OT: Using wallwarts as power transformers, and dropping vo..

[sir_modulus]

Anyone know a way to get 200VAC or around there WITHOUT a Tube power transformer. Like I mean with two wallwarts or something? If I have 300VAC, is it possible to drop it to 200VAC? I would really really thank someone who could help me out.

Thanks,

[petemoore]

Try a google search for 'voltage dividers'...
 I'm going the other way, searching for a voltage multiplier.

[R.G.]

Sigh.

Yes. From my post a few days ago - it's hard to beat two low voltage transformers back to back. Ideally, make the secondary voltage of both transformers be the filament voltage of the tube. Hook up the transformers as P:S=>S:P where P is the primary 120Vac winding and S is the secondary winding; using 12Vac works well with 12AX7's. Full wave rectify the output primary to about 170Vdc. You can double it to about 300Vdc if you like.