Date
Page
6-Feb-2020
1/8
DK
P/N: OWS-4021TA-4
OLE WOLFF
www.owolff.com
Revision: 00
SPECIFICATION
SPECIFICATION FOR APPROVAL
Speaker
Part Number
OWS-4021TA-4
Note
This item was compliance with the following requirements:
1. RoHS directive
2. REACH
Customer P/N
Prepared
Signature
/ Date
Ole Wolff
Checked
Approved
YanRui
2020.2.6
Confirmation
Customer
Signature
/ Date
REVISION NOTES:
Date
Rev.
2020.2.6
00
OLE WOLFF
ELEKTRONIK A/S
Roedengvej 25
4180 Soroe
Denmark
TEL: +45 57833830
FAX: +45 57820019
Description of Revision
Initial Release
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 , PRC
TEL: +852 2424 3274
FAX: +852 2424 2219
TEL: +86 755 82612542
TEL: +86 755 26406156
Date
Page
6-Feb-2020
2/8
DK
P/N: OWS-4021TA-4
OLE WOLFF
www.owolff.com
Revision: 00
SPECIFICATION
1. SCOPE
THIS SPECIFICATION IS APPLIED FOR A DYNAMIC SPEAKER.
2. TEST CONDITIONS
TEMPERATURE : 15°C 35°C
HUMIDITY : 45%85% (R.H.)
ATMOSPHERE : 860 1060 hPa
3. GENERAL REQUIREMENTS
OPERATING TEMPERATURE RANGE: -20°C 60°C
STORAGE TEMPERATUR RANGE:
-20°C 60°C
4. MECANICAL LAYOUT & DIMENSIONS
DIMENSIONS : SHOWN IN FIGURE.4
NET WEIGHT: approx 28g
5. ELECTRICAL AND ACOUSTICAL CHARACTERISTICS
1
IMPEDANCE
4 ± 15%Ω
2
SOUND PRESSURE
LEVEL
85±3dB 1W/0.5m at (AVG 0.8,1.0,1.6,2.0)KHz
baffleboard (IEC), MEASUREMENT AS SHOWN IN
FIGURE.1
3
FREQUENCY
RESPONSE CURVE
SHOW IN FIGURE 2
4
RESONANCE
FREQUENCY
180 ±20% Hz in free air at 1.0Vrms
5
TOTAL HARMONIC
DISTORTION (THD)
SHOW IN FIGURE 3
6
BUZZ & RATTLE
DYNAMIC SPEAKER MUST BE FREE AUDIBLE NOISE
AT 3.46Vrms, SINE WAVE BETWEEN 20Hz AND 2KHz
FREQUENCY RANGE.
7
INPUT POWER
(Nom./Max.): 3 W / 5W
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
< 5% at 1KHz
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 , PRC
TEL: +852 2424 3274
FAX: +852 2424 2219
TEL: +86 755 82612542
TEL: +86 755 26406156
Date
Page
6-Feb-2020
3/8
DK
P/N: OWS-4021TA-4
SPECIFICATION
OLE WOLFF
www.owolff.com
Revision: 00
6. RELIABILITY TEST REQUIREMENTS.
After any following tests the S.P.L should not deviate more than ±3dB from initial value.
No.
ITEMS
TEST CONDITION
1.
High temp. Test
2.
Low temp. Test
3.
Humidity Test
4.
Thermal cycle test.
5.
Vibration Test
6.
Drop Test
Temperature:
+60 ℃± 3℃
Duration:
96 hours
Temperature:
-20 ℃± 3℃
Duration:
96 hours
Temperature:
+40 ℃± 3℃
Relative Humidity: 90-95% RH
Duration:
96 hours (recovery 6 hours)
Low temperature: -25℃±2℃, temperature:+60℃±2℃, cycle: 1
hour/cycle each, and then keep 4 cycles in a room.
Frequency: 10 ~ 55 ~10Hz Oct/min
Amplitude:1.5mm
Duration: 2hours in each 3axes
Free drop from 60cm height to a board of 20mm thick one point ,three
corners ,six sides. 1 times each, total 10 times.
7.
Load test
Input power:3W,Pink noise 96hours .
8.
Terminal
Strength
Load: 1.0 Kg
Duration: 15sec.(Shall be normal)
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 , PRC
TEL: +852 2424 3274
FAX: +852 2424 2219
TEL: +86 755 82612542
TEL: +86 755 26406156
Date
Page
6-Feb-2020
4/8
DK
P/N: OWS-4021TA-4
SPECIFICATION
OLE WOLFF
www.owolff.com
Revision: 00
7. ELECTRICAL CHARACTERISTICS MEASURMENT (FIGURE.1)
MEASUREMENT CIRCUIT FOR DYNAMIC SPEAKER
MEASURING EQUIPMENT
NO
EQUIPMENT
REMARKS
1.0
UNIT UNDER TEST
SPEAKER
2.0
TEST BOX
OLE WOLFF STANDARD BOX
3.0
AUDIO POWER AMPLIFIER
CRATE AUDIO SPA300
4.0
ANALYZER
LISTEN SOUNDCHECK
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 , PRC
TEL: +852 2424 3274
FAX: +852 2424 2219
TEL: +86 755 82612542
TEL: +86 755 26406156
Date
Page
6-Feb-2020
5/8
DK
P/N: OWS-4021TA-4
SPECIFICATION
OLE WOLFF
www.owolff.com
Revision: 00
8. STANDARD FREQUENCY RESPONSE CURVE(FIGURE.2)
3.46Vrms /0.5m
9. STANDARD THD CURVE (FIGURE.3)
3.46Vrms /0.5m
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 , PRC
TEL: +852 2424 3274
FAX: +852 2424 2219
TEL: +86 755 82612542
TEL: +86 755 26406156
Date
Page
6-Feb-2020
6/8
DK
P/N: OWS-4021TA-4
SPECIFICATION
OLE WOLFF
www.owolff.com
Revision: 00
10. OUTVIEW (FIGURE.4)
Unless otherwise specified,tolerance:±0.5(unit:mm)
11.
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 , PRC
TEL: +852 2424 3274
FAX: +852 2424 2219
TEL: +86 755 82612542
TEL: +86 755 26406156
Date
Page
6-Feb-2020
7/8
DK
P/N: OWS-4021TA-4
SPECIFICATION
OLE WOLFF
www.owolff.com
Revision: 00
MARKING(FIGURE.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
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 , PRC
TEL: +852 2424 3274
FAX: +852 2424 2219
TEL: +86 755 82612542
TEL: +86 755 26406156
Date
Page
6-Feb-2020
8/8
DK
P/N: OWS-4021TA-4
OLE WOLFF
www.owolff.com
Revision: 00
SPECIFICATION
12. PACKING(FIGURE.6)
井字包装纸盒
60只/盒
2层/盒
30只/层
盖板
1只/盒
盖板
透明胶带
5盒
共300只
顶泡沫垫板
上下各1只
透明胶带
井字包装盒
纸箱
300只/箱
底泡沫垫板
透明胶带
封箱带
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 , PRC
TEL: +852 2424 3274
FAX: +852 2424 2219
TEL: +86 755 82612542
TEL: +86 755 26406156