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Old 9th December 2011, 12:32 PM   #1
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Default Power mosfet DIY topologies of tube ampli Single-ended

hi all
Im live in viet nam,I want to conjugate gently design acoustical circuit owing to me.
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Old 9th December 2011, 12:43 PM   #2
AndrewT is offline AndrewT  Scotland
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Q4 collector to GND?
Would it change performance if this collector were to -V?
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regards Andrew T.
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Old 11th December 2011, 09:57 AM   #3
ontoaba is offline ontoaba  Indonesia
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Hi, I live in indonesia.
With that choke, half DC voltage will dissipated to hot 4r7 resistor. You could use boost converter to supply V+ , instead of dissipate it with 4r7 resistor.
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Old 12th December 2011, 02:35 AM   #4
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Quote:
Originally Posted by ontoaba View Post
Hi, I live in indonesia.
With that choke, half DC voltage will dissipated to hot 4r7 resistor. You could use boost converter to supply V+ , instead of dissipate it with 4r7 resistor.
Hi my friend,
thank you for wiewing, you may notice 4r7 is actually 15w6ohm8. I will post demo kit now.

supply V+ 24 and V-24.
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Old 12th December 2011, 03:05 AM   #5
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choke and corner DIY of me.
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Old 12th December 2011, 07:05 AM   #6
ontoaba is offline ontoaba  Indonesia
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Choke is big. Nice choke.
Thanks for sharing.
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Old 12th December 2011, 10:32 AM   #7
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Quote:
Originally Posted by AndrewT View Post
Q4 collector to GND?
Would it change performance if this collector were to -V?
Hi my friend
you can see power supply is +24 and -24, Q4 collector to GND this ok.
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Old 12th December 2011, 10:34 AM   #8
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Originally Posted by ontoaba View Post
Choke is big. Nice choke.
Thanks for sharing.
thank you so much
make choke and OPT is my job, 30 year and 1 job
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