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Old 20th February 2013, 08:41 PM   #461
lineup is offline lineup  Sweden
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Version VSSA 1.4 is no doubt the De-Luxe version.
Anybody who likes to try should go for this: http://www.diyaudio.com/forums/solid...plifier-7.html
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Old 20th February 2013, 09:05 PM   #462
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Hi LC,

The major issu for common Diyboy with you puppie will be the resistors tunning as it handel to solder CMS with those electrolytics and 10µ so near...That's why i don't know if just after TSSA BIGBT HP il will go for your neat vssa or i go for my layout. The board is bigger (73*63mm) but tricky resistors are on solder side. I have pad to solder tunning trimmer that will be removed. According to V1.4 VAS are on main heatsink and TLVH431 is present.

Marc
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Old 21st February 2013, 05:19 PM   #463
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Subscribed for possible PCB production. I'd love to couple this with a tube preamp for a computer rig (since that's where all my good rips are).
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Old 23rd February 2013, 11:23 PM   #464
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L.C, as i previously noticed, your SSA link does not work (some people use to read the forum last message first) . This link would be better, i suppose:
http://www.diyaudio.com/forums/solid...l#post3298495:
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Old 24th February 2013, 01:25 AM   #465
meltman is offline meltman  United States
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Quote:
Originally Posted by MKHunt View Post
Subscribed for possible PCB production. I'd love to couple this with a tube preamp for a computer rig (since that's where all my good rips are).
Same here. This design is fantastic.
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Old 24th February 2013, 04:45 AM   #466
Salas is offline Salas  Greece
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Cat, how high a very good square this one can pass in SMD version?
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Old 24th February 2013, 01:30 PM   #467
Tyimo is offline Tyimo  Hungary
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How many Watts of output power has the VSSA (1.4) in class A mode?
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Old 24th February 2013, 03:08 PM   #468
dodo is offline dodo  Poland
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how cricital is CCS symetry and exact value ? , I would think to use j508/j509 current diodes , but tolerances of those are not good , 20% ,
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Old 24th February 2013, 03:29 PM   #469
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Thumbs up Any chance to use N-Channel Only?

Hello Andrej, great job, well done!

For a couple of years I have been looking for a simple current feedback topology with high BW and SR, and now I finally find it here. What is more, from your threads, I see a good heart as well as a very knowledgeble mind. This is truly something that I respect. By the way, your English is perfect to me!

There is no question I will build this amp. However, I have one question: is there any chance to use N-Channel only for the o/p? I have 200+ more IRF530s and some 2SK312/512s. But no 2SJ. And the ALF08NP is not obtainable to me. Also, I think it is not inexpensive at all to use K1058/J162 with your VSSA. That aside, your topology is almost perfect for DIY.

Thank you very much for bringing such a good design to the DIY community!
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Old 24th February 2013, 07:57 PM   #470
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Quote:
Originally Posted by MKHunt View Post
Subscribed for possible PCB production. I'd love to couple this with a tube preamp for a computer rig (since that's where all my good rips are).
Hi MKHunt

OK, VSSA will finally go into PCB and semiconductors as kit soon enough, will certainly make an announcement here.

Your source and tube pream seems good match for the purpose.
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