div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imagea href=https:reader043vdocumentsnetreader043viewer20220315165cfc8a5788c9931b0e8c0bc8html5page1jpg target=_blank img data-url=a-compact-3-400z-grounded-grid-a-standard-500-watt-unit-that-runs-cold-at-ahtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: A Compact 3-400Z Grounded Grid Amplifier · a standard 500-watt unit that runs cold at a kilo- watt cw or ssb The 50000-ohm resistor in the center tap of the filament transformer loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentsnetreader043viewer20220315165cfc8a5788c9931b0e8c0bc8html5thumbnails1jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imagea href=https:reader043vdocumentsnetreader043viewer20220315165cfc8a5788c9931b0e8c0bc8html5page2jpg target=_blank img data-url=a-compact-3-400z-grounded-grid-a-standard-500-watt-unit-that-runs-cold-at-ahtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: A Compact 3-400Z Grounded Grid Amplifier · a standard 500-watt unit that runs cold at a kilo- watt cw or ssb The 50000-ohm resistor in the center tap of the filament transformer loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentsnetreader043viewer20220315165cfc8a5788c9931b0e8c0bc8html5thumbnails2jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=3Page 3button div class=ts-imagea href=https:reader043vdocumentsnetreader043viewer20220315165cfc8a5788c9931b0e8c0bc8html5page3jpg target=_blank img data-url=a-compact-3-400z-grounded-grid-a-standard-500-watt-unit-that-runs-cold-at-ahtmlpage=3 data-page=3 class=ts-thumb lazyload alt=Page 3: A Compact 3-400Z Grounded Grid Amplifier · a standard 500-watt unit that runs cold at a kilo- watt cw or ssb The 50000-ohm resistor in the center tap of the filament transformer loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentsnetreader043viewer20220315165cfc8a5788c9931b0e8c0bc8html5thumbnails3jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=4Page 4button div class=ts-imagea href=https:reader043vdocumentsnetreader043viewer20220315165cfc8a5788c9931b0e8c0bc8html5page4jpg target=_blank img data-url=a-compact-3-400z-grounded-grid-a-standard-500-watt-unit-that-runs-cold-at-ahtmlpage=4 data-page=4 class=ts-thumb lazyload alt=Page 4: A Compact 3-400Z Grounded Grid Amplifier · a standard 500-watt unit that runs cold at a kilo- watt cw or ssb The 50000-ohm resistor in the center tap of the filament transformer loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentsnetreader043viewer20220315165cfc8a5788c9931b0e8c0bc8html5thumbnails4jpg width=140 height=200 adivdiv