by "Iain Churches" <IainNG@[EMAIL PROTECTED]
>
Apr 23, 2008 at 08:51 AM
"keithr" <keithr@[EMAIL PROTECTED]
> wrote in message
news:480e85c5$1@[EMAIL PROTECTED]
>
> "Iain Churches" <IainNG@[EMAIL PROTECTED]
> wrote in message
> news:EwpPj.340962$gP.255193@[EMAIL PROTECTED]
>>
>> This whole idea of the usefulness of current regulation
>> came to me when I was running a prototype amp
>> from a bench power supply, and noticed the huge
>> current drawn by the cold heaters.
>>
> Same as any hot piece of wire, it is the reason that incandescent light
> globes blow at switch on 99% of the time.
>
> If you feel that this is im****tant, then (assuming parallel feed) you
> either need a current limiter for each tube or a single voltage
regulator
> that ramps up the voltage over a second or two at switch on.
>
Hi Keith. I am not sure it is *that* im****tant. But I have some very
good but fragile Tesla KT88s which I would like to give the best
possible chance.
Regards
Iain
