTD. Unit B, 19/F., Bold Win Ind. Bldg., No. 16-18 Wah Sing St., Kwai Chung, N.T., H.K. OLE WOLFF LTD. 5 Floor, Block G, WenTao Industrial Park, YingRenShi, Bao'an District, Shenzhen City, Guangdong Province,PRC. TEL: +852 2424 3274 FAX: +852 2424 2219 TEL: +86 755 82612542 TEL: +86 755 26406156