Alek,

?

Can I send you an email on this? I possibly would be interested in it, just need to talk to someone and see if we still need it or not.

?

Thanks

?

On Wed, Jan 15, 2025 at 08:17 PM, Alek Petkovic wrote:

Yes. I bought the complete WD7S kit years ago and then decided that it was much simpler to include the features that I wanted in my amp constructions without the board.?

I still have it here, as I bought it, complete and unmade. It definitely is a quality bit of gear but I don't need it.

73, Alek VK6APK.

On 16/01/2025 4:47 am, Jim VE7RF via groups.io wrote:

For simple GG triodes,? do u really require a triode control board ?? ?The step started HV supply, and step started? fil supply can be done? without the triode control board.? ?Ditto with grid and plate and cathode overload, soft key and anything else u can think of.? ?I looked at Ian's board eons ago, but it required a lot of mods to work with the bigger triodes.?

The WD7S? triode board did have a unique feature....... where if the B+ dropped below a set threshold, it kicked the amp offline.?

That was my fear if the HV fuse I have in series with the 50 ohm glitch resistor ever opened up.? ? With no B+....and drive applied? to any high mu? GG triode,? you will peg the grid meter? with very very? little drive applied.?

WD7S stated since his triode board already has grid over current protection, his ......" B+? below a set threshold"? ?feature is really not needed.?

I came up with my own version of grid over current protection.......and also a newer version in the last year... which I have not yet tested.? On paper, it should work good.?