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F5 Listening Impressions & Discussion
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Old 7th December 2009, 08:06 PM   #81
smyslow is offline smyslow  Europe
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umut1001,

I'm sure, you can use Patrick's design with +/-24V rails, too. Just set the bias current to a lower value (max heatsink temperature 55deg or so). You will not be disappointed.

Uwe
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Old 8th December 2009, 04:48 AM   #82
EUVL is offline EUVL  Europe
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Ideally you should use 0R47 source resistors (instead of 0R22) for +/-24V 1.3A bias. It is not the optimum for the balanced configuration (not enough current), but it will work.


Patrick
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Old 8th December 2009, 07:37 AM   #83
umut1001 is offline umut1001  Turkey
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Do you have unbalanced schematic idea?Is there any ideal schematic for 2sk1530/2sj201.I dont have balanced soundcard.
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Old 8th December 2009, 08:31 AM   #84
Zen Mod is offline Zen Mod  Serbia
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F5 Listening Impressions & Discussion
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Do you have unbalanced schematic idea?Is there any ideal schematic for 2sk1530/2sj201.I dont have balanced soundcard.
use standard F5 schematic , just add another pair of outputs , along with their gate and source resistors .
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Old 8th December 2009, 08:33 AM   #85
umut1001 is offline umut1001  Turkey
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any change in feedback resistors ?
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Old 8th December 2009, 08:40 AM   #86
juma is online now juma  Germany
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Quote:
Originally Posted by umut1001 View Post
any change in feedback resistors ?
Do you want to change the gain?
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Old 8th December 2009, 08:43 AM   #87
umut1001 is offline umut1001  Turkey
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I need power as much as possible for my nokia german 18cm 89db 4ohm speakers
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Old 8th December 2009, 09:10 AM   #88
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I need power as much as possible for my nokia german 18cm 89db 4ohm speakers
you'll have unusual 50Watts
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Old 8th December 2009, 09:14 AM   #89
umut1001 is offline umut1001  Turkey
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I need unusual class a watts
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Old 8th December 2009, 09:27 AM   #90
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I need unusual class a watts
then stop thinkin' - go and build

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