Steven Marks Tube Power Supply

[BEP]

Hello all,

WOOOOW BEP, as so often, you hit the nail.

Otto

Yes, but as so often the nail is on my thumb!

It is not lighting lamps. It only sings weird sounds. Comparing the sounds to the soundtrack from all TPU videos mine are not even similar.

So, I am still lost 

[BEP]

That may infer  that inductance is not something useful here .

I'm sure inductance must be considered anywhere there is a coil. Where it would be most important is the inductive coupling between the moving core and the control coils on top of the complete overwrap coil around the MS cores (I do not consider this overwrap coil a control coil or the core a collector.)

In mine the overwrap is the magnetic return path, as found in MS actuators. The control coils go on top of that in segments.

Maybe this is why it just sings 

[pauldude000]

@BEP

How do you move air with a mag field, without it being ionized? (You would quickly notice that.)

The simple answer is that a mag field wouldn't.

Vibration would, but enough to make a TPU sing..... (You would EASILY notice vibration that strong.)

So, what is making your TPU sing?

Paul Andrulis

[BEP]

@BEP

How do you move air with a mag field, without it being ionized? (You would quickly notice that.)

The simple answer is that a mag field wouldn't.

Vibration would, but enough to make a TPU sing..... (You would EASILY notice vibration that strong.)

So, what is making your TPU sing?

Paul Andrulis

I'm not moving air with a mag field. As you point out I'm moving air with vibration of the MS core.
The method is basically 'poor transformer core design', but intentional.

The noisy transformer effect is usually avoided by understanding ETR. I thought if I could produce the same sounds as the TPU videos I would be closer to a solution.

Specifically:
Two magnetostrictive-regenerative feedback oscillators connected back to back as a complete multivibrator circuit. The frequencies are determined by the core material not the coil windings. Caps are only used to couple the two circuits into a multivibrator.

There are two separate MS cores of bailing wire (re-annealed by me). Each is only two turns around the circumference.

The vibration of each is weakly audible and not in perfect tune with the other. So, it makes a bit of a wah-wah sound.
I liken it more to the UFO sounds in 50's Sci-Fi movies.

There. I did it. I dated myself 

[giantkiller]

I'm not moving air with a mag field. As you point out I'm moving air with vibration of the MS core.
The method is basically 'poor transformer core design', but intentional.

The noisy transformer effect is usually avoided by understanding ETR. I thought if I could produce the same sounds as the TPU videos I would be closer to a solution.

Specifically:
Two magnetostrictive-regenerative feedback oscillators connected back to back as a complete multivibrator circuit. The frequencies are determined by the core material not the coil windings. Caps are only used to couple the two circuits into a multivibrator.

There are two separate MS cores of bailing wire (re-annealed by me). Each is only two turns around the circumference.

The vibration of each is weakly audible and not in perfect tune with the other. So, it makes a bit of a wah-wah sound.
I liken it more to the UFO sounds in 50's Sci-Fi movies.

There. I did it. I dated myself 

Put a football shaped neo mag on an inside edge. The mag field will treat the neo like speaker cone. Don't touch when it is vibrating.

--giantkiller.