Krell KSA 50 pcb - Page 361

jacco vermeulen · 5th August 2005, 08:56 PM

Can you think of a better birthday present, Mark ?

jajabin · 5th August 2005, 09:45 PM

Hi,

I am considering to join the kit group buy. However, my board is Jan's version, not pinkmouse's version. Are they using the same BOM?

Thanks
Wing

googler · 5th August 2005, 09:58 PM

Quote:

Originally posted by jajabin
Hi,

I am considering to join the kit group buy. However, my board is Jan's version, not pinkmouse's version. Are they using the same BOM?

Thanks
Wing

I believe that the BOM for the kit buy is from Jan's website www.delta-audio.com. It should be the same for both boards. PinkMouse had posted a BOM from his proto as well with some substitutions about 20 pages back.

~Brad

K-amps · 5th August 2005, 10:47 PM

Yes I beleieve Troy is using Jan's BOM.

Mark A. Gulbrandsen · 5th August 2005, 10:51 PM

I would only use Jan's BOM if you want to stay true to the original MK-2 design.

Mark

VT67 · 5th August 2005, 10:56 PM

jajabin

If you didn't found it already, here is Al's BOM.
Pinkmouse BOM

OK, in case some of you start missing me, I'm going to try to install my wireless network now.

Cheers

jajabin · 5th August 2005, 11:25 PM

Just compared both BOM.
They are pretty much the same.

Thank you guys

Wing

pinkmouse · 7th August 2005, 08:10 AM

Terry, glad you got sorted. It still seems really strange that the problem was with the PSU side, and yet only affected one channel. Still, I gave up trying to find logic in electronics failure a long time ago!

lgreen · 7th August 2005, 09:16 AM

We Have iginition.

Before I post a lot of pics ..... I just want to say thank you to Stewart and Jacco
for helping me with this tough project.
And also thanks to
everyone else including Terry for your comments, kind of forget who said what.

This project was not easy.

Right now, this is running about 20W class A in "low" bias mode
and slightly over 50W in "high" bias mode. Sound is great,
square wave response is awesome. Its 2:21 am and I've got
over 1200 songs left on the ipod! In "high" bias mode I get
about 63 degrees C on the output heat sinks, with the 2 fans
turned down so that they don't mae a lot of noise.

Man, setting bias is time consuming, I'm going to run down the
battery in my DMM. I've been running this since 12 and as things
heat up bias is unpredictable. I'm withing .01 V on bias between
channels but trying to do better

DC offset is .02 to .03 per channel, and I can't adjust this since in
my "chassis" a lot of stuff is not reachable.

pinkmouse · 7th August 2005, 09:22 AM

Very nice! More pics please.

5th August 2005, 08:56 PM	#3601
jacco vermeulen diyAudio Member Join Date: Oct 2004 Location: At the sea front, just under Rotterdam	Can you think of a better birthday present, Mark ? __________________ Looks like Sponge Bob has killed another thread.

5th August 2005, 10:56 PM	#3606
VT67 diyAudio Member Join Date: Jun 2004 Location: Belgium	jajabin If you didn't found it already, here is Al's BOM. Pinkmouse BOM OK, in case some of you start missing me, I'm going to try to install my wireless network now. Cheers __________________ VBITNGC Krell KSA-50 Krell KSA-100MkII

7th August 2005, 08:10 AM	#3608
pinkmouse diyAudio Moderator Join Date: Apr 2002 Location: Chatham, England	Terry, glad you got sorted. It still seems really strange that the problem was with the PSU side, and yet only affected one channel. Still, I gave up trying to find logic in electronics failure a long time ago! __________________ Al I conceive of nothing, in religion, science or philosophy, that is more than the proper thing to wear, for a while. Charles Fort

7th August 2005, 09:16 AM	#3609
lgreen diyAudio Member Join Date: May 2003 Location: San Diego, USA	Krell Clone Activated We Have iginition. Before I post a lot of pics ..... I just want to say thank you to Stewart and Jacco for helping me with this tough project. And also thanks to everyone else including Terry for your comments, kind of forget who said what. This project was not easy. Right now, this is running about 20W class A in "low" bias mode and slightly over 50W in "high" bias mode. Sound is great, square wave response is awesome. Its 2:21 am and I've got over 1200 songs left on the ipod! In "high" bias mode I get about 63 degrees C on the output heat sinks, with the 2 fans turned down so that they don't mae a lot of noise. Man, setting bias is time consuming, I'm going to run down the battery in my DMM. I've been running this since 12 and as things heat up bias is unpredictable. I'm withing .01 V on bias between channels but trying to do better DC offset is .02 to .03 per channel, and I can't adjust this since in my "chassis" a lot of stuff is not reachable.

7th August 2005, 09:22 AM	#3610
pinkmouse diyAudio Moderator Join Date: Apr 2002 Location: Chatham, England	Very nice! More pics please. __________________ Al I conceive of nothing, in religion, science or philosophy, that is more than the proper thing to wear, for a while. Charles Fort


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5th August 2005, 09:45 PM	#3602
jajabin diyAudio Member Join Date: Jun 2004 Location: CA	Hi, I am considering to join the kit group buy. However, my board is Jan's version, not pinkmouse's version. Are they using the same BOM? Thanks Wing

5th August 2005, 10:47 PM	#3604
K-amps diyAudio Member Join Date: Nov 2003 Location: Indiana	Yes I beleieve Troy is using Jan's BOM.

5th August 2005, 10:51 PM	#3605
Mark A. Gulbrandsen diyAudio Member Join Date: Sep 2001 Location: Salt Lake City	I would only use Jan's BOM if you want to stay true to the original MK-2 design. Mark

5th August 2005, 11:25 PM	#3607
jajabin diyAudio Member Join Date: Jun 2004 Location: CA	Just compared both BOM. They are pretty much the same. Thank you guys Wing

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