Seeing EB kits strictly from a parts cost view is wrong IMO. They are not targeting the seasoned self design capable diyer. They give a top class alternative to someone who can only hold a soldering iron and a screw driver instead of buying kilo$ ready made gear. These are working as advertised, non buggy kits, from a guy who spent his life on the subject. Consider the value and the eye opening experience for a so called Hi-End customer. That is why they are sold pre-made too. Because the majority of audiophiles can't solder even. That is the reality. And very normal for that matter.
You cannot look at the parts cost only! If you have some contact with the real world you would know that.
Borbely¨s kits are very good. They sound excellent. Prices are good.
Try to design a kit and keep component stock and starage space, and then say how much money you earn because you do need a profit to give you a salory!
Sigurd
Borbely¨s kits are very good. They sound excellent. Prices are good.
Try to design a kit and keep component stock and starage space, and then say how much money you earn because you do need a profit to give you a salory!
Sigurd
Lumba Ogir said:
Lumba Ogir said:Jan,
I did say that by courtesy of Spinoza. (Ethica ordine geometrico demonstrata et in quinque parses distincta, Part 1, Addendum; Amsterdam, 1677).
The determinism of Spinoza and his clear cut separation of reason and emotion was a cornerstone for later Western relativism. He sadly spent too much time polishing lenses and inhaling fine glass debris I guess. He should have lived longer to maybe hint early on the importance of social imagination. Something that Castoriades only saw clearly in the late 20th century. He had data from 2 world wars, rise and fall of socialism, and global converging technology in his arsenal off course, that wasn't available in Spinoza's times.
salas said:
OT on/
Yes, he did inspire Descartes, but the irony is that both were in error, isn't it. You cannot separate reason and emotion, as both are inextricably (sp?) linked in a human being. There are even indications that our main driver is emotion, and that reason may be no more than a way to deceive ourselves.
OT off/
Jan Didden
@stoolpigeon: I like that one; IMHO it has some severe compromises however. To get near ground potential for Q5, Q7 P1 is heavy loaded (10k) and again smothered with 330R degeneration resistors. I don't see why one should waste a 389V for that; au contraire maybe a GR with reduced degeneration would be more applicable if one wants to benefit from this dual jfet at all. With this heavy degeneration you could also use matched 2SK170.
Thinking about it, one could probably also rework the Q5-Q6, Q7-Q8 outputs to a current source with follower to get rid of the output coupling cap.
In that case the heavy degeneration could also be dropped.
Basically all doable, it's just a matter of taste
Don't complain, you asked
But I guess your version will do also
Have fun, Hannes
Thinking about it, one could probably also rework the Q5-Q6, Q7-Q8 outputs to a current source with follower to get rid of the output coupling cap.
In that case the heavy degeneration could also be dropped.
Basically all doable, it's just a matter of taste
Don't complain, you asked
But I guess your version will do also
Have fun, Hannes
- Status
- This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button.