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Great tape deck manual!
I'm very positively surprised, because it is a very long manual, lot of pages, drawings, diagrams, description of how to make the alignment and adjustment procedures.
It is as good as the old "Naka" manuals from the 1970's - if somebody have seen them, they know what I mean by that.
I recommend to buy this very much !
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I am a vintage hifi collector. No way to fix that device without the appropriate service manual...thanks to your site I got it and every thing is easier now. I got the manual right after ordering: fast cheap accurate ... thank you
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Wonderful job clear. Qick fantastic. These people are really good. If even a problem arise they are wonderful assisting you. These scheme is so net despite this is a very old TV. Thank you for everything!!!!!!!!
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Detailed schematic diagram, manual for professionals
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Good service manual,exploded view,adjusment and test point locations,head alignment,mechanical checks and adjusments,all perfect.
Beta EightXdvc 8" Woofer � Technical Data
SPECIFICATIONS
DIAMETER: SENSITIVITY (2.83V @ 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 WRMS 20 ~ 600 HZ 4 OHMS (PER COIL) 1.5" (38.6 MM)
100.0 Ohms
30.0
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 @ 80 Hz 95
THIELE-SMALL PARAMETERS*
VOICE COIL DC RESISTANCE: REVC (OHMS) . . . . . . 2.90 VOICE COIL INDUCTANCE @ 1 KHZ: LEVC (MH) . . . . . . . 1.27 DRIVER RADIATING AREA: SD (IN 2) . . . . . . . . 33.33 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). . . . . . . 216.00 BL (TM) . . . . . . . . . 9.07 VAS (FT3) . . . . . . . . 1.40 VAS (LITERS) . . . . . 33.03 CMS (µM/N) . . . . 498.56 MMS (GRAMS). . . . . 47.81 MMD (GRAMS) . . . . 45.98 FS (HZ) . . . . . . . . . 32.6 QMS. . . . . . . . . . . . 3.38 QES . . . . . . . . . . . . 0.35 QTS . . . . . . . . . . . . 0.31 HAG (IN) . . . . . . . . . 0.31 HAG (MM) . . . . . . . . 8.00 HVC (IN) . . . . . . . . . 1.06 HVC (MM) . . . . . . . 26.80 XMAX (IN) . . . . . . . . 0.37 XMAX (MM) . . . . . . . 9.40
90 85 80 Out-Of-Car
75
70
65
60 20 Frequency 50 100 Hz 200 500 1k
C
2k
INFINITE BAFFLE EXCURSION/GROUP DELAY @ 50 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
-7.5
0.0
*VOICE COILS CONNECTED IN PARALLEL
20
Frequency
50
100 Hz
200
500
1k
-10.0 2k
C
Ininfity Technical Data . . 8�35
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