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From my own "Imma see what they'll do" test..... 18 VDC will kill an Hg in about 5 good keys and about 3 two minute keys. Hell, 16 VDC is stressing the daylights out of them. Wattage increases? At 18 VDC I gained about 1.5 times the watts from 13.6 VDC. The hfe on the transistors went to crap. New they were about 49 after the 18 VDC.....6-8. They had less than 10 minutes on them. I'm not sure they'd even survive a 20 VDC hit.
The 100 watt DK is correct.....if you want them to last. A straight 4, 1x4 or 2x4 is a 100 watt DK.
Hgs are all we have so the days of beating the guts out of your box is over, unless of course your pocket are endless.

[QUOTE="144inBama, post: 822018, member: 58064"] From my own "Imma see what they'll do" test..... 18 VDC will kill an Hg in about 5 good keys and about 3 two minute keys. Hell, 16 VDC is stressing the daylights out of them. Wattage increases? At 18 VDC I gained about 1.5 times the watts from 13.6 VDC. The hfe on the transistors went to crap. New they were about 49 after the 18 VDC.....6-8. They had less than 10 minutes on them. I'm not sure they'd even survive a 20 VDC hit. The 100 watt DK is correct.....if you want them to last. A straight 4, 1x4 or 2x4 is a 100 watt DK. Hgs are all we have so the days of beating the guts out of your box is over, unless of course your pocket are endless. [/QUOTE]

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