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Old 19th July 2011, 09:21 PM   #11
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destroyer X's Avatar
 
Join Date: Feb 2004
Location: Recife - Brasil Northeast
Default Great Sandbasser..... i feel you are worried with a capacitor

And i perceive it can be this one here....others had the same question before

It is a tradition only...one day i had oscilations superimposed to the positive half wave in the Dx Blame ES amplifier... a very long time ago.... them i tried to stop it... oscilations where driven by high frequency burst of signals.... tones higher than 25 kilohertz, sometimes was driving the amplifier into oscilations..and a small burst of high frequency of 1 Megahertz was appearing into the positive half of the square wave inspected into the scope.... i could remove it using this small capacitor.... reason why it continue to be present in my amplifiers...it is a "just in case" capacitor... a cheap small ceramic unit.

Do not worry...do not harm...if you want you can remove it.

regards,

Carlos
Attached Images
File Type: jpg Is this one you wanna know.jpg (41.5 KB, 823 views)
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Dx Mark One - The lowest THD amplifier ever made! - LOADED
https://www.youtube.com/watch?v=OC3_AdPbLvc, Unbeatable Dx Mark One; https://www.youtube.com/watch?v=u4tGBiqMnzQ

Last edited by destroyer X; 19th July 2011 at 09:51 PM.
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Old 20th July 2011, 06:51 AM   #12
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Location: Portland, Oregon
Default Status of DX Blame MKIII Hx group buy

Things are moving!

I took a chance and ordered the boards yesterday (Tuesday). Ship date is August 2.
Cost/board is $16.99 not including shipping. Keep in mind that these are 10.5" boards which hold 5 pairs of transistors! I opened up a FedEx account yesterday so I can get slightly cheaper and easier shipping. Previously I said USPS. I changed my mind.

So far I have orders for 22 boards. Enclosed are the calculations used to arrive at $16.99/board. Also enclosed is the list of promised buyers. Soon, I'll add the confirmation sheet from the manufacturer with personal data blacked out as a PDF.

Instructions for buyers:
  1. Send me your shipping address in a PM and how many boards you want.
  2. I'll respond with the cost, including shipping, and my email address for PayPal. I have a day job, so I may not respond right away.
  3. Send me the money via PayPal. One has asked if he can send via Western Union and I said OK, but I prefer PayPal. You don't need to send money right away. But of course, I won't ship until I get the payment.
  4. Boards are expected to arrive at my house on or near August 2. I plan to ship from work, and FedEx shows up there every day, so shipping should be pretty fast.
  5. You build an awesome ROCK'N amplifier with the boards you get, and post photos in the gallery.
I know I'm taking a risk paying for the boards before I have promises to buy them all. My thinking is that even if I don't sell them all right away, the immediate availability of boards will bring instant-gratification types on "board" (no pun intended). Then after people start building and testifying how amazing this amp is, more people will want boards.
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File Type: jpg DX Blame MKIII buyers.JPG (13.3 KB, 807 views)
File Type: jpg DX Blame MKIII cost structure.JPG (11.5 KB, 796 views)

Last edited by ByronInPortland; 20th July 2011 at 06:59 AM.
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Old 20th July 2011, 07:41 AM   #13
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Location: Recife - Brasil Northeast
Default Well.... it continue to be cheap compared to other group buys we had in the past

In the future these circuits will have the value of relics ... not only mine but all the plates produced in small numbers within this DIY forum, they will be rarities, antiquities and treasures .... amplifiers are manufactured by the thousands .... we do 50 or less kits for each model series .. little gems for their rarity, precious by the fact that you built, which creates extra value for your descendants .. one day an amplifier may be worth a lot of money for your children and grandchildren because it will be part of DIY forums, audiophile designs, will be part of the history of audio ... I'm old ... within 10 or 20 years I will be with the angels (or demons) .. then it will be worth even more, then think about it a bit.

regards,

Carlos
__________________
Dx Mark One - The lowest THD amplifier ever made! - LOADED
https://www.youtube.com/watch?v=OC3_AdPbLvc, Unbeatable Dx Mark One; https://www.youtube.com/watch?v=u4tGBiqMnzQ
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Old 20th July 2011, 08:38 AM   #14
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Location: Recife - Brasil Northeast
Default The "replacement" word generates confusion...you see our group have not take off

yet...ask moderators (exclamation sign) to delete the word "replacement" dear Byron.

regards,

Carlos
__________________
Dx Mark One - The lowest THD amplifier ever made! - LOADED
https://www.youtube.com/watch?v=OC3_AdPbLvc, Unbeatable Dx Mark One; https://www.youtube.com/watch?v=u4tGBiqMnzQ
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Old 20th July 2011, 08:57 AM   #15
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Yes and delete the first one
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Old 20th July 2011, 09:51 AM   #16
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Join Date: Feb 2004
Location: Recife - Brasil Northeast
Default I have posted some advertisement about the Dx Corporation

and you can see them in the MKIII-Hx thread....here is the text:

Uncle charlie have not landed in this forum using a parachute..i have not arrive here yesterday.

I was here learning along 8 years (aprox).... and i had the best teacher someone can have...Mr. Hugh Dean from Aspen Amplifiers...the manufacturer of great AKSA amplifiers.... since i was 9 years old (51 years ago) i was building amplifiers..they used to explode as i had not knowledge enough to realise the circuit had mistakes.... i could not detect clear errors...i had not knowledge as a kid i was...but i have learned a lot..i have studied and the main advantage i had is that i have built more then 6300 amplifiers along these years...sometimes i build one and half amplifier each day...i always had time to do these things..we find time to the things we love.

Several amplifiers exploded.... more than 25 percent i think....but i have learned listening, tweaking and i have developed a science.... "force amplifiers to run.. how to do that"...also expertise in the production of Frankstein alike things..one part from Aksa, other circuit from other brand... and let they mix for sonics!

There's history.... several amplifiers built and shared in this forum...more than 600 builders and several group buys opened and 80 percent of them had more than 30 orders... some brazilian groups reached 100 orders...so..i have learned burning my fingertips.

The MKIII-Hx, is now a days the best one..the most modern ones and the result of all this long time research... you have the chance to have it...without any trick... it is cost price..the lowest price you can have for the quality offered...join us!..it is almost for free...give yourself a chance to be happy.

Of course you gonna have my support life long (well...some years more..i am old)

Link to the images posted in the MKIII-Hx thread:

Dx Blame MKIII Supercharged will soon be released


regards,

Carlos
__________________
Dx Mark One - The lowest THD amplifier ever made! - LOADED
https://www.youtube.com/watch?v=OC3_AdPbLvc, Unbeatable Dx Mark One; https://www.youtube.com/watch?v=u4tGBiqMnzQ
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Old 20th July 2011, 10:57 AM   #17
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Join Date: Feb 2004
Location: Recife - Brasil Northeast
Default Our prie is good...board is a giant one...the bigger the board the more expensive it

See the attached image...watch the price in Brazil for a much smaller boards...and ordered in groups of 100 units.

These blue boards are 17 centimeters long.

regards,

Carlos
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File Type: jpg Our price is good... Hx boards are huge.jpg (126.9 KB, 778 views)
__________________
Dx Mark One - The lowest THD amplifier ever made! - LOADED
https://www.youtube.com/watch?v=OC3_AdPbLvc, Unbeatable Dx Mark One; https://www.youtube.com/watch?v=u4tGBiqMnzQ
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Old 20th July 2011, 02:28 PM   #18
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Location: midwest
I'll want a stereo set as well....

Russellc
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Old 20th July 2011, 02:30 PM   #19
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Location: Recife - Brasil Northeast
Default I am sure you will not regret Russel

Thanks a lot....Byron works all day long...so, i am receiving friends giving them the welcome the deserve.

Welcome to the Dx Corporation Russel...the wide world biggest audiophile Union.

regards,

Carlos
__________________
Dx Mark One - The lowest THD amplifier ever made! - LOADED
https://www.youtube.com/watch?v=OC3_AdPbLvc, Unbeatable Dx Mark One; https://www.youtube.com/watch?v=u4tGBiqMnzQ
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Old 20th July 2011, 02:37 PM   #20
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Join Date: Feb 2004
Location: Recife - Brasil Northeast
Default There are more than 550 videos in my Youtube channel

And many of them are about amplifiers, including this one.

You all are invited to visit and please, subscribe:

‪destroyersoueu's Channel‬‏ - YouTube

The ones that does not know me, can have details about me there...i have made one video blog

regards,

Carlos
__________________
Dx Mark One - The lowest THD amplifier ever made! - LOADED
https://www.youtube.com/watch?v=OC3_AdPbLvc, Unbeatable Dx Mark One; https://www.youtube.com/watch?v=u4tGBiqMnzQ
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