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Analog Line Level Preamplifiers , Passive Pre-amps, Crossovers, etc.

The Kuartlotron - keantoken's simple error-correction superbuffer
The Kuartlotron - keantoken's simple error-correction superbuffer
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Old 29th September 2016, 12:12 AM   #721
bear is offline bear
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well maybe my computer is possessed?

That link brings you to the first post... and the link on the first post brings you to... the first post. <lost>

Wanted to mention that you might edit that text and put a date WRT the boards availability?

So, what's the deal, PM you or??
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Old 29th September 2016, 12:20 AM   #722
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Fwiw, post 695 is: POST 695

and appears on page 15 of my browser...

Still would like to know who is supplying the boards and pricing.
Is there a Group Buy thread?
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Old 29th September 2016, 12:29 AM   #723
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Ok, so no substitute for reading back a few pages: ORDERING INFO

Assume this still stands?
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Old 29th September 2016, 01:13 AM   #724
keantoken is offline keantoken  United States
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Post links have never quite worked right on this site...

I designed the current PCB. It's a mono 5x5cm board. Pricing is $3 shipping plus $8 per board. PM me your info. I will try to get something more convenient set up.

Construction and BOMs:

The Kuartlotron - keantoken's simple error-correction superbuffer
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Old 29th September 2016, 04:24 AM   #725
Destroyer OS is offline Destroyer OS  United States
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The Kuartlotron - keantoken's simple error-correction superbuffer
My browser bounces to the first page, then skips to the correct page and post. Maybe you're not waiting long enough? Maybe you're on that horse **** satellite internet so it takes forever?
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Old 29th September 2016, 04:33 AM   #726
keantoken is offline keantoken  United States
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I can truncate the link so that it takes everyone to the right page. The problem is, that only works when the link is not on the first page of the thread! The mind boggles. What a pain. Try it again, I did something else.
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Last edited by keantoken; 29th September 2016 at 04:35 AM.
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Old 29th September 2016, 05:55 AM   #727
danielwritesbac is offline danielwritesbac  United States
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Quote:
Originally Posted by BenY View Post
Why is it recommended to use the Fairchild transistors? What is wrong with the ON Semi ones?
OnSemi owns several fab plants, bought at different times, and situated at different locations. From vendors, it occurs that some are parts shipped at half-specs, and rather too often. This is especially inconvenient if you had expected matched pairs. I'm finding it unnecessary to say more on that.
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Old 29th September 2016, 07:18 AM   #728
luxury54 is offline luxury54  Romania
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guys I apologize for the stupid question, but where is this buffer reccomended to be placed at best? between the preamp and the final amp? between the analogue source and EQ/preamp?
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Old 29th September 2016, 07:37 AM   #729
nikosokey is online now nikosokey  Greece
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Also i have a few questions
When we have the need to put a buffer between source and amp?
my source has 0.1Ω output impedance and my amp 100ΚΩ its necessary the buffer?
The source with 0.1Ω output impedance should see a constant load ?
Can i put the pot after the buffer between buffer and amp lets say 10ΚΩ pot?
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Old 29th September 2016, 07:54 AM   #730
AndrewT is offline AndrewT  Scotland
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Quote:
Originally Posted by keantoken View Post
Post links have never quite worked right on this site...

I designed the current PCB. It's a mono 5x5cm board. Pricing is $3 shipping plus $8 per board. PM me your info. I will try to get something more convenient set up.
Post722 has a link that takes me to posts695
Here is the link

Construction and BOMs:

The Kuartlotron - keantoken's simple error-correction superbuffer
this link also took me to post695.

Then post696 suggests you add a link to post1. But that has still not been done !
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Last edited by AndrewT; 29th September 2016 at 08:03 AM.
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