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The cover page was a little scary, very dark but readable. The remainder of the document was better copy and easily readable. Why would I give 5 Stars? (1) PRICE, (2) AUTHENTICITY, It was the real deal, filled with service information, including the specific information I required. (3) PRIVACY, I didn't start to get slammed with spam. (4) EASY TRANSACTION. Painless. (5) COMPLETE, I have found several manuals here, that I could find nowhere else. (6) I will be a repeat customer!
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Well done!!! I found what I need to have, indeed!
Furthermore, due to my hobby is repairing vintage equipments, I added this web site in my desk toolbar because I have in mind to search further service manuals. Thanks a lot www.owner-manuals.com !
Regards, Maurizio
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Again very good service manual, this time very fast download. AAAAA+
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Ckear manual, well reproduced with plenty of overlap on critical pages.
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I buy the service manual cheaper here than in elsewhere.Am happy with this site. I recommended the Owner-Manuals.com
Reference 1020w 10" Woofer � Technical Data
CAR AUDIO
VENTED BOX VOLUME (INCLUDES DRIVER/PORT DISPLACEMENTS)
SEALED BANDPASS BOX VOLUME (INCLUDES DRIVER/PORT DISPLACEMENTS)
length = 9.01"
Port
fo = 28.0 Hz
Port
fo = 50.0 Hz
length = 7.87"
Reference 1020w
(side view)
Reference 1020w
(side view)
diam. = 4"
VBOX = 1.75 ft3 (49.56 liters)
(all sides lined with 1-inch fiberglass or fiberfill)
diameter = 3"
V
REAR (stuffed with loosely-packed fiberfill)
= 1.00 ft3 (28.32 liters)
V
FRONT
= 1.00 ft3 (28.32 liters)
VENTED FREQUENCY RESPONSE @ 2.83 V
105 100 dB In-Car 12 dB LP @ 80 Hz 95
SEALED BANDPASS FREQUENCY RESPONSE @ 2.83 V
100 dB In-Car 12 dB LP @ 80 Hz Out-Of-Car
95 Out-Of-Car 90
90
85
85
80
80
75
75
70
70
65
65 20 Frequency 50 100 Hz 200 500 1k
C
60 20 Frequency 50 100 Hz 200 500 1k
C
2k
2k
VENTED EXCURSION/GROUP DELAY @ 250 W
40 Xd mM T mSec 40 20.0 35 30 17.5
SEALED BANDPASS EXCURSION/GROUP DELAY @ 225 W
Xd mM T mSec 20 15
30
20
15.0
10
25 Group Delay 20
10
12.5 Group Delay
5
0
10.0
0
15
-10
7.5
-5
10
-20
5.0
-10
5
Transducer Excursion
-30
2.5 Transducer Excursion
-15
0 20 Frequency 50 100 Hz 200 500 1k
C
-40
0.0 20 Frequency 50 100 Hz 200 500 1k
C
-20
2k
2k
Harman Consumer Group � 250 Crossways Park Drive � Woodbury, NY 11797 � VOICE: 516-496-3400 � FAX: 516-496-4868 � www.infinitysystems.com
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