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October 27, 2020, 07:13:19 AM

Author Topic: Build update  (Read 835 times)

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Offline Thermioniclife

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Re: Build update
« Reply #15 on: December 14, 2019, 04:47:45 PM »
Sorry Pb if I sounded argumentative on my last post it was not intended. It was my opinion only.
Lee R.

Online Paul Birkeland

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Re: Build update
« Reply #16 on: December 14, 2019, 04:52:16 PM »
Of course, not to worry.  I actually quite like the idea of polishing the panels, as you can polish out future scratches endlessly!
Paul "PB" Birkeland

Bottlehead Grunt & The Repro Man

Offline iamjanco

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Re: Build update
« Reply #17 on: December 19, 2019, 03:33:57 PM »
Gentlemen, we have glow (see the attachment). Had to tear the attenuators apart and fix an issue discovered during the resistance checks, but it seems to be in order now. Just basic voltage checks left now, bias adjustment, and should be good to go until actual listening tests occur.

My old eyes had trouble differentiating between clockwise and counterclockwise when I set the rotation up on the switches.

« Last Edit: December 19, 2019, 03:53:16 PM by iamjanco »
Jan (the Man) C.

Offline Thermioniclife

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Re: Build update
« Reply #18 on: December 20, 2019, 02:37:09 AM »
Hey Jan,
Looks great. Good luck on voltage check and listening.
Happy Holidays and New Year to you.
Lee R.

Offline iamjanco

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Re: Build update
« Reply #19 on: December 20, 2019, 11:29:10 AM »
Thanks, Lee, likewise to you  :)

Voltage checks and bias adjustments are now c/w:



Jan (the Man) C.

Online Paul Birkeland

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Re: Build update
« Reply #20 on: December 21, 2019, 06:13:05 AM »
It's always a good sign to see a build stretched out over a few days.  Taking your time greatly increases the odds of initial success.
Paul "PB" Birkeland

Bottlehead Grunt & The Repro Man

Offline iamjanco

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Re: Build update
« Reply #21 on: December 21, 2019, 06:41:13 AM »
Thanks, Paul!

Having great support also does wonders. For instance, via Google, I easily found an older thread you were involved with when I ran into the issue with the attenuator rotation stops being off in my case. The info you provided not only allowed me to narrow down the issue quickly, but also fix just as fast:

Jan (the Man) C.

Offline iamjanco

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Re: Build update
« Reply #22 on: January 21, 2020, 04:29:01 PM »
Hi folks, just an update here. Today was the first time I've actually been able to use the Mainline since building it. Works without a hitch, no problems noted whatsoever. Currently giving it its initial run through a set of Focal Clear Pros, and an RME ADI-2 Pro FS, using fairly inexpensive ICs (Mogami Pure Patches) and the unbalanced output.

Time to order some parts and start building additional cables.
Jan (the Man) C.