Agression

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Folks,
you want to see aggressive?
Check out Fred at his best in the last two pages of the Aleph_X thread!

Fred's on a mission, it seems, to have Grey permanently leave this forum. What I see here is a deliberate, persistent agenda of frustrating a VERY valuable member of this forum. I wonder where the moderation team stands on this issue, because the issue is very real IMHO.
 
GRollins said:

Horowitz & Hill present a nifty current source for those who want a really high performance circuit. There are scads and scads of other current sources out there; the one known locally as the 'HH' isn't really new at all. You can find a number of variations on it if you look around...as well as many, many others. You can make a current sources a life-long obsession if you want. I used to collect current source schematics until I found this really neat one, printed it off, then leafed back through all the others I had and discovered that I'd already 'found' it twice before. <i>Ahem.</i> After that, I figured I'd be better off obsessing about something else.

Grey

This is the very second Grey's post in Aleph X thread after he returned. Don't you think that he could spare himself a chance for picking on HH CCS.

Many members, including myself, are using that configuaration, without questioning if Fred designed it himself or not. I believe it's his and if you are using it too, you should be grateful that Fred decided to post it.

Grataku,

Why don't you leave them alone (Fred and Grey), because as long as they have something to argue about, they will probably do. I have respect for both of them, they are very valuable members and I will not openly take anybody's side. If they are mature enough, they will eventually realise that if they have differences, they can discuss it in private, without polluting Aleph thread and spoiling our fun of building Aleph X.😉
 
Peter Daniel said:


This is the very second Grey's post in Aleph X thread after he returned. Don't you think that he could spare himself a chance for picking on HH CCS.

I think Fred has had more than enough rebuttal to that.
In a peer review is perfectly legitimate to question the originality of one's idea, not so to question the peer knowledge of the subject or the amount of time one should spend studying the subject matter before submitting for review or any other personal attacks.

Many members, including myself, are using that configuaration, without questioning if Fred designed it himself or not. I believe it's his and if you are using it too, you should be greatful that Fred decided to post it.

I never questioned that Fred CCS is Fred CCS I don't know enough about it. Actually I am not using anyone's CCS, it's a hybrid CS that is half way in between, known (to myself) as "MY CCS" it seems to work for me.

Why don't you leave them alone (Fred and Grey),

good suggestion

because as long as they have a something to argue about, they will probably do. I have respect for both of them, they are very valuable members and I will not openly take anybody's side.

I take the side of whoever I think is right at a particular time and that is subject to change. I try not to play favorites.
 
Taking side

I take the side of whoever I think is right at a particular time and that is subject to change. I try not to play favorites.

It's hard not to, but in this forum, it should really not be a subject, as it should be about our hobby, lifestyle, and about free advice. (And a "show-off" once in a while).
Anf if a few members just woud say: in my opinion after some of their statements, maybe others would respect their opinions?

Arne K


The world is flat! (but it is round).
 
Grataku,

Yes, everyone loves Grey but unfortunately he has made several mistakes. He has set himself up as an expert and should be open to criticism. This is not to say that he is not a valuable member of this fourm.

Fred on the other hand has the credientials and expertise to run circles around most of us. If you research and implement some of his ideas you will probably learn a lot. On the other hand you might not like his frankness but this is a small price to pay to learn some thing that is of practical use.

Jam
 
Take One:
Reasons for aggression vary widely. I've noticed that there's a tendency in certain circles to lump all 'aggressive' posters into one group. The implication then becomes that they are all motivated by the same impulse and can all be dealt with in the same manner.
Not so.
Take Two:
I grew frustrated with the limitations I faced when I was Moderator. Some of it was purely a question of quantity; I could no longer read every single post in every single thread. Not being able to be everywhere, all the time (and there being only the one Moderator in those days, i.e. me), I got woefully behind on who was saying what to whom. There were other factors as well, including, but not limited to, the inability to actually <i>do</i> anything about miscreants.
For instance, there was a fellow who was acting like a complete horse's rump one evening; claimed he had developed the best circuit since sliced bread, but wouldn't let anyone see it. He started a thread just to stroke his own ego and crow about how brilliant he was, but that was about all there was to it, really. If his story was to be believed, he had an article coming in some magazine that would describe the circuit in detail. Assuming that the contract he had with the publisher of the magazine read anything like the contracts I sign for my stories, he <i>couldn't</i> say anything. By law. The contract would have language to the effect that the article/story in question could not appear anywhere else until publication and, indeed, not until some arbitrary number of months after publication. The publisher--reasonably--wants to be assured that they have the rights to what they bought long enough that people will buy the issue it's in. That's how they stay in business. If people could have gotten the circuit here, for example, they wouldn't buy the magazine. So all this guy was doing was preening when he began a thread touting a circuit he couldn't publish--at least not here. That would be annoying enough, but any time a member posted asking about the circuit, he'd say something to the effect that they wouldn't be able to understand it anyway, because it was so far above their heads because he was so brilliant and they were lowlife.
And I was powerless to do anything about it.
After going through that incident and a few others like it, I made up my mind that being the Moderator was a figurehead position and I'd had about enough of it.
Nowadays, the Moderators have the power to actually do something if they take a notion to.
Their response to aggressive posters? I can see both sides--from having been both a member and Moderator--but I will go so far as to say that I tried (within the limitations I faced) to keep the place more civil than it is now.
*****
Regarding current sources: Please go back and look at schematics for old tube circuits. A current source driving a voltage reference driving a pass element is nothing new.
Don't misquote me--I'm not saying that it doesn't work--it does, and works well. But new? Nah. Choosing new parts for an old topology doesn't make it new. If I use tubes to build an Aleph (yes, it can be done), that doesn't make it a new circuit. It's still Nelson's Aleph circuit, and I'd be the last to claim otherwise. Mind you, in today's intellectual property climate, you could probably get a patent on something like that if Nelson didn't explicitly mention the possibility of tubes in his patent (I think he did, but I'm at work and can't check easily), but that doesn't change the fact that it's still just a variation on Nelson's theme.
The current source I used in the Aleph-X is nothing more than a variable version of the one that Nelson used in the Alephs. I don't claim that it's new. I would be surprised if Nelson claimed that it was 'his' in any sense other than it being the one he selected out of about eighty trillion possible ways to do the job. It's just a simple, effective current source. I doubt if he minds if you modify an Aleph by putting in another current source, and I certainly don't mind if people change the current source in the Aleph-X. It's only 'my' current source in the sense that I selected a resistor triplet layout to vary the current and calculated the values of resistors to give it a few percent of variation. Anyone who wants to use just a pot has my blessing (though I think you'll find it a bit twitchy). Ditto for the most complicated, sophisticated, laboratory grade current source out there. If current sources are your thing, then have at it. I don't think it's worth sweating about--on a scale of one to ten, it's about a one to me if someone wants to use another current source.
Maybe if I used horns, I'd be more interested, but I don't get a lot of noise and the differential serves well as a phase splitter, so I'm happy with it.
Or, to put it another way, ain't nothin' new under the sun. At least not in that arena.
I find it an interesting barometer of peoples' personalities when they manage to invest the topic with such emotion. Gee, guys, save it for something important, like cable direction, or tubes vs. transistors, or...

Grey
 
Everything is not what it seems!

Grey,

It is true that for the most part there is nothing new in circuit topology, except for some exceptional thinking that went into some of Mr.Pass's designs.

We use variations of designs that have been around for years but to dismiss a varation of a design because it has a similar topology is wrong. An incorrect implementation of a fimilar topology can destroy the sound of a perfectly good design, but to dismiss a variation of a concept or design because it is similar.......

For one, have you tried the HH current source? Have you measured its performance? Have you listened to it and compared it to the original?

I have and it works for me, I have tried more complex current sources that should measure better but hurt the sound, Before dismissing an idea or implementation of an idea beacause it looks similar maybe we should try it first, then report the results.

A current source can also be a current limiter in certain cases, a reason that some people miss and then proclaim - All current sources are bad-

Jam

P.S.Does Fred intimidate you? Your best defense is to challange him on the issues. Build his designs and if you do not agree with him put him to task with measurements or listening comparisons, vague blanket statement don't work.
 
Jam, please re-read my previous post. I don't particularly "love" Grey or "hate" Fred, and I don't question their intellingence and understanding of the subject matter.

Fred made an excellent point that we should expect the best from the brightest people here, that not only involves being right but also being able to make a clear and complete presentation of the topic.

Please read the Grey post and the following Fred assumptions reply a couple of times over. If I was to base my understanding of the subject, summary mind you, on what they were both talking about, I'd have no clue. The point is that maybe the 3 paragraphs in Fred's assumptions post could have been better spent in developing the reasoning behind the why the P mosfet differential cascode with low drain resistors has low gain, or maybe pointing at literature references where the topic is discussed. He's the scholar after all.

That's my last word on the subject.
 
Intimidated by Fred? Good grief, no. I had the misfortune to grow up with someone like him. I got past the intimidation stage when I was about twelve or so. When I was younger, I tried to placate such folk. It doesn't work. They don't like people like me no matter what I say or do. Words of protest to the contrary are just smoke screen. I put up with it for a while, then fight back when I get tired of the attitude problem, or depart--it ain't worth the nonsense, and this site doesn't need the strife. There's more than enough going wrong here without that.
You and I have jousted about current sources before. Doesn't bother me if it doesn't bother you. For what it's worth, about two thirds of the variations on X-preamps I'm working on have multiple current sources. Nearly all have one.
(I figured you'd like that part.)
I haven't built the 'HH' current source for the same reason that I haven't built 98% of the other current sources out there. Time. One of these days I'll get around to it. Looking at it, I see no reason that it shouldn't work, and as I said above, work well. After all, it worked in the past. I regard it as a proven design. Anyone who feels that they want to use it in the Aleph-X can do so. Or am I repeating myself?
It's not quite accurate to say that I 'dismiss' the circuit, but that'd be splitting hairs and I've had a long day. (Will somebody <i>please</i> come do this confounded sheetrock work for me? I <i>hate</i> mud & tape! The curse of being a DIYer...gotta do it myself rather than pay to have it done.)
This leads me to an interesting point. Can someone enlighten me as to which post gave the impression that I thought the 'HH' current source wouldn't work...in the Aleph-X, or in any other circuit? I think words are being put into my mouth due to personality differences between Fred and me. What I don't recall saying is that a current source of that nature wouldn't work (or sound good vs. another circuit--sometimes you just need a current source, regardless of what sort). What I do recall saying is that people were welcome to substititute current sources (which I reiterated above) into the Aleph-X. The requirements are simple: about 20mA, and variable over a limited range. Use any design you like. I just kinda grandfathered in the one Nelson had been using so that the Mini-A--and later the Aleph-X--would look more familiar. They'd be able to get their footing faster if they didn't have to sort out a whole bunch of oddities that didn't look like the original Alephs.
Back to your and my perpetual debate about current sources: I think my objection to at least some designs stems from bandwidth problems, not compliance. Or, shall we say, frequency-related compliance problems.

Grey
 
Grey,

Nothing would give me greater pleasure than proving Fred wrong once in a while.

Both you and he have contributed a lot to this forum and maybe it is time that you both came to an understanding and and harnessed your energies for our benefit ( A water cooled, led biased current source, perhaps?....Sorry I could not resist), or does inovation come out of confrontation?

You have started one of... No, the best thread in this forum and with Fred's input could come out with something special......we seem to be well on our way, who would have thought that we would have pc boards and a host of varations on the Aleph-X design and maybe we could even prod Mr.Pass into producing the Aleph-X kit, for those of us that don't have Peter Daniel's fabrication skills.

So guys its time for a:grouphug:

Jam

P.S. I still say current sources rule and if you show up in Vegas I would also like to buy you dinner and if not, head down to South Carolina for a beer.
 
The stranger stepped from the saloon into the street, stopped, and looked up at the sign on the wall above his head. The lettering was faded, but legible: Pass Saloon. He nodded to himself. Better than average watering hole. Have to remember to stop by the next time he came this way.
He squinted down the street, past the general store and the blacksmith's place. The sun pounded the dusty street like a drunk beating his wife--without mercy or remorse. Townspeople hurried from shade to shade, as though trying not to acknowledge the shame of the beating in their midst. High noon heat rose in shimmers from the barren wastes beyond the buildings.
The stranger grimaced and turned to go the other way--towards the mountains. Not only was it cooler there, but water could be found and some said there was gold. He'd found gold in the past. With luck, he'd be able to find more this time. He tipped his hat to a pretty young thing crossing his path and started down the street.
Then stopped.
It was the EE Kid.
The EE Kid had been gunning for him for...it seemed like forever. Dogging him from town to town, lying in ambush in narrow defiles, and now waiting for him at the end of the street in a little place called DIYtown.
The stranger glanced sideways--both ways--checking to see if innocent bystanders might get hurt. Good. At least the young thing had made it into the comparative safety of the shop across the street. Then he looked back at the EE Kid. Seemed like the Kid was packing enough firepower to take on the entire town: simulators, books, and supposedly even a piece of parchment with the letters EE inscribed on it, though no one he'd met had ever actually seen it. There was one thing you could say about the Kid, he travelled heavy. The stranger shook his head. He pitied the Kid's horse, having to carry all that weight.
Ah, well, best to get it over with.
The stranger took a deep breath and threw the corner of his sarape over his shoulder. His hand was poised over the grip of his weapon.
The Kid moved like lightning, pulling his simulator.
But the stranger was faster still, pulling his prototype...
And when the smoke cleared the Kid was still standing--
and so was the stranger.
"<i>What?</i>" the sheriff yelled angrily, running out of the widow's place with his hair and clothes disarranged. "What the hell went wrong? Everybody knows that only one walks away from a shootout. What's this I see? <i>Both</i> of you still standing?"

*****

Jam,
It ain't about facts. It's about emotion. Want proof? Read the first little bit of the Aleph-X thread. I opened the thread, posting the schematic. If I recall correctly, you posted within minutes. Then I think post number three was Fred (he was Harry then, wasn't he? I get confused). He criticized the lack of a cap around the Aleph current source NPN and away we went. On and on for pages. Simulations, theory, textbook this-and-that. Yak, yak, yak. But the point is...he wasn't interested in facts. A functioning prototype carried no weight. It will always be thus. If I let him dictate how I spend my days, I will never get anything done. I'd always be running in circles trying to meet his latest criticism. It's a control ploy and I cannot win.
I choose not to go along, that's all. Life's too short.

*****

The stranger looked at the sheriff, the Kid, and the townspeople coming out to see what all the fuss was about. Then he looked to the mountains beyond. Gold? Maybe. But an X-preamp would be even better still.
He threw his leg over his trusty steed, Aleph, and rode slowly out of town. And with every step the horse took, the mountains were that much nearer...

Grey
 
And then the stranger suddenly woke up. He looked around, the street was quiet and the afternoon sun was glazing through the windows. He shrugged and smiled to himself with relief. It was only a dream and the tricks his imagination played on him. The Pass Saloon was still open, so he went inside. The EE Kid stood there, smiling. Hesitantly, the stranger approached, starring straight into Kid's eyes. There was a silence around and everybody waited with tension. Suddenly the stranger spat on the floor, smiled and said: "I don't give a **** about you anymore, let's have fun"😉 They both smiled and went into the opposite corners. They knew they couldn't shake hands, but at least everybody in the saloon was happy again, including the owner. The stranger's corner was crowded as he pulled out his new preamp. The EE Kid looked from a side feeling a bit lonely, yet smiling to himself: "What do these amateurs really know, but I'm too tired to give a **** " and ordered a round for everybody.😉
 
jean-paul - you can come back now


quote:
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Originally posted by jean-paul
Hello everyone,

Recently there is a trend of agressive and humiliating posts.The negative energy that evaporates of these useless discussions cost to much of my and your valuable time and lead to nothing. Besides that they annoy other people that want to exchange information and don't want to get involved in these quarrels.

Therefore I wish to sign off.


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Hi Jean-Paul,
Please do not not leave my friend.
Agressive, humiliating behavior you will find everywhere in society, in work, club, school, internetforum etc.
I left the Audio Asylum, well not completely, as a result of the quarrels. People discussing each others English and so on.
Your English is better than mine but as long as we can understand each other there is no problem.
For me this forum is still the best though I noted a recent decline in quality of posts and nonsense postings just to get "enlightened".
Remember we never would have met, though in virtual world, without this forum. And you would never had your free KWAK-CLOCK PCB. It's in the making!
Please stay!
__________________
ELSO

################################################################

:checked: jean-paul :checked:

You can come back now 😉
Things are alright again now, here at diyaudio forum.

It is so calm & friendly,
it seems like ages since there was any problems,
and very long since anyone had to be sinbinned.
Our moderators have almost fallen into sleep,
by the lack of something to do.

Christ Mas Time must have made every man a better person.
Thank God for that. And Jesus Christ!
He still perform HIS MIRACLES!

So, it is no problem for you to come back.
We need your posts, your views, as much as anyone else's.


/halo - :Olympic: thinks jean-paul reads this :Olympic:
:djinn: and that he will be back tomorrow :djinn:
 
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