Home Tube DIY Asylum

Do It Yourself (DIY) paradise for tube and SET project builders.

RE: Three ways to couple......

Jeff wrote:

"WORST : Cap Couple, tube has to power a cap !!

LESS WORSE : Transformer Couple, not too bad at all

BEST - by FAR : Direct Couple"

consider that when driving an IT your generator (the tube driving the primary) has to also charge the capacitances of the transformer as well as the tube must drive all of the losses (core and copper losses) of the transformer.

Measure the exciting current necessary to drive the IT you have in mind and then compare it to cap coupling (RC or LC).

And in direct coupling if the power supply is in series your front end tube must drive that reactive impedance.

I'm afraid that there is no fee lunch.

The "gods are not kind" to us :=)



Builder of MagneQuest & Peerless transformers since 1989

This post is made possible by the generous support of people like you and our sponsors:
  Parts Connexion  

Follow Ups Full Thread
Follow Ups
  • RE: Three ways to couple...... - mqracing 12:56:49 02/25/17 (0)


Post a Message!

Forgot Password?
Moniker (Username):
Password (Optional):
  Remember my Moniker & Password  (What's this?)    Eat Me
E-Mail (Optional):
Message:   (Posts are subject to Content Rules)
Optional Link URL:
Optional Link Title:
Optional Image URL:
Upload Image:
E-mail Replies:  Automagically notify you when someone responds.