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Krell KSA 100mkII Clone
Krell KSA 100mkII Clone
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Old 29th January 2010, 10:01 AM   #2431
AndrewT is offline AndrewT  Scotland
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yes +-42Vdc is OK.
You must change some resistor values and maybe the Zener values.
The currents in each of the devices must remain the same as when driven by +-52Vdc.
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Old 29th January 2010, 10:44 AM   #2432
samoloko is online now samoloko  Bulgaria
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thank you Andrew
great to hear It from expert
resistor values to change are 1 Ohm emitter resistors In output, right
what Is min voltage of rails needed In order not to change the zeners
would you please tell what are your amp specs
I still don't know what toroid to buy - I don't need 100 W at 8 Ohm and so much heat but want to be close to original amp
last question how this amp compares to Nelson Pass amps
I have build F5
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Old 29th January 2010, 11:17 AM   #2433
AndrewT is offline AndrewT  Scotland
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Quote:
Originally Posted by samoloko View Post
great to hear It from expert
I am no expert.
I think I am good at sorting the wheat from the chaff, but I get that wrong as well.
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Old 29th January 2010, 06:41 PM   #2434
samoloko is online now samoloko  Bulgaria
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Andrew
what about second part of my post
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Old 29th January 2010, 07:59 PM   #2435
a.wayne is offline a.wayne  United States
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^^ uhhh ,huh ...............................
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Old 3rd February 2010, 02:37 AM   #2436
wilsonaudio is offline wilsonaudio  United States
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hello anyboddy has schematics for power supply on projet krell ksa 100
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Old 3rd February 2010, 04:22 AM   #2437
neychi is offline neychi  Croatia
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Quote:
Originally Posted by wilsonaudio View Post
hello anyboddy has schematics for power supply on projet krell ksa 100
Here it is
Attached Files
File Type: pdf krell wirring.pdf (56.7 KB, 457 views)
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Old 4th February 2010, 12:35 AM   #2438
wilsonaudio is offline wilsonaudio  United States
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thanks neychi
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Old 4th February 2010, 09:06 AM   #2439
samoloko is online now samoloko  Bulgaria
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except Fix how many DIYers build that amp
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Old 4th February 2010, 09:37 AM   #2440
AndrewT is offline AndrewT  Scotland
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Andrew T did. But, could not achieve good sound and stability at the same time.

reports July & August 2007.
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Last edited by AndrewT; 4th February 2010 at 09:50 AM.
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