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 ;
this manual make me repair my vintage radio with easily.
Thank you for your best service
sukpra
;
A good manual. Had everything i needed to make the repair.
;
This manual is a complete guide, including later additions. It has all the necessary information about the replacement items. The material quality is great to read.
 ;
This manual is very helpful, correct shematic diagram, and good exploded view.Perfect!
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Alte gescannte Servicepläne sind oft doch etwas undeutlich . Stromlaufpläne werden auf mehrere DIN A4 Seiten aufgeteilt. Alles ziemlich umständlich und zeitaufwendig. Aber mit etwas Mühe geht alles.
Technical Manual
Ref. Seven
SPECIFICATIONS
ACOUSTIC & ELECTRICAL SPECIFICATIONS:
Nominal Impedance: Power Rating: Crossover Frequencies: Frequency Response: 4 to 8 ohms 20 to 125 watts RMS 500Hz, 5,000Hz 45Hz-32kHz +/-2.5dB
Reference Series 3-Way Speaker
PHYSICAL SPECIFICATIONS:
1x - EMIT Tweeters 1x - 5" (12.7cm) Polypropylene Cone Midrange 1x - 8" (20.3cm) Polypropylene Woofer Dimensions: 21-3/4"H x 13-1/2"W" x 10"D XXXXXXXXXXXX XXXXXXXXX55.2cm(H) x 34.3cm(W) x 25.4cm(D) Cabinet Not Sold Grille NLA Control Tweeter #145-0103 Control Midrange #145-0110 Crossover #015-4748 Logo #716-0312
PRODUCTION HISTORY
Introduced in 1982 Discontinued 1984 Original Retail Price: $398.00/pair
TECHNICAL INFORMATION
EMIT
TWEETER #902-5023 DIAPHRAGM #751-3722 5" MIDRANGE #902-4962 8" WOOFER #902-5030
FUSE
1A-30
6.8µF MM
.1mH FC
.5� 5W
5� 5W
TWEETER
.6mH FC
16µF NPE
INPUTS
1.5mH FC
5� 5W 6.8µF NPE
MIDRANGE
3.0mH FC 40µF NPE
WOOFER
REV A
7-98
INFINITY SYSTEMS INC., 250 Crossways Park Drive, Woodbury, New York 11797
Ref. Seven Reference Series 3-Way Speaker
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