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Very fast, clear and usefull site !
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The manual you sent me was excellent. It included clear, readable diagrams and a usable parts list. I would surely use your service again. Thanks
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The Technics manual was very clear and I was able to solve my technical problems.
I did not think that anyone kept these manuals and was pleasantly surprised to find them on the Internet and at an affordable price.
I would recommend Owner Manuals as a first source of technical products for ‘dated’ equipment manuals.
Ian
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The content of the manual was not found on the Internet and was a hard find. I check the net for 5 hours until I came across this web-site. When I did find the book it Auto loaded into my IPAD PDF shelf for books for review at anytime. Overall I am satisfied with the book and it answered all my questions. This repair book is obsolete because the product I bout it for is pretty old. Thanks for the help with the download and even having the manual. Thanks 73's K5HRD
Kappa Perfect12.1d 12" Woofer �Technical Data
CAR AUDIO
VENTED BOX VOLUME (INCLUDES DRIVER/PORT DISPLACEMENTS)
SEALED BANDPASS BOX VOLUME (INCLUDES DRIVER/PORT DISPLACEMENTS)
Port
length = 10.70"
length = 12.33"
Port
fo = 32.0 Hz
fo = 40.0 Hz
Kappa Perfect12.1d
(side view)
Kappa Perfect12.1d
(side view) diam. = 4"
(all sides lined with 1-inch fiberglass or fiberfill)
VBOX = 1.75 ft3 (49.56 liters)
diameter = 4.0"
VREAR = 2.20 ft3 (62.30 liters)
(all sides lined with 1-inch fiberglass or fiberfill)
VFRONT = 1.25 ft3 (35.40 liters)
(all sides lined with 1-inch fiberglass or fiberfill)
VENTED FREQUENCY RESPONSE @ 2.83 V
105 dB In-Car 12 dB LP @ 90 Hz 105 100 100
SEALED BANDPASS FREQUENCY RESPONSE @ 2.83 V
dB In-Car 12 dB LP @ 90 Hz
95 Out-Of-Car 90
95
Out-Of-Car
90
85
85
80
80
75
75
70
70
65 20 Frequency 50 100 Hz 200 500 1k
C
65 20 Frequency 50 100 Hz 200 500 1k
C
2k
2k
VENTED TRANSDUCER EXCURSION @ 550 W
40 Xd mM 40 35 35
SEALED BANDPASS TRANSDUCER EXCURSION @ 475 W
Xd mM
30
30
25
25
20
20
15
15
10
10
5
5
0 20 Frequency 50 100 Hz 200 500 1k
C
0 20 Frequency 50 100 Hz 200 500 1k
C
2k
2k
Infinity Systems, Inc. � 250 Crossways Park Drive � Woodbury, NY 11797 � VOICE: 516-496-3400 � FAX: 516-496-4868 � www.infinitysystems.com
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