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There are currently no product reviews.
 ;
Great manual and fast service. Download was possible after a few hours.
;
thanks a lot.
without the service manual my handycam was going to the trash.
good job, go on.
bye
 ;
This service manual is a good copy of the original, complete and fully readable. It is really useful to repair my Tv set following its clear instructions.
;
Excellent quality. Easy process to download. No issues or problems at all - was exactly what I was looking for and needed. Great service.
;
I was having a hard time finding the problem with this Mackie 1604 unit. I didn't have a schematic. Went looking on the web and found your site and the price was more then reasonable. Ordered it and within the hour had the manual and within 15 minutes had the unit fixed. Best $4.99 I ever spent. Thank you.
Doug
Technical Manual
REFERENCE 50
SPECIFICATIONS
ACOUSTIC & ELECTRICAL SPECIFICATIONS:
Nominal Impedance: Power Rating: Efficiency: Crossover Frequencie: Frequency Response: 6 ohms 25-150 watts 90 dB @ 2.8 volt/1 meter 300Hz, 4,000Hz 44Hz-40kHz +/-2.5dB
Reference Series 3-Way Speaker System
PHYSICAL SPECIFICATIONS:
1x - EMIT-R Tweeter 1x - 5" (12.7cm) IMG Midrange 1x - 9" (20.3cm) IMG Woofer XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX Dimensions: 33"H x 10.5"W" x 9.85"D XXXXXXXXXXX XXXXXXXXX83.82cm(H) x 26.67cm(W) x 25.08cm(D) Cabinet Not Sold Grille #A026-5090 Crossover #A015-5085A Logo #716-5020 Spike Feet #846-4297 CB1 #871-1974
PRODUCTION HISTORY
Introduced in 1991 Discontinued 1993 Original Retail Price: $750.00/pair
TECHNICAL INFORMATION
EMIT-R
TWEETER #902-4578D NLA USE 902-6769 DIAPHRAGM #751-6022
MIDRANGE #902-6770 NLA USE 902-4585
9" WOOFER #902-4592 NLA USE 902-7298
ZD1 1N5343B ZD2 1N5343B
34" BLU/BLK .110" FEMALE CLIP
CB1
C1 6.0µF POLY
MID/TWT INPUTS
1A-30
L1 0.09mH
TWEETER
34" BLUE .205" FEMALE CLIP 32" WHT/BLK
C2 50.0µF NPE
L2 .45mH
C3 10.0µF NPE
R1 .5� 5w
L3 2.50mH
R2 2.5� 10W
.110" FEMALE CLIP
MIDRANGE
32" WHITE .205" FEMALE CLIP 18" RED .250" FEMALE CLIP
WOOFER INPUT
L4 3.0mH
C4 125.0µF NPE
WOOFER
18" RED/BLK .205" FEMALE CLIP
REV A
6-98
INFINITY SYSTEMS INC., 250 Crossways Park Drive, Woodbury, New York 11797
REFERENCE 50 Reference Series 3-Way Speaker System
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