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8th May 2003, 12:43 PM
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#1 |
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diyAudio Member
Join Date: Dec 2002
Location: Vietnam
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Krell KSA 100 schematic, resistor value question
Hi all,
Anybody have experience on DIY Krell KSA 100, please help me for a little. I just wanna know what is the reasonable value of the resistor in the cross distortion in attached schematic. (which is circled in red): 475 ohm, 4K7 or 4,7M ohm  Thanks in advance, Chinh. |
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8th May 2003, 12:50 PM
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#3 |
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diyAudio Member
Join Date: Apr 2003
Location: Copenhagen, Denmark
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Yes! 475 Ohm is the correct value
__________________
Free Schematic and Service Manual downloads www.audio-circuit.dk, Company: www.dupont-audio.com, Joint venture: www.DupontMantra.com |
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8th May 2003, 03:58 PM
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#5 | |
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diyAudio Member
Join Date: Jul 2002
Location: Ever sunny San Diego
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Quote:
__________________
Philip "If you didn't make it with your own two hands, its not really yours". |
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8th May 2003, 04:16 PM
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#6 | |
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diyAudio Member
Join Date: Jan 2002
Location: Sweden
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Quote:
However it seems funny to open a thread asking about a resistor that is clearly printed in the diagram...
__________________
UrSv Those who say it can't be done should not stop those who are doing it. |
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18th February 2004, 04:00 PM
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#7 | |
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diyAudio Member
Join Date: Nov 2003
Location: Indiana
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Quote:
Who cares  At least this way we get to see the "secret" Krell schematics... Pretty average looking if you ask me. by the way Blueman, if you have more Krell schematics, please feel free to post!  -K |
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18th February 2004, 10:36 PM
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#10 |
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diyAudio Member
Join Date: Nov 2003
Location: Indiana
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Based on the schematic. looks like 3 pairs of outputs. If it runs 100watts class-A into 8 ohms, i'd say the bias is as follows:
Total bias 2.5 amp per rail. Bias per device 0.84 (x3 devices for each cycle of push pull) . voltage across each emmitter resistor = 416.6mv. This amp will dissipate 235 watts per channel at idle. All this is based on the 100 watt class-A spec and the values on the schematic. Chocoholic and Millwood, did I make you proud? K-Amps |
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