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There are currently no product reviews.
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Exactly what was needed to assess the product - excellent value and great service
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A site where discontinualed schematic diagrams and back dated information can be found on discontinued radios tv's and any electronic equipment can be found. Newer manuals either Service and operating manuals. Radio amateurs should find this site a great source for ham radio equipment manuals. I will return to this site should I need information on any electrical equipment. priced easy to download in a PDF format and print pages need to undertake the repair.
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Quality scan of the original. All the detail necessary to troubleshoot, repair and adjust the unit. I'm sure I will be downloading more manuals in the future as the need arises.
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Exactly as described, a Service Manual complete with the schematics and PCB layout delivered in a timely manner. Many thanks for the great service.
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some of the writing is a bit blur but the part in the schmatic was great and i have fixed the machine thanks
Technical Manual
Ref. Three
SPECIFICATIONS
ACOUSTIC & ELECTRICAL SPECIFICATIONS:
Nominal Impedance: Power Rating: Crossover Frequencies: Frequency Response: Sensitivity: 6 ohms 20 to 125 watts 400Hz, 3500Hz 47Hz-25kHz +/-3dB 90dB @ 1 watt,1 meter
Reference Series 3-Way Speaker
PHYSICAL SPECIFICATIONS:
1x - Polycell Tweeters 1x - 5" (12.7cm) IMG Midrange 1x - 8" (20.3cm) IMG Woofer Dimensions: 21-5/8"H x 10-1/2"W" x 9-7/8"D (includes grille) XXXXXXXXX54.92cm(H) x 26.67cm(W) x 25.08cm(D) Cabinet Not Sold Grille #026-4575 Crossover #015-4582 Logo #716-4326
PRODUCTION HISTORY
Introduced in 1991 Discontinued 1993 Original Retail Price: $439.00/pair
TECHNICAL INFORMATION
TWEETER #902-4606 DIAPHRAGM #751-5099
5" (12.7cm) MIDRANDGE #902-4585
8" (20.3cm) WOOFER #902-4592
23" BLU/BLK .110" FEMALE CLIP
C1 2.5µF NPE
L1 0.60mH
TWEETER
23" BLUE .205" FEMALE CLIP
L2 C2 45.0µF NPE .80mH
R2 3.0� 10W C3 10.0µF NPE
22" WHT/BLK .110" FEMALE CLIP
INPUTS
L3 2.50µF
MIDRANGE
22" WHT .205" FEMALE CLIP
L4 3.0mH
15" RED .250" FEMALE CLIP
C4 150.0µF NPE
WOOFER
REV A
8-98
INFINITY SYSTEMS INC., 250 Crossways Park Drive, Woodbury, New York 11797
Ref. Three Reference Series 3-Way Speaker
15" RED/BLK .205" FEMALE CLIP
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