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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
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This is a service manual in every sense of the word ( French and German versions of the text are included, as well as English..)
There are explanations of the mechanical and electrical functions, plenty of mechanical drawings, and the needed schematics. The quality of the scanning is excellent - all the component values are clearly legible - and very usefully there are pcb component layouts, so you can find a component on the schematic, and then very quicky pinpoint its physical location on the relevant pcb.
I cannot see how I can give this manual any less than the maximum 5 stars! Great value for money, which will pay for itself immediately. Excellent all round!
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the manual is great and especially hard to find... thanks for the great service and having a hard to find manuel_
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Please tell us what you think and share your opinions with others. Be sure to focus your comments on the product. You will receive $2.50 of store credit for Your review.
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hat alles sehr gut geklappt. Das Servicemaual ist gut zu verwenden. Die Pläne und Schrift
ist klar und leserlich. Außerdem preiswert. Grüße an alle Hifi-Bastler
Beta EightX 8" Woofer � Technical Data
SPECIFICATIONS
DIAMETER: SENSITIVITY (2.83 V @ 1 M): POWER HANDLING: FREQUENCY RESPONSE: NOMINAL IMPEDANCE: VOICE-COIL DIAMETER: DIMENSIONS:
mounting depth 3.625" (92.08 mm)
IMPEDANCE CURVE
8" (203.2 MM) 90 dB 200 W
RMS
100.0 Ohms
30.0
20 ~ 600 HZ 4 OHMS 1.5" (38.6 MM)
10.0
3.0
1.0 20 Frequency 50 100 Hz 200 500 1k 2k
cutout diameter 7.28" (184.91 mm) outer diameter 8.78" (223.01 mm)
INFINITE BAFFLE FREQUENCY RESPONSE @ 2.83 V
100 dB In-Car 12 dB LP @ 70 Hz 95 90 85 80 75 70 Out-Of-Car
THIELE-SMALL PARAMETERS
VOICE COIL DC RESISTANCE: R EVC (OHMS) . . . . . . 2.90 VOICE COIL INDUCTANCE @ 1 KHZ: L EVC (MH). . . . . . . . 3.70 DRIVER RADIATING AREA: S D (IN 2) . . . . . . . . 33.33 S (CM2). . . . . . . 216.00
D
MOTOR FORCE FACTOR: COMPLIANCE VOLUME: SUSPENSION COMPLIANCE: MOVING MASS, AIR LOAD: MOVING MASS, DIAPHRAGM: FREE-AIR RESONANCE: MECHANICAL Q: ELECTRICAL Q: TOTAL Q: MAGNETIC-GAP HEIGHT: VOICE-COIL HEIGHT: MAXIMUM EXCURSION:
BL (TM) . . . . . . . . . 9.09 V (FT3). . . . . . . . . 1.43
AS
65
VAS (LITERS). . . . . . 33.72 C MS (µM/N) . . . . 509.00 MMS (GRAMS) . . . . . 49.68 MMD (GRAMS). . . . . 47.85 FS (HZ) . . . . . . . . 31.65 Q MS . . . . . . . . . . . . 6.80 Q ES . . . . . . . . . . . . 0.35 Q TS . . . . . . . . . . . . 0.33 H (IN) . . . . . . . . . 0.31
AG
60
C
20 Frequency
50
100 Hz
200
500
1k
2k
INFINITE BAFFLE EXCURSION/GROUP DELAY @ 100 W
20.0 Xd mM 17.5 15.0 T mSec 10.0 7.5 5.0
12.5 Group Delay 10.0
2.5
HAG (MM) . . . . . . . . 8.00 H (IN) . . . . . . . . . 1.06
VC
0.0
7.5
-2.5
HVC (MM) . . . . . . . 27.00 X MAX (IN) . . . . . . . . 0.37 X MAX (MM). . . . . . . . 9.50
5.0 2.5 0.0 20 Frequency 50 100 Hz 200 500 1k Transducer Excursion
C
-5.0 -7.5 -10.0 2k
8�32 . . Infinity Technical Data
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