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JM Electronics
Good quality service manual German user manual. German user manual This is a quality scan of a manual in excellent condition and is just as good as having the original manual in hand
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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