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Old 23rd April 2008, 11:50 AM   #1
davorin is offline davorin  Croatia
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Wink 300 KW tube audio amplifire-modulator

Hi! Here is some photos from 300KW audio-modulation PP-AB1 tube output from AM broadcasting transmitter ZadarSV1200. (2x600KW VF ClassD tube transmitters, plus 2x300KW audio-modulation tube outputs with 2 modulation transformers)
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File Type: jpg fil.transf. and sockets of mod.tubes from zadarsv1200.jpg (42.3 KB, 769 views)
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Old 23rd April 2008, 11:58 AM   #2
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Wow..that is big...have you got any more pictures?
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Old 23rd April 2008, 09:42 PM   #3
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Yes, but I don't know how attachment more than one picture!
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File Type: jpg mod.out.tubes from zadarsv1200.jpg (38.2 KB, 624 views)
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Old 23rd April 2008, 09:46 PM   #4
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Here is more!
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File Type: jpg mod.transf.zadarsv1200-2.jpg (39.7 KB, 568 views)
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Old 26th April 2008, 05:34 AM   #5
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C1 and C2 from HV-PS (CLC filter) have 6x24microF/25kV parallel each.
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File Type: jpg c1 and c2 from hv ps from zadarsv1200.jpg (41.4 KB, 447 views)
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Old 26th April 2008, 05:38 AM   #6
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HV rect. unit with 12 block (12 thyristor each bloch) for 12kV/120A.
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File Type: jpg hv rect. unit from hv ps from zadarsv1200-1.jpg (49.9 KB, 421 views)
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Old 26th April 2008, 05:40 AM   #7
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L from CLC filter of HV-PS (8,6H/120A)
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File Type: jpg l from clc hv-filter from zadarsv1200.jpg (42.9 KB, 400 views)
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Old 26th April 2008, 05:42 AM   #8
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Main HV transformer 1,6MW(Prim.:3x20kV/Sec.:3x10,6kV)
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File Type: jpg main hv transformer zadarsv1200.jpg (37.5 KB, 385 views)
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Old 26th April 2008, 05:44 AM   #9
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Left output tube.
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File Type: jpg left mod.out.tube from zadarsv1200.jpg (33.8 KB, 400 views)
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Old 26th April 2008, 05:53 AM   #10
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Filament transformer (Sec.:8,6V/860A) for left output tube and socket with parts of grid and screen socket connection.
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