Date
Page
4-Nov-2021
CN
P/N: OWR-4007T-32C
1/8
OLE WOLFF
www.owolff.com
Revision: 01
SPECIFICATION
PRELIMINARY SPECIFICATION
Receiver
Part Number
OWR-4007T-32C
This item was compliance with the following requirements:
1. RoHS directive
2. REACH
Note
Customer P/N
Ole Wolff
Signature
/ Date
Prepared
Checked
Approved
Ena Wang
2021.11.04
Nathan Chen
2021.11.04
Ryan Li
2021.11.04
Confirmation
Customer
Signature
/ Date
REVISION NOTES:
Date
Rev.
2021.09.09
00
Initial version; Use the crease-resistant diaphragm.
2021.11.04
01
Corrected the marking information on page 7.
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
4-Nov-2021
CN
P/N: OWR-4007T-32C
OLE WOLFF
www.owolff.com
Revision: 01
SPECIFICATION
2/8
1. SCOPE
THIS SPECIFICATION IS APPLIED FOR A DYNAMIC RECEIVER FOR HEADPHONE.
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.8
NET WEIGHT: 12.3g+/-10%
5. ELECTRICAL AND ACOUSTICAL CHARACTERISTICS
1
Impedance on IEC 318
36Ω ± 10% at 100Hz with 0.190V/1mW
117.6±3 dB at 100Hz and 117.0±3 dB at 1000Hz with input
0.190V/1mW (0dB=20μPa)
Measure setup as shown in Fig.1
Group
A1
2
Sound Pressure Level on
IEC318 coupler
A2
A3
B1
B2
B3
C1
C2
C3
3
4
5
100Hz
120.6~119.11dB
120.6~119.11dB
120.6~119.11dB
119.1~116.1dB
119.1~116.1dB
119.1~116.1dB
116.09~114.6dB
116.09~114.6dB
116.09~114.6dB
1000Hz
Dot mark
120.0 ~118.51dB
118.5~115.5dB
115.49~114.0dB
120.0 ~118.51dB
118.5~115.5dB
115.49~114.0dB
120.0 ~118.51dB
118.5~115.5dB
115.49~114.0dB
PURPLE
SLIVERY
WHITE
RED
BLUE
YELLOW
GREEN
BLACK
GOLD
Resonance frequency on
3100±15%Hz with input 0.190V/1mW
IEC 318 coupler
Frequency response on
Typical performance as shown in Fig.3. (Test input 0.190V/1mW)
IEC 318 coupler
Total Harmonic
Distortion on IEC 318
THD as shown in Fig.3 (Test input 0.190/1mW)
coupler
6
Input Power
(Nom./Max.): 0.01W /0.03W
7
Rub & Buzz
Speaker must be free of audible noise at 0.6v sine wave between
50Hz-10KHz
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
4-Nov-2021
CN
P/N: OWR-4007T-32C
3/8
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 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
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
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
0.03W/1.04Vrms
Cycles
1sec On, 1min Off, 60cycles
Test signal and
Temperature
Pink noise /25° C
Test input power
0.03W/1.04Vrms
Cycles
1min On/ 2min Off, 10 cycles
Test signal and
Temperature
Pink Noise / 25° C
Test input power
0.01W/0.6Vrms
Duration
96hrs
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
4-Nov-2021
CN
P/N: OWR-4007T-32C
4/8
SPECIFICATION
OLE WOLFF
www.owolff.com
Revision: 01
7. TEST SETUP AND TEST JIG FOR IEC318 COUPLER
7.1 IEC 318 MEASUREMENT CIRCUIT FOR DYNAMIC SPEAKER (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 43AA
GRAS 12AX
7.2 IEC 318 TEST JIG (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
4-Nov-2021
CN
P/N: OWR-4007T-32C
OLE WOLFF
www.owolff.com
Revision: 01
SPECIFICATION
5/8
8.Standard Frequency Response Curve & Standard THD (Fig.3)
Test input 0.190V (IEC 318), 1/12oct. Soundcheck stimulus step size 8 min cycles and 5ms min duration.
The following tolerances are offset values. Limit is absolute value based on the golden sample offset.
FR limit
F.POINT
Upper limit
Lower limit
40
3
-3
45
3
-3
56
3
-3
63
3
-3
71
3
-3
80
3
-3
100
3
-3
200
3
-3
250
3
-3
400
3
-3
500
3
-3
560
3
-3
630
3
-3
800
3
-3
Hz
dB
dB
F.POINT
Upper limit
Lower limit
1000
3
-3
1120
3
-3
1250
3
-3
1400
3
-3
1600
3
-3
1800
3
-3
2k
3
-3
2.24k
3
-3
2.5k
3
-3
2.8k
3
-3
3k
3
-3
3.15k
3
-3
3.35k
3
-4
3.55k
3
-4
Hz
dB
dB
F.POINT
Upper limit
Lower limit
4k
5
-6
4.25k
5
-7
4.5k
5
-8
4.75k
5
-8
5k
6
-7
5.3k
-6
5.6k
15
-10
6k
5
-
6.3k
5
-7
6.7k
6
-7
7.1k
6
-7
7.5k
6
-6
8k
6
-7
8.5k
6
-
Hz
dB
dB
F.POINT
Upper limit
Lower limit
9k
6
-
Hz
dB
dB
THD limit
F.POINT
50
100
180
500
1k
10k
Hz
Upper limit
3
3
3
3
3
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
4-Nov-2021
CN
P/N: OWR-4007T-32C
6/8
OLE WOLFF
www.owolff.com
Revision: 01
SPECIFICATION
9.DIMENSION (Fig.4)
Unit: mm
Tolerance: +/-0.2
Soldering temperature 370-390°C
Soldering duration less than 2.5s
Binning Marking:
Bin A1 = Purple dot,
Bin A2 = Sliver dot,
Bin A3 =White dot,
Bin B1 = Red dot,
Bin B2 = Blue dot,
Bin B3 = Yellow dot,
Bin C1 = Green dot,
Bin C2 = Black dot,
Bin C3 = Gold dot,
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
4-Nov-2021
CN
P/N: OWR-4007T-32C
7/8
SPECIFICATION
OLE WOLFF
www.owolff.com
Revision: 01
10.Marking (Fig.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 City,
Guangdong Province,PRC.
TEL: +852 2424 3274
FAX: +852 2424 2219
TEL: +86 755 82612542
TEL: +86 755 26406156
Date
Page
4-Nov-2021
CN
P/N: OWR-4007T-32C
8/8
SPECIFICATION
OLE WOLFF
www.owolff.com
Revision: 01
11.Packing (Fig.7)
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