DATE
2017.11.13
PAGE
1/7
CN
SPECIFICATION
OLE WOLFF INTERNATIONAL
www.owolff.com
MODEL NAME: OWR-0920T-16C
Rev.0
Specification for Preliminary
Receiver
Customer No.
Model Name
Note
OWR-0920T-16C
This item was compliance with following the provisions:
1. RoHS directive
2. REACH
DRAWN
CHECKED
APPROVED
CUSTOMER SIGN
OLE WOLFF SIGN
Nathan Chen
2017. 11. 13
REVISION NOTES:
Date
DESCRIPTION OF REVISION
2017.11.13
Initial version
OLE WOLFF
ELEKTRONIK A/S
Roedengvej 25
4180 Soroe
Denmark
TEL: +45 57833830
FAX: +45 57820019
OLE WOLFF ELECTRONICS
INC.
6046 Cornerstone Ct.West
Suite 105
San Diego, CA 92121
USA
TEL: +1 858 45 00 555
FAX: +1 858 45 00 508
OLE WOLFF ELEKTRONIK
GmbH
Schnackenburgallee 14
D-22525 Hamburg
GERMANY
TEL: +49 (0) 407669070
FAX: +49 (0) 40772929
OLE WOLFF ELECTRONICS
3 Bedford Street, Woburn,
Bedfordshire MK17 9QB,
ENGLAND
TEL: +44 (0) 1525 290755
FAX: +44 (0) 1525 290855
OLE WOLFF ELEKTRONIK
Yliopistonkatu 26A,3F
P.O. Box 257
FIN-40101 Jyväskylä
FINLAND
TEL: +358 14 338 3050
FAX: +358 14 338 3059
Rev. No.
Rev.0
OLE WOLFF (ASIA) LTD.
Unit 1-5, 10/F.,
Peninsula Tower,
538 Castle Peak Road,
Lai Chi Kok, Kowloon
HONG KONG
TEL: +852 2424 3274
FAX: +852 2424 2219
OLE WOLFF ELECTRONICS
(M) SDN. BHD.
7, Persiaran Bukit Kecil 1,
Taman Sri Nibong, 11900 Bayan
Lepas, Penang MALAYSIA
TEL: +604 646 9573
FAX: +604 643 0981
DATE
2017.11.13
PAGE
2/7
CN
SPECIFICATION
OLE WOLFF INTERNATIONAL
www.owolff.com
MODEL NAME: OWR-0920T-16C
Rev.0
1. SCOPE
THIS SPECIFICATION IS APPLIED FOR A DYNAMIC SPEAKER FOR EARPHONE.
2. TEST CONDITIONS
TEMPERATURE : 18°C 22°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 70°C
4. MECANICAL LAYOUT & DIMENSIONS
DIMENSIONS : SHOWN IN FIGURE 4.
NET WEIGHT: 0.55 g
5. ELECTRICAL AND ACOUSTICAL CHARACTERISTICS
Impedance
16Ω ± 15% at 1kHz with 0.126V input.
2
Sound Pressure Level
100±3 dB at 1kHz with 0.126V input on a 2cc coupler (0dB=20μPa)
Measure setup as shown in Fig.1
Binning:
Bin A, 103 ~ 101dB, dot mark = red;
Bin B, 100.99 ~ 99dB, dot mark = white;
Bin C, 98.99 ~ 97dB, dot mark = blue.
3
Frequency response
Mask as shown in Fig.3. (Test input 0.126V/ 2cc)
4
Resonance frequency
3000±15% Hz under 0.126V input.
5
Total Harmonic
Distortion (THD)
Upper limit for THD as shown in Fig.3. (Test input 0.126V/ 2cc)
6
Input Power
(Nom. /Max.): 5mW / 10mW.
7
Rub & Buzz
Driver must be free of audible noise at 0.28V sine wave between
50Hz-10kHz.
1
OLE WOLFF
ELEKTRONIK A/S
Roedengvej 25
4180 Soroe
Denmark
TEL: +45 57833830
FAX: +45 57820019
OLE WOLFF ELECTRONICS
INC.
6046 Cornerstone Ct.West
Suite 105
San Diego, CA 92121
USA
TEL: +1 858 45 00 555
FAX: +1 858 45 00 508
OLE WOLFF ELEKTRONIK
GmbH
Schnackenburgallee 14
D-22525 Hamburg
GERMANY
TEL: +49 (0) 407669070
FAX: +49 (0) 40772929
OLE WOLFF ELECTRONICS
3 Bedford Street, Woburn,
Bedfordshire MK17 9QB,
ENGLAND
TEL: +44 (0) 1525 290755
FAX: +44 (0) 1525 290855
OLE WOLFF ELEKTRONIK
Yliopistonkatu 26A,3F
P.O. Box 257
FIN-40101 Jyväskylä
FINLAND
TEL: +358 14 338 3050
FAX: +358 14 338 3059
OLE WOLFF (ASIA) LTD.
Unit 1-5, 10/F.,
Peninsula Tower,
538 Castle Peak Road,
Lai Chi Kok, Kowloon
HONG KONG
TEL: +852 2424 3274
FAX: +852 2424 2219
OLE WOLFF ELECTRONICS
(M) SDN. BHD.
7, Persiaran Bukit Kecil 1,
Taman Sri Nibong, 11900 Bayan
Lepas, Penang MALAYSIA
TEL: +604 646 9573
FAX: +604 643 0981
DATE
2017.11.13
PAGE
3/7
CN
OLE WOLFF INTERNATIONAL
SPECIFICATION
www.owolff.com
MODEL NAME: OWR-0920T-16C
Rev.0
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 18°C ~25°C.
No.
ITEMS
1
HIGH TEMPERATURE TEST STORAGE
2
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
1m to concrete
Total times
10 times
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
0.4Vrms
Cycles
1sec On, 1min Off, 60 cycles
Test signal and
Temperature
Pink Noise / 25°C
Test input power
0.28Vrms
Duration
96hrs
LOW TEMPERATURE TEST STORAGE
3
4
5
6
7
OLE WOLFF
ELEKTRONIK A/S
Roedengvej 25
4180 Soroe
Denmark
TEL: +45 57833830
FAX: +45 57820019
HIGH TEMPERATURE
HUMIDITY TEST
DROP TEST
TEMPERATURE CYCLE TEST
MAX. SHORT TERM POWER TEST
RATED POWER TEST
OLE WOLFF ELECTRONICS
INC.
6046 Cornerstone Ct.West
Suite 105
San Diego, CA 92121
USA
TEL: +1 858 45 00 555
FAX: +1 858 45 00 508
OLE WOLFF ELEKTRONIK
GmbH
Schnackenburgallee 14
D-22525 Hamburg
GERMANY
TEL: +49 (0) 407669070
FAX: +49 (0) 40772929
OLE WOLFF ELECTRONICS
3 Bedford Street, Woburn,
Bedfordshire MK17 9QB,
ENGLAND
TEL: +44 (0) 1525 290755
FAX: +44 (0) 1525 290855
OLE WOLFF ELEKTRONIK
Yliopistonkatu 26A,3F
P.O. Box 257
FIN-40101 Jyväskylä
FINLAND
TEL: +358 14 338 3050
FAX: +358 14 338 3059
OLE WOLFF (ASIA) LTD.
Unit 1-5, 10/F.,
Peninsula Tower,
538 Castle Peak Road,
Lai Chi Kok, Kowloon
HONG KONG
TEL: +852 2424 3274
FAX: +852 2424 2219
OLE WOLFF ELECTRONICS
(M) SDN. BHD.
7, Persiaran Bukit Kecil 1,
Taman Sri Nibong, 11900 Bayan
Lepas, Penang MALAYSIA
TEL: +604 646 9573
FAX: +604 643 0981
DATE
2017.11.13
PAGE
4/7
CN
SPECIFICATION
OLE WOLFF INTERNATIONAL
www.owolff.com
MODEL NAME: OWR-0920T-16C
Rev.0
7. Test setup (Fig.1)
MEASUREMENT CIRCUIT FOR DYNAMIC SPEAKER
NO
1
2
3
4
EQUIPMENT
UNIT UNDER TEST
2CC COUPLER
AUDIO POWER AMPLIFIER
ANALYZER
REMARKS
SPEAKER
OLE WOLFF 2CC COUPLER
LEM DPA300
LISTEN SOUNDCHECK
8. 2cc coupler (Fig.2)
OLE WOLFF
ELEKTRONIK A/S
Roedengvej 25
4180 Soroe
Denmark
TEL: +45 57833830
FAX: +45 57820019
OLE WOLFF ELECTRONICS
INC.
6046 Cornerstone Ct.West
Suite 105
San Diego, CA 92121
USA
TEL: +1 858 45 00 555
FAX: +1 858 45 00 508
OLE WOLFF ELEKTRONIK
GmbH
Schnackenburgallee 14
D-22525 Hamburg
GERMANY
TEL: +49 (0) 407669070
FAX: +49 (0) 40772929
OLE WOLFF ELECTRONICS
3 Bedford Street, Woburn,
Bedfordshire MK17 9QB,
ENGLAND
TEL: +44 (0) 1525 290755
FAX: +44 (0) 1525 290855
OLE WOLFF ELEKTRONIK
Yliopistonkatu 26A,3F
P.O. Box 257
FIN-40101 Jyväskylä
FINLAND
TEL: +358 14 338 3050
FAX: +358 14 338 3059
OLE WOLFF (ASIA) LTD.
Unit 1-5, 10/F.,
Peninsula Tower,
538 Castle Peak Road,
Lai Chi Kok, Kowloon
HONG KONG
TEL: +852 2424 3274
FAX: +852 2424 2219
OLE WOLFF ELECTRONICS
(M) SDN. BHD.
7, Persiaran Bukit Kecil 1,
Taman Sri Nibong, 11900 Bayan
Lepas, Penang MALAYSIA
TEL: +604 646 9573
FAX: +604 643 0981
DATE
2017.11.13
PAGE
5/7
CN
SPECIFICATION
OLE WOLFF INTERNATIONAL
www.owolff.com
MODEL NAME: OWR-0920T-16C
Rev.0
9. Standard Frequency Response Curve & Standard THD (Fig.3)
Test input 0.126V, 2cc coupler, 1/6 octave
FR Mask
F. POINT
50
100
250
315
400
500
710
1000
1600
2000
2500
Hz
Upper limit
+5
+4
+4
+4
+4
+3
+3
+3
+3
+4
+5
dB
Lower limit
-5
-4
-4
-4
-4
-3
-3
-3
-3
-4
-5
dB
F. POINT
2800
3150
3750
4500
5000
5600
6000
6700
7100
7500
8000
Hz
Upper limit
+4.5
+6
+6
+5
+4
+4
+4
+6
+8
+8
+5
dB
Lower limit
-5
-6
-5
-5
-4
-4
-4
-4.5
-6
-8
-9
dB
F. POINT
50
10000
Hz
Upper limit
3
3
%
THD Mask
OLE WOLFF
ELEKTRONIK A/S
Roedengvej 25
4180 Soroe
Denmark
TEL: +45 57833830
FAX: +45 57820019
OLE WOLFF ELECTRONICS
INC.
6046 Cornerstone Ct.West
Suite 105
San Diego, CA 92121
USA
TEL: +1 858 45 00 555
FAX: +1 858 45 00 508
OLE WOLFF ELEKTRONIK
GmbH
Schnackenburgallee 14
D-22525 Hamburg
GERMANY
TEL: +49 (0) 407669070
FAX: +49 (0) 40772929
OLE WOLFF ELECTRONICS
3 Bedford Street, Woburn,
Bedfordshire MK17 9QB,
ENGLAND
TEL: +44 (0) 1525 290755
FAX: +44 (0) 1525 290855
OLE WOLFF ELEKTRONIK
Yliopistonkatu 26A,3F
P.O. Box 257
FIN-40101 Jyväskylä
FINLAND
TEL: +358 14 338 3050
FAX: +358 14 338 3059
OLE WOLFF (ASIA) LTD.
Unit 1-5, 10/F.,
Peninsula Tower,
538 Castle Peak Road,
Lai Chi Kok, Kowloon
HONG KONG
TEL: +852 2424 3274
FAX: +852 2424 2219
OLE WOLFF ELECTRONICS
(M) SDN. BHD.
7, Persiaran Bukit Kecil 1,
Taman Sri Nibong, 11900 Bayan
Lepas, Penang MALAYSIA
TEL: +604 646 9573
FAX: +604 643 0981
DATE
2017.11.13
PAGE
6/7
CN
SPECIFICATION
OLE WOLFF INTERNATIONAL
www.owolff.com
MODEL NAME: OWR-0920T-16C
Rev.0
10. Dimension (Fig.4)
Unit: mm
Tolerance: +/-0.3
OLE WOLFF
ELEKTRONIK A/S
Roedengvej 25
4180 Soroe
Denmark
TEL: +45 57833830
FAX: +45 57820019
OLE WOLFF ELECTRONICS
INC.
6046 Cornerstone Ct.West
Suite 105
San Diego, CA 92121
USA
TEL: +1 858 45 00 555
FAX: +1 858 45 00 508
OLE WOLFF ELEKTRONIK
GmbH
Schnackenburgallee 14
D-22525 Hamburg
GERMANY
TEL: +49 (0) 407669070
FAX: +49 (0) 40772929
OLE WOLFF ELECTRONICS
3 Bedford Street, Woburn,
Bedfordshire MK17 9QB,
ENGLAND
TEL: +44 (0) 1525 290755
FAX: +44 (0) 1525 290855
OLE WOLFF ELEKTRONIK
Yliopistonkatu 26A,3F
P.O. Box 257
FIN-40101 Jyväskylä
FINLAND
TEL: +358 14 338 3050
FAX: +358 14 338 3059
OLE WOLFF (ASIA) LTD.
Unit 1-5, 10/F.,
Peninsula Tower,
538 Castle Peak Road,
Lai Chi Kok, Kowloon
HONG KONG
TEL: +852 2424 3274
FAX: +852 2424 2219
OLE WOLFF ELECTRONICS
(M) SDN. BHD.
7, Persiaran Bukit Kecil 1,
Taman Sri Nibong, 11900 Bayan
Lepas, Penang MALAYSIA
TEL: +604 646 9573
FAX: +604 643 0981