FS 2SK170 2SJ74 matched sets - Page 6 - diyAudio
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Old 4th April 2013, 08:52 PM   #51
tony399 is offline tony399  United Kingdom
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By the way how do you do 'attached thumbnails'? I'm sure it's easy but I'm not very good with computers..
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Old 4th April 2013, 09:01 PM   #52
Salas is offline Salas  Greece
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Next to "post quick reply" there is "go advanced". Underneath the advanced reply space there is an "Additional Options" frame. There is a "Manage Attachments" button there. You will figure out its options.
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Old 4th April 2013, 09:55 PM   #53
tony399 is offline tony399  United Kingdom
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So, if this works, I made the mistake of putting the images in the body of the text.

I built a copy of Borbely Audio's mm/mc phonostage with Walt Jung super regs, very good but I don't use vinyl any more, I know..

Btw, Hannes (h_a) still has transistor sets for F5 builders which includes K170/J74 but he is away at the moment.
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Old 6th May 2013, 05:50 PM   #54
tony399 is offline tony399  United Kingdom
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Default Price list

I have been through the shortlist now and here is the list of available sets.
Prices include PayPal charges.
P&P will be 5 to most countries.
All sets will be remeasured to avoid any potential errors.
Special matching requirements can be done within reason.
You can contact me at tony399@gmail.com

Cheers,
Tony
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File Type: zip JFETS 2SK170 2SJ74 price list2.zip (22.9 KB, 218 views)
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Old 29th May 2013, 07:34 PM   #55
dre73 is offline dre73  Netherlands
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i can`t open the file....
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Old 29th May 2013, 10:20 PM   #56
tony399 is offline tony399  United Kingdom
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dre73,
Email me directly and I will send it to you as an unzipped attachment.
You will need Excel to open it though, if not I should be able to convert it to another format first.
Cheers,
Tony
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Old 6th June 2013, 10:23 PM   #57
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Are you selling the phono stage?
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Old 6th June 2013, 10:49 PM   #58
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So the price shown in the xls file is for how many jfets?
How many does a set have?
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Old 7th June 2013, 09:12 AM   #59
tony399 is offline tony399  United Kingdom
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Marc,
I wasn't planning to sell the phonostage, it is still in prototype form and has a couple of niggles - runs a bit on the warm side and suffers from quite high dc drifting on mc due to front end jfets not being thermally coupled (even though there is an integrator circuit). It is quite useful for me to keep as the building blocks are discrete opamps which can be reconfigured for other uses if I decide or I can just rob the matched jfets from it.

MASantos,
The sets are in highlighted groups and the prices are per group. The amount of jfets per group varies and are priced according to overall tolerance and quantity, see the grid to the right of the spreadsheet for an overview. The sold sets are highlighted in a lighter colour with 'sold' next to them, I will update the list soon.

Cheers,
Tony

Last edited by tony399; 7th June 2013 at 09:14 AM.
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Old 13th June 2013, 11:40 PM   #60
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Thanks Tony for helping me get the Idss match on the jfets for my F5 with the 5Ohm EUVL degeneration trick you taught me. It seems to have worked beautifully, as this amp is as close to perfection as I can imagine. Certainly the best I have ever heard. Anyway, you went beyond all expectations as a seller and taught me a valuable trick, and I can't commend you highly enough!

Lucas
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