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Super-Triode SE amplifier
Super-Triode SE amplifier
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Old 7th March 2018, 12:13 PM   #1
Tyimo is offline Tyimo  Hungary
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Default Super-Triode SE amplifier

Hi!

Would this amplifier work as it is on the Tube Cad schematic?
Single-Ended Amplifiers & Super-Triodes

What type should be the NPN transistor?

What kind of OPT need this circuit?

Greets:
Tyimo
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Old 7th March 2018, 01:35 PM   #2
Lingwendil is offline Lingwendil  United States
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Super-Triode SE amplifier
I experienced bias drift on the handful of these circuits i messed with, I wouldn't really recommend it unless you are prepared to go really deep into the rabbit hole to optimize it, Broskie goes further into discussion on it in later posts that may be helpful.
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Old 7th March 2018, 08:06 PM   #3
stocktrader200 is offline stocktrader200  Canada
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I used 6922 with 400v MJE13005 in a push pull config for 30w on 150 B+
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Old 8th March 2018, 10:28 AM   #4
Tyimo is offline Tyimo  Hungary
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Quote:
I experienced bias drift on the handful of these circuits i messed with, I wouldn't really recommend it unless you are prepared to go really deep into the rabbit hole to optimize it....
What a pity, because it seemed logical and simple.
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Old 8th March 2018, 11:12 AM   #5
KlausB is offline KlausB  Germany
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Hi Tyimo,

I did some calculations on SuperTriodes that can be found here.

new power amp

and I posted a real life amp here

SuperTriode with BJT and MosFet - a good idea?

Greetings

KlausB
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Old 8th March 2018, 02:06 PM   #6
Sodacose is offline Sodacose  United States
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Quote:
Originally Posted by stocktrader200 View Post
I used 6922 with 400v MJE13005 in a push pull config for 30w on 150 B+
Any updates on your project? Still using it?

I read through that thread/schematic a while ago when on a super triode bender.
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Old 8th March 2018, 05:34 PM   #7
Tyimo is offline Tyimo  Hungary
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Thanks KlausB!

Fantastic site!
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Old 15th March 2018, 08:08 PM   #8
KlausB is offline KlausB  Germany
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I am sorry, something went wrong with the link to my website.

Here is the correct link

new power amp intro

Cheers

KlausB
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Old 16th March 2018, 07:46 AM   #9
Tyimo is offline Tyimo  Hungary
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Thank you!!!
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