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Old 14th June 2010, 01:08 AM   #41
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Quote:
Originally Posted by CivicProtection View Post
I would like to see if it could be done.
It's pretty obvious that it 'could be' done. But not by you at your current stage of development.

If you were making some half-credible proposal as to how you intend to generate the HF AC required (i.e. a drawing of a circuit with a snowball's chance in hell of working) then doubtless someone here would tweak it into working for you. You evidently want the whole thing handed to you on a plate, however, and in such a fashion that you don't even have to make the effort of understanding how it works.

Maybe somebody here is sufficiently in need of the opportunity to show off to do that for you, but it ain't me babe.

w
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Old 14th June 2010, 05:41 AM   #42
star882 is offline star882  United States
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Some turboalternators might spin fast enough to output 35kHz, but I don't know where to get one. A few experimental PHEVs use them.
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Old 14th June 2010, 10:07 AM   #43
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Quote:
Originally Posted by wakibaki View Post
It's pretty obvious that it 'could be' done. But not by you at your current stage of development.

If you were making some half-credible proposal as to how you intend to generate the HF AC required (i.e. a drawing of a circuit with a snowball's chance in hell of working) then doubtless someone here would tweak it into working for you. You evidently want the whole thing handed to you on a plate, however, and in such a fashion that you don't even have to make the effort of understanding how it works.

Maybe somebody here is sufficiently in need of the opportunity to show off to do that for you, but it ain't me babe.

w
You "wakibaki; are out of line and over the top. I AM inexperienced at making HF circuitry but I would like to learn. THAT is why I am here. Duh! I don't want anything handed to me on a "plate". And certainly not by somebody abrasive and closed minded like you. For your information; I DID draw some diagrams, but I am too busy with having a REAL AKA non-internet life to instantly rush forward with diagrams as fast as you'd like. I also have other projects on the boil. Thanks for nothing.

Last edited by CivicProtection; 14th June 2010 at 10:13 AM.
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Old 27th February 2013, 09:11 AM   #44
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Hi reviving an old thread, was wondering if the high frequency ac required for a mag amp can be acquired from a smps if I were to tap it after the inverter section?
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Old 27th February 2013, 10:59 PM   #45
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I would like to see the E-books.
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Old 20th September 2016, 12:14 PM   #46
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Hello, civic protection, i am spanish too.
And i very interesting in this teme of mag-amp, amd i see this for construct my first mag-amplifier, this is can are one mono chanel, and i utiliti this for guitar purpose, this is the distortion not is transcendent.

I remember the similar adventure whit the more-less amp and speakers of the 800ohms, it is fixed, i go of new at other adventure, in this more interesting more participative work.

But its is very very divertitly ?

Jajaja sorry for my bad write english, i adventure at write whithout traducer aplicatión, good learning.

PD: hola civicproteccion yo soy de Madrid y estaría muy muy interesado en contactar contigo por correo o como sea para intercambiar info y logros en amplis magneticos y en amplis sin trafo de salida (moreless amp), gracias si puedes contacta conmigo, soy fmk en todos los foros de guitarra españoles, un cordial saludo. O contactame por privado.
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Old 23rd September 2016, 11:02 PM   #47
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Quote:
Originally Posted by CivicProtection View Post
To build my magnetic audio amplifier, I need a 12v AC source running at a frequency of 35Khz. The input into such a circuit would be stepped down 60hz line voltage at 12v AC.

I looked all over the net, and I couldn't find a good simple circuit. I have explored the possibility of building a tiny spark-gap Tesla coil tuned circuit, but I was hoping for something more conventional.

Any ideas?
35Khz is in the realm of induction heaters. If you looked up induction heater power supply designs you should be able to to find something in the 35Khz range that you might be able to adapt. Although it would probably be much higher current and voltage than what you need.
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Old 24th September 2016, 08:27 AM   #48
Pafi is offline Pafi  Hungary
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Quote:
Originally Posted by oughtsix View Post
35Khz is in the realm of induction heaters. If you looked up induction heater power supply designs you should be able to to find something in the 35Khz range that you might be able to adapt. Although it would probably be much higher current and voltage than what you need.
He already got a simple and good solution, he thanked, and suddenly he found out that it must not contain transistor. Changing transistor to triode would be possible, I dont know why not advised yet.

However from 2 triodes and 2 transformers a much better amp could be made, but here the main goal was to make it as impractical as possible. "Because it is neat."
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