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Old 24th October 2005, 11:16 AM   #1
drobert is offline drobert  Hungary
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Default I look for EAR 859 pictures.

Hello,

I look for any inside, outside pictures about EAR859 amplifier.

Please, if you have any pictures about this amplifier send to me!

Thanks

drobert
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Old 24th October 2005, 05:42 PM   #2
edl is offline edl  Hungary
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Dear Drobert,

A small photo attached, maybe it helps you.

Regards,
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Old 27th October 2005, 11:59 AM   #3
drobert is offline drobert  Hungary
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It's very nice, but I would a lief look for a inside picture about this amplifier.

Thanks

drobert
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Old 7th April 2010, 11:18 AM   #4
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Old 15th February 2013, 12:27 PM   #5
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Default Picture with better resolution

Hi,

Could you provide me a picture inside EAR 859 or 869 in better resolution (at least 2 MP)

Tnx
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Old 17th February 2013, 11:10 AM   #6
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Can't remember where I found that pic.Click the image to open in full size. this is all I have in my "archives"

Verstuurd van mijn GT-N7000 met Tapatalk
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Old 17th February 2013, 12:48 PM   #7
SY is offline SY  United States
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Tim drew out the first stage of this and I thought, "That looks absolutely goofy." Current trickled though an ECC88 cascode? But when I breadboarded and tested it, it turned out to work superbly well. This would be a fine input stage for any power amp where it can be buffered.
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Old 18th February 2013, 05:55 AM   #8
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Default Question for SY

Hi Sy,
its nice to hear good things about TdeP's design.
I have built the amp though I have changed the CF to a cascoded fet source follower, and played around with plate to plate feedback.
Do you have any thoughts about the pros and cons of the level shifting (is that the correct term) scheme between the cascode and the CF?
I would guess that a similar design could be used for other zero bias tubes such as the 811a. Any thoughts?
best regards,
tim (a different tim)
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