Ian bell wrote:
> David Gravereaux wrote:
>>
>> That's a push-pull arrangement. As the ripple is identical and both tubes
>> have
>> matched gain, the ripple noise cancels in the transformer.
>>
>
>
> Are you sure about that?
Yes.
> Each valve conducts for only half a cycle.
Not true. You forgot about the class-A range of overlap. 30% overlap isn't
uncommon. It's only at low output level where PSU ripple is a concern.
> It
> is like summing two single ended amps fed with anti-phase inputs. Each
> is still affected by ripple.
Yes, and they cancel in the transformer.
Is this topic done yet? I'm done with it.
--
"The dynamics of inter-being and mono logical imperatives in Dick and Jane :
A study in psychic transrelational gender modes". Academia, here I come.
-- Calvin
