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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
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Well.. I'd searched for this manual and although I found many copies online I was pleased to find your website with a well balanced pricing system and easy to search and follow links. That together with the very quick response time was just what I was looking for.. being a very impatient tech.. ;-) I had the service manual in front of me within a short time.
Bookmarked.. and you can bet I will always come here first for my service & user manuals..
best regards
Ed(Tony) Foley
G7WHK
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I will definitely be back for more information when I need it.
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The service manual when downloaded and printed out was clear and easy to read. I would have liked to have been able to enlarge some details, but this was not possible as the file permissions did not allow this. The service was very good. The time taken from placing my order to downloading the document was only a few minutes.
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The manual is useful for trouble shooting for an old instrument. It saved money,and let me enjoy DIY.
Beta FifteenXdvc 15" Woofer � Technical Data
SPECIFICATIONS
DIAMETER: SENSITIVITY (2.83V @ 1 M): POWER HANDLING: FREQUENCY RESPONSE: NOMINAL IMPEDANCE: VOICE-COIL DIAMETER: DIMENSIONS:
mounting depth 6.60" (167.64 mm)
IMPEDANCE CURVE
15" (381.0 MM) 97 dB 350 WRMS 18 ~ 350 HZ 4 OHMS (PER COIL) 3.18" (80.8 MM)
100.0 Ohms
30.0
10.0
3.0
1.0 20 Frequency 50 100 Hz 200 500 1k 2k
cutout diameter 13.75" (349.25 mm) outer diameter 15.65" (397.51 mm)
INFINITE BAFFLE FREQUENCY RESPONSE @ 2.83 V
105 dB In-Car 12 dB LP @ 70 Hz 100
THIELE-SMALL PARAMETERS*
VOICE COIL DC RESISTANCE: REVC (OHMS) . . . . . . 2.20 VOICE COIL INDUCTANCE @ 1 KHZ: LEVC (MH) . . . . . . . 2.68 DRIVER RADIATING AREA: SD (IN 2) . . . . . . . 127.93 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: SD (CM2). . . . . . . 829.00 BL (TM) . . . . . . . . 13.97 VAS (FT3) . . . . . . . . 8.20 VAS (LITERS) . . . . 193.49 CMS (µM/N) . . . . 198.27 MMS (GRAMS). . . . 173.96 MMD (GRAMS) . . . 160.24 FS (HZ) . . . . . . . . 27.10 QMS. . . . . . . . . . . 10.10 QES . . . . . . . . . . . . 0.33 QTS . . . . . . . . . . . . 0.32 HAG (IN) . . . . . . . . . 0.35 HAG (MM) . . . . . . . . 9.00 HVC (IN) . . . . . . . . . 0.76 HVC (MM) . . . . . . . 19.40 XMAX (IN) . . . . . . . . 0.20 XMAX (MM) . . . . . . . 5.20
95 90 85
Out-Of-Car
80
75
70
65 20 Frequency 50 100 Hz 200 500 1k
C
2k
INFINITE BAFFLE EXCURSION/GROUP DELAY @ 150 W
20.0 Xd mM T mSec 10.0 17.5 7.5
15.0
5.0
12.5
Group Delay
2.5
10.0 7.5 5.0
0.0 -2.5 -5.0
2.5 Transducer Excursion 0.0
-7.5
*VOICE COILS CONNECTED IN PARALLEL
20
Frequency
50
100 Hz
200
500
1k
-10.0 2k
C
Ininfity Technical Data . . 8�53
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