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KMG SS Poweramps

Started by THChrist, December 28, 2010, 11:02:15 PM

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THChrist

Are you planning on selling these?

Quote from: KMG on October 26, 2012, 07:15:33 AM
I got ordered PCB's for
Micro fet PA with speaker simulator

& mini mixer for it


joecool85

Life is what you make it.
Still rockin' the Dean Markley K-20X
thatraymond.com

THChrist

I have a question [raises hand]
how can you make(using LND150's) a shared-cathode stage like a superbass?

KMG

QuoteAre you planning on selling these?
Only as part of complete devices.



Quotehow can you make(using LND150's) a shared-cathode stage like a superbass?
I don't see problems. Only careful selection of the values in source network (& maybe biasing of this network).

THChrist

Quote from: KMG on November 04, 2012, 01:28:17 PM
QuoteAre you planning on selling these?
Only as part of complete devices.



Quotehow can you make(using LND150's) a shared-cathode stage like a superbass?
I don't see problems. Only careful selection of the values in source network (& maybe biasing of this network).

but in what point i can do the "shared cathode" thing? between the diode and Rk?

joecool85

Quote from: KMG on November 04, 2012, 01:28:17 PM
QuoteAre you planning on selling these?
Only as part of complete devices.

Let us know when you start selling them, I'll be sure to add some links on the site and on my personal blog.  Plus I might buy one...
Life is what you make it.
Still rockin' the Dean Markley K-20X
thatraymond.com

KMG

Quotebut in what point i can do the "shared cathode" thing? between the diode and Rk?
Something like this

THChrist

#112
Ok, i got it. thank you! (BTW, would you send your amps to Peru?)

Quote from: KMG on November 06, 2012, 02:13:13 PM
Quotebut in what point i can do the "shared cathode" thing? between the diode and Rk?
Something like this

THChrist

BTW, will you make some of these?

KMG

Some time ago I found very interesting MOSFETS IXTP01N100D.
http://ixapps.ixys.com/DataSheet/DS98809C%28IXTP-U-Y01N100D%29.pdf
1kV of the drain voltage, 25W power dissipation. That allows to use them with standard transformers for tube amplifiers.
I already received ten of them from arrow electronics.
Now I'm waiting for the ordered transformer http://www.classictone.net/40-18045.pdf to start testing.


THChrist

Hey! Any news about those transistors?

greenm01

Quote from: KMG on May 31, 2013, 09:29:03 AMNow I'm waiting for the ordered transformer http://www.classictone.net/40-18045.pdf to start testing.

Hi Mike,

Would these be suitable transformers for your 5W FET amp?

http://www.classictone.net/40-18030.html
or
http://www.classictone.net/40-18031.html

/MAG

KMG

#117
QuoteHey! Any news about those transistors?
Not yet, I'm very busy now by official job.
QuoteHi Mike,

Would these be suitable transformers for your 5W FET amp?

http://www.classictone.net/40-18030.html
or
http://www.classictone.net/40-18031.html
I don't tried SE transformer FET PA.

file1

Dear All,

I want to build 90W PA version , but I have a huge problem with output transformer. Plase could somebody provide me some more information about it? Link on internet where it could be bought also can be usefull. Does it someone tried to build it with EI core and could provide parameters for 90W version?  Which type of tpk-190, exactly could be used for rewinding ? Thank you in advance, Igor

Katoda

I think there is no way around winding the transformer for yourself. I built the 40 W version of it, and it is quite big with the windings and all. Just be careful to get a big enough core. All of the data is on the KMG site, I believe.