IXYS depletion MOSFETs: What are they good for? - Page 4 - diyAudio
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Old 30th October 2009, 06:42 PM   #31
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Quote:
Originally Posted by janneman View Post
BTW This transformer is sized for 1.3A DC bias so it is perfect for the IXYS SE amp as discussed here. Pout about 12W with 40-45VDC supply.

jd
What I would like to know is whether anybody is interested in pursuing this further. I just did this research because many here said they would be interested. That's OK, but if there is no real interest, I will cancel this project end of next week.

jd
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Old 30th October 2009, 07:56 PM   #32
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janneman ......

frankly - I'm interested in that same as in zillion other things ;

really interested , but always short in time ;

I have handy some old 100W 100V line xformers ..... and I'm curious can I try them .... maybe as parafeed for starters ....

anyway ......... as I said - I'm short in time , so - feel free to be the same regarding that project .

sit down and enjoy in music .... electronic isn't so much important
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Old 30th October 2009, 08:14 PM   #33
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Quote:
Originally Posted by Zen Mod View Post
janneman ......

frankly - I'm interested in that same as in zillion other things ;

really interested , but always short in time ;

I have handy some old 100W 100V line xformers ..... and I'm curious can I try them .... maybe as parafeed for starters ....

anyway ......... as I said - I'm short in time , so - feel free to be the same regarding that project .

sit down and enjoy in music .... electronic isn't so much important
Yes I know the feeling, so many projects, only 24hrs in a day

Have fun,

jd
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Old 30th October 2009, 08:20 PM   #34
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Quote:
Originally Posted by janneman View Post
What I would like to know is whether anybody is interested in pursuing this further. I just did this research because many here said they would be interested. That's OK, but if there is no real interest, I will cancel this project end of next week.
I'm in. I'm going to contact the guys in Las Vegas and see
what's up.

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Old 30th October 2009, 10:07 PM   #35
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I just had a nice talk with Jack Elliano at Electro-Print, and we
are putting something into motion.

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Old 30th October 2009, 10:29 PM   #36
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Another way to get rid of DC... Aleph work-alike on the flip side.

Spud, Schade, PP, Anti-triode ECL86

Not to mention plate to plate (or drain to drain) Triode emulation.
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Old 30th October 2009, 11:02 PM   #37
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Sometime in the past I had promised to show Nelson some folded
cascode abuse and never got back to it. Check out #77, folded on
top a pair of Aleph style CCS, DC balanced with Blumlein's Garter.
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Old 30th October 2009, 11:11 PM   #38
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Quote:
Originally Posted by Zen Mod View Post
I have handy some old 100W 100V line xformers ..... and I'm curious can I try them .... maybe as parafeed for starters ....
100W 8ohm => 3.5A
You could SE them with about 1A of bias. Bass will be lacking.

Or PP, use a mic trans to split the input, B+ on 4ohm tap and FETs on 16 ohm and common. Maybe call the CT earth, and supply the FETs B-. B- of 12V and 1A or so each side would suit a bunch of devices.

A couple of bias resistors and you're done. Quick and dirty
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Old 31st October 2009, 08:36 AM   #39
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Originally Posted by Nelson Pass View Post
I just had a nice talk with Jack Elliano at Electro-Print, and we
are putting something into motion.

Great! Looking forward to what you will come up with!
I'll close my loop to Jack.

jd
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Old 31st October 2009, 08:52 AM   #40
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Quote:
Originally Posted by thoglette View Post
100W 8ohm => 3.5A
You could SE them with about 1A of bias. Bass will be lacking.

Or PP, use a mic trans to split the input, B+ on 4ohm tap and FETs on 16 ohm and common. Maybe call the CT earth, and supply the FETs B-. B- of 12V and 1A or so each side would suit a bunch of devices.

A couple of bias resistors and you're done. Quick and dirty
tnx for thoughts ;
I forgot to say that these are matching xformers - between SS amp output and 100V line , so primary is pretty low ohmish , and sec is high ohmish ....

interesting - I never measured winding ratio

..... another thing to do ......
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Last edited by Zen Mod; 31st October 2009 at 08:59 AM.
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