Objectivist or Subjectivist? Give Me a Break

But passive crossovers are constrained in ways that active systems aren't. It seems an unlikely coincidence that these constraints just happen to overlay exactly the useless areas in the overall 'space' that is crossover design. It may be that these constraints focus the passive speaker designer's mind in ways that the active speaker designer feels he doesn't have to, but that doesn't negate the argument that the active speaker must have the capacity to be better than passive - it can exactly duplicate the passive at a minimum, plus it can do more.

Raffles,

Please note that I do not have anything fundamental against active speakers - we are not debating religion, but the implementation of an amplifier/speaker system. Surely in a theoretical perspective the active crossover with separate amplifiers wins. It is justly in the implementation that we must consider the practical limitations. And there are many, most of them have human origins. Consider that you have many amplifiers topologies and designs. Witch one will sound the best with one specific driver? Some people are experts in loudspeaker design, others in amplifier design, other in cables. If we could put all this people in a desert island and oblige them to work together perhaps we would have a great active loudspeaker! But happily the world does not run this way.
 
The weak link in a passive crossover is the circuit design and the quality of the parts used. The weak link in an active crossover is the output stage which will have a signature but in most cases a user who doesn't quite know how to use it. LOL. I just got back from Singapore and came across two active speakers that sounded really good to me. The first was the Gradient Revolution and the second a big ass speaker from Ocean Way. WOWSER for the latter. As for the former, I liked it more than the Orion. Great loudspeaker for the space and WAF challenged. Needless to say, the two Singaporean gents who set up these speakers definitely knew what they were doing. Very nice guys too! :D
 
Raffles,

Please note that I do not have anything fundamental against active speakers - we are not debating religion, but the implementation of an amplifier/speaker system. Surely in a theoretical perspective the active crossover with separate amplifiers wins. It is justly in the implementation that we must consider the practical limitations. And there are many, most of them have human origins. Consider that you have many amplifiers topologies and designs. Witch one will sound the best with one specific driver? Some people are experts in loudspeaker design, others in amplifier design, other in cables. If we could put all this people in a desert island and oblige them to work together perhaps we would have a great active loudspeaker! But happily the world does not run this way.

I think you are right about the difficulty of getting specialists to work together. I've always had great respect for generalists, possibly since watching Star Trek as a child :b: Captain Kirk was not a total expert in anything, but he always took advice from the specialists, and knew just enough to understand the problem and find a really innovative solution.
 
Originally Posted by Phelonious Ponk
No conspiracy required. A couple of high end speaker manufacturers on this board have said they'd like to make them but can't sell them. Actives are not wanted by high end consumers. Simple as that.

Tim

Tim,

I find astonishing, may be amusing, that you write about active loudspeakers and audiophiles and seem to completely ignore the best existing high-end active loudspeakers ...

Do you know that there is high end outside your country? Please google for Backes & Müller and Cabasse, for example.

I'm aware of a number of "high end" companies, American and otherwise, that make active speaker systems, micro. That doesn't change the fact that they hold a very tiny fragment of the market of a very tiny segment (high end). What astonishes me is the conclusions you are able to reach from two short sentences that down't point to those conclusions at all.

Consider that you have many amplifiers topologies and designs. Witch one will sound the best with one specific driver? Some people are experts in loudspeaker design, others in amplifier design, other in cables.

Some people are just good audio engineers, or good at working in teams of good audio engineers. This is why the engineered active system is usually going to be superior to one put together by the end user. Of course that's not unique to active systems. The engineered passive system is often better than one put together by the end user as well. Why wouldn't it be? How many Audiophiles are more qualified than the designer of say, and amplifier, to match it well to pre and speakers? You've hit on why "system synergy," in the hands of the end user, seems to be so difficult and evasive. Really, you would all be much better off finding a designer/manufacturer whose philosophy, approach and sound speaks to you, and buy his system of electronics. Accept that -- simply that the experts who designed your components might know more about appropriately matching them to other components than you do, and you've taken the first step toward grasping the advantages of active systems as well.

Tim
 
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I'm aware of a number of "high end" companies, American and otherwise, that make active speaker systems, micro. That doesn't change the fact that they hold a very tiny fragment of the market of a very tiny segment (high end). What astonishes me is the conclusions you are able to reach from two short sentences that down't point to those conclusions at all.



Some people are just good audio engineers, or good at working in teams of good audio engineers. This is why the engineered active system is usually going to be superior to one put together by the end user. Of course that's not unique to active systems. The engineered passive system is often better than one put together by the end user as well. Why wouldn't it be? How many Audiophiles are more qualified than the designer of say, and amplifier, to match it well to pre and speakers? You've hit on why "system synergy," in the hands of the end user, seems to be so difficult and evasive. Really, you would all be much better off finding a designer/manufacturer whose philosophy, approach and sound speaks to you, and buy his system of electronics. Accept that -- simply that the experts who designed your components might know more about appropriately matching them to other components than you do, and you've taken the first step toward grasping the advantages of active systems as well.

Tim

Tim,

My conclusions were not taken just from your two sentences, but also from your many posts in this thread.

Nice to know you now accept synergy in the sense I have previously referred to it and we agree on a good way to get it - to use all components from the same manufacturer, using a speaker that the manufacturers considers a good match. I am currently following it with success, making the fine tuning with the cables. Others prefer a more time consuming approach, but I have always found that following advise from manufacturers, even non-official (this means mostly verbal and informal, not written) is the more efficient way of being successful in assembling a system.

BTW, what is an engineered active system? How do you separate it from a non-engineered active system? :confused: I hope you not forgetting that the high-end includes good dealers, that although are not sound engineers, have experience assembling successful systems and receive advice from the manufacturers.
 
BTW, what is an engineered active system? How do you separate it from a non-engineered active system?

Hello Micro

From what I am getting from what Tim wrote an active system put together by you or me, an end user. My active set-up would certainly qualify. I have a fully active set-up that I put together using my own experience and likes as a guideline. Hobiest vs. Pro if I got it right. Have quite a bit of equipment involved in it with the potential for all kinds of "synergy issues" as an example. Figure Preamp, active crossovers, EQ's and Amps with a mix of Pro and consumer components plus of course the selection of the driver set and the "synergy issues" there as well.

Rob:)
 
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Hello Micro

From what I am getting from what Tim wrote an active system put together by you or me, an end user. My active set-up would certainly qualify. I have a fully active set-up that I put together using my own experience and likes as a guideline. Hobiest vs. Pro if I got it right. Have quite a bit of equipment involved in it with the potential for all kinds of "synergy issues" as an example. Figure Preamp, active crossovers, EQ's and Amps with a mix of Pro and consumer components plus of course the selection of the driver set and the "synergy issues" there as well.

Rob:)

Yes Rob, you got it, on the money. And by the way, I'm not saying a really knowledgable non-pro couldn't do a good job. But all these guys "synergizing" their high-end passive systems? Most of them would probably be more successful buying DAC, pre and amps from the same manufacturer. And one recommended by their speakers of choice at that. You a big Sonus Faber fan? Find out what was the reference amp when they were developing the speaker you're interested in. There's your sign.

I understand this would suck all the fun out of the hobby for a lot of people, and if fooling around with synergizing gear winds their clocks, I'm good with that. But if getting good sound and getting on with it is what they're looking for, a big dose of common sense is probably a good place to start.

Tim
 
Man, do I NOT get this synergy thang!

Why is it when we get down to brass tacks (aka arguing on an audio forum:D) we never use the 'what is good for the goose is good for the gander' thingamebob?

Why is it, for but one example, that synergy is this mystical wonder that all good audiophiles strive for (and achieve mind) which works when *we* do it, yet the very same concept fails when it is done by the group we are (currently) arguing against.

Raffles,

Please note that I do not have anything fundamental against active speakers - we are not debating religion, but the implementation of an amplifier/speaker system. Surely in a theoretical perspective the active crossover with separate amplifiers wins. It is justly in the implementation that we must consider the practical limitations. And there are many, most of them have human origins. Consider that you have many amplifiers topologies and designs. Witch one will sound the best with one specific driver? Some people are experts in loudspeaker design, others in amplifier design, other in cables. If we could put all this people in a desert island and oblige them to work together perhaps we would have a great active loudspeaker! But happily the world does not run this way.

See, when audiophiles do it (chase synergy, ie that delicate task of finding the appropriate amp, or cable, or binding post that match the speakers) it is not only a noble pursuit, but one done very successfully by hobby audiophiles, yet when we then examine active speakers the very same thing is now suddenly fraught with insurmountable problems and seemingly doomed to failure? See these engineers cannot pull off the feat that is done everyday in the audiophile worlds, pipped at the post by their inability to match amps to drivers (not speakers and crossovers)! Hey, let's not examine whether or not it is an easier thing to do (match an amp to a driver) than it is to find that one uber amp which will do it's job on all the drivers and associated xovers.

This synergy thang is a moving target.

The very concept of it as far as I can understand is that not only can it's effects not be predicted beforehand (that would be engineering instead) but is some lucky dip usually only stumbled upon after exhausting trial and error. We only need to read a few posts to draw that conclusion, how even the slightest mismatch can completely destroy a system. Who'd ever want such an inherently unstable set of affairs is beyond me, but then again that IS the hobby it seems.

But here is the essential, unmistakeable and most important part of that whole idea...this wonderful concept is applied to the system, the indivisible whole that works together. That means that in some cases the most counter intuitive results can occur, where the wonder is that component X somehow, in this instance (and against all predictions) now works with component Y.

This is such a strong plank in the audiophile philosophy it makes me curious why it is suddenly thrown out so often?

Well, if we step back and have a look we can see when it gets thrown out, and it happens whenever we come across another all too familiar human trait...the barrow we push.

Like most barrows that are fully loaded, there is a lot of weight in them. In this case the weight comes from all our prejudices and unexamined assumptions. I have just pointed out an example above, when *we* do it (successfully match amps to passive speakers) it is fine and achievable, but when *they* do it, attempting the same thing for for active speakers (ie what we have some objection to audio philosophy wise) it just can't be done successfully.

Why? Because this particular barrow is loaded up with 'passive is better than active, all the top regarded speakers are passive)

What other barrows are there? We see them all the time, how about one from the last few pages, digital filters (so completely in keeping with the current theme of the thread). See, that's bad!

Well, ok, fine to have your opinion. But where in the hell is synergy now?? It's bloody gone, that's where it is!

No longer are we listening to a system (that complete set of components making the whole) which may sound marvellous due to synergy, but we jettison that and now concentrate on our barrow, digital active is bad. Forget that when it suits us we argue FOR synergy. Of course, it is often only when we KNOW this particular system uses digital filters that suddenly we KNOW it is bad...so we throw away our cherished concept of synergy for the more narrow and base human trait, making ourselves right.

When it suits us we listen to a system and it's synergy (or absence), when it suits us we listen not to the system but a component...in our head that is. We can't magically now isolate *that* particular contribution to the whole.

Oh the hypocrisy of it all.

Either embrace synergy or not, I don't care either way. But have the courage of your convictions.




Many times I have nearly posted what seems to me to be such a simple concept that not only would it be hard to properly articulate, it is so deceptively simple it's significance would not be gotten by most. Bu7t in the last few pages it has come up, so here goes I guess.:)

The thing is, ready for it?, all of the audiophile stuff is based upon comparisons.

There, simple eh. So what I hear you ask. Well, that means any and all of this synergy stuff for example is NOT an absolute, it does NOT exist in isolation.

Let's get the obvious out of the way, if you hear a 'bad system' then I can confidently tell you that 99% of that is down to the speakers. There could be the case where an amp is basically overdriven into horrible distortion etc, but really electronics have very little to do with it. Ok, maybe you can then change a cable and maybe hear a difference, but the basic tone is set.

So changing and auditioning, there is your comparisons happening. Franz touched upon it, you walk into steves room and no matter what he drives his system with electronic wise it will sound pretty damned good, always assuming the amp is basically up to the job. (you have never heard it before mind)

Ok, I am happy to accept that after comparison that you find amp B to do a better job, or cable C, whatever. The point is that the comparison must take place once the essential framework (speakers capably driven) is set.

But no, lately we have found out that these (very) minor inputs from cables, speaker spikes and whatnot have assumed such importance that the wrong one can completely destroy the sound! Ie, you now walk into steves room-with the wrong binding posts-and it sounds atrocious! That is actually believed??? Talk about inversion of not only importance, but reality too.

That is taking synergy waay too far and into territory it simply does not inhabit.

Man, do I not get this synergy thang.
 
Man, do I NOT get this synergy thang!

Hello Terry

Depends on how you look at it. To me synergy is as simple as the damn thing works as advertised and doesn't throw you any "curves".

A good example of a "curve" is adding an amp and all of a sudden you have a ground loop issue. I am sure I am not alone in that experience. Rane has a great tech note about why ground loops occur.

http://rane.com/note110.html

Same with loudspeaker drivers. You should be able to look at what's published and not get surprised that you can't do a 300Hz crossover because your mid won't get you there.

It should all make sense and not be blindly groping for that magic combination that is somehow better.

Rob:)
 
Hello Terry

Depends on how you look at it. To me synergy is as simple as the damn thing works as advertised and doesn't throw you any "curves".

A good example of a "curve" is adding an amp and all of a sudden you have a ground loop issue. I am sure I am not alone in that experience. Rane has a great tech note about why ground loops occur.

http://rane.com/note110.html

Same with loudspeaker drivers. You should be able to look at what's published and not get surprised that you can't do a 300Hz crossover because your mid won't get you there.

It should all make sense and not be blindly groping for that magic combination that is somehow better.

Rob:)

Oh, you mean engineering Rob?

I get that.;)
 
Man, do I NOT get this synergy thang!

(...)

Man, do I not get this synergy thang.

Terryj,


Since you do not understand synergy (as your post illustrates) you are misreading me, and completely distorting my view. If you achieve the synergy between all elements of an active speaker you will get an audiophile design with audiophile quality. Some people have done it - see Paul Stubblebine or Dan Schmalle active system. The question is that the implementation of such systems is too complex to be manufactured in standard systems.

The reticent position of many audiophiles about pure active systems is surely now a bias, but this bias comes from tens of years of experience with impressive very dynamic and detailed but in the long term poor sounding actives.

And please get informed about what is being referred and try to discard your digital versus analog old anti-audiophiles arguments - some of the great active speakers I was referring to are all digital - but is costs usd 150000.00
 

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Terryj,


Since you do not understand synergy (as your post illustrates) you are misreading me, and completely distorting my view. If you achieve the synergy between all elements of an active speaker you will get an audiophile design with audiophile quality. Some people have done it - see Paul Stubblebine or Dan Schmalle active system. The question is that the implementation of such systems is too complex to be manufactured in standard systems.

Well micro, here is your view
High-end systems coupled with appropriate rooms can deliver an exceptional high quality, but any small change or deviation in the system can bring the whole system out of tune, sounding almost miserable. In order to have the system operating properly, you have to be knowledgeable, open minded and experiment a lot, rely on real experts or sometimes just being lucky. .

and
Consider that you have many amplifiers topologies and designs. Witch one will sound the best with one specific driver?

and
Some people are experts in loudspeaker design, others in amplifier design, other in cables. If we could put all this people in a desert island and oblige them to work together perhaps we would have a great active loudspeaker! But happily the world does not run this way.


Perhaps you could point me to where I misrepresented you? You clearly stated that it is nigh on impossible for a quality active system because the 'experts' don't have enough nous to be able to engineer the amp and driver package, something you guys seemingly do every day of the week. Create a quality successful system with your mix and match.

Yet those poor bozos. Thank god they design speakers and not aeroplanes eh.

I also posted about how the goalposts change when people get on their hobby horses, that was not particularly directed at you, but it did come up in the thread. The change of goalposts is moving from magical synergy (which is often just pure damned luck as you mentioned) to a rigid position, in this example in the thread it was digital processing (vs analog I presume). It could just as well have been valves vs ss, cd vs vinyl. It just happened to be in this thread that particular example.

The other point I made was the idea of 'comparing', (maybe that was what you were referring to, dunno?). I dispute the notion that 'any small change or deviation' can make a system sound miserable. The idea you could walk into a room, and simply because it had the wrong isolation feet it sounded miserable is absurd. Put another way, if it did sound miserable it had nothing to do with the isolation feet or any small change or deviation. It would be that the framework or basics did not suit....for you. Presumably the owner is happy.


The reticent position of many audiophiles about pure active systems is surely now a bias, but this bias comes from tens of years of experience with impressive very dynamic and detailed but in the long term poor sounding actives.

And please get informed about what is being referred and try to discard your digital versus analog old anti-audiophiles arguments - some of the great active speakers I was referring to are all digital - but is costs usd 150000.00

So every passive speaker you have heard was a winner? Just how many active speakers have people heard, there are not tooo many made for audiophiles. You show us cabasse, fair enough. How many others are there? The point is that (afaik) there is a very small field of actives to be able to make a statement like ultimately poor sounding active speakers. Tens of years? Really? they been around that long?

So you reckon the cabasse sounds good (have not heard it myself, I used to run cabasse tweeters but that's as far as my experience goes). They had a pair in melb a few years back, by all accounts I read most were quite impressed. Do you consider it it great? If it is, that would seem to be in contradiction to your earlier quote above (the world does not run that way, else we would have a great active loudspeaker system).

In any case, you missed my point I feel. I don't have any particular horse in this race. I pointed out what I see as the contradictions expressed by others here. You can have a fantastic system either way, active or passive. Mine happens to be active, mainly because the design of passive networks is an arcane art to me. That we can throw in stuff like room correction is just icing.
 
Well micro, here is your view (...)

Yet those poor bozos. Thank god they design speakers and not aeroplanes eh.
(...)

I think this comment of yours is the synthesis of all your points - IMHO you fail to see what is the high-end objective in sound reproduction. I can only add that aeroplanes do not use psycho-acoustics to fly. Sorry if I was not able to properly explain my views - I hope some one could understand.

BTW, I owned my first active around 1983 - a Meridian M2 with a 101 preamplifier. It is still playing at a friend system. And I still have a pair of Meridian M60mk2 in my garage (rosewood finish) that I never was able to sell, even at audiogon for one fourth the retail price, as well as a 104 tuner black piano finish, that I keep for its outstanding design.
 

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Hello Micro

If you achieve the synergy between all elements of an active speaker you will get an audiophile design with audiophile quality.

Who determines if “synergy” has been achieved or not?? The system owner?? If that’s it are we not just seasoning to taste??

Some people have done it - see Paul Stubblebine or Dan Schmalle active system.

So here we have 2 people who have managed to do this. Why them?? What’s the criteria and how do we know they have accomplished this?? Something you read?? Have you listened to the systems?? Is it just because they share the same beliefs??

The question is that the implementation of such systems is too complex to be manufactured in standard systems.

So lets get this straight they have achieved what the designers and manufacturers can’t do. It’s too hard for them to do it?? It’s too complex??

What’s with all the hocus-pocus and voodoo?? The way you make it sound it’s damn near impossible for you to get there. Relying on blind luck, that’s a crazy way to try to accomplish a goal.

You ever hear the expression “Don’t sweat the small stuff”. Seems to me that’s all you are doing and if that’s the case know wonder why people are constantly changing out their gear. In search of the elusive “synergy”. Bet it makes the dealers and Audiogon real happy. Just infect everyone with a case audionervosa and let the games begin.

Rob:)
 
Originally Posted by Robh3606
Hello Terry

Depends on how you look at it. To me synergy is as simple as the damn thing works as advertised and doesn't throw you any "curves".

A good example of a "curve" is adding an amp and all of a sudden you have a ground loop issue. I am sure I am not alone in that experience. Rane has a great tech note about why ground loops occur.

http://rane.com/note110.html

Same with loudspeaker drivers. You should be able to look at what's published and not get surprised that you can't do a 300Hz crossover because your mid won't get you there.

It should all make sense and not be blindly groping for that magic combination that is somehow better.

Rob

Oh, you mean engineering Rob?

I get that.

This.

Tim
 
Rob,

My criteria for success is subjective and my single opinion has very low, almost null statistical value. But I can tell you I share the views expressed by F. Toole in his book Sound Reproduction about why humans are able to evaluate what is a good sound, even in a non absolute system such as the existing sound industry.
I statistically weight my opinions with those of people I trust. If I would consider, as some people do, that all audiophile opinions are non reliable, my knowledge about high-end would be almost zero. But after 30 years of audiophile experience, I feel I can understand the hobby better than those who spend their time denigrating it. Surely audionervosa exists. A few people are affected by it in a additive way, my dealer call them the chronicles. But he says it is a small percentage of the community. Most of his best clients keep the systems stable for long years. For me changing and experimenting is part of the hobby.

As some people say, when you are lucky most of the time it is not blind luck, it must me something else.
 
If I may guys, maybe we should be more specific than just active vs passive, particularly when it comes to active as it comes in many forms. How about the elements that make up an active design as well as their bonus features?

1. Drivers

2. Active Cross Over
a. Gain Only
b. Frequency and Gain
c. Slope, Frequency and Gain

3. Amplifiers
a. packaged
b. user's choice

4. Bonuses or what may be included or added
a. distribution amplifiers (depending on number of channels)
b. equalization
c. room correction

There's active in a box where the designer/engineer packages everything for you and then there's everything else which provides a little or complete discretion of the user. It doesn't take a rocket scientist to see that the more discretion there is the more double bladed things. It is definitely an implementation issue. In my opinion, theoretical superiority is just that, theoretical. Ho-hum.

I don't believe that one can't get extremely good sound from a fully manual active system. It just isn't easy for people that haven't practiced the craft. If an active in a box is a point and shoot, a fully manipulable active system is a professional DSLR. Let's never forget the human element here. How far will a person get in tuning one of these if he has yet to understand the parameters involved? Even if he did, how far would he get if he didn't know how to use and interpret his measurements properly? How far can he get when he starts believing things can't get any better when in fact, he's simply hit his personal limits? Well, he'll get anywhere from nowhere to unfulfilled potential, that's where until he sees and hears it done better.

It's really no different from a passive system. The manipulable parameters are just manipulated differently.
 
If an active in a box is a point and shoot, a fully manipulable active system is a professional DSLR.

That would be a good analogy if you were analogizing Garage Band vs a pro recording studio instead of engineered active systems vs. user assembled ones. But we're not. This isn't point and shoot vs. DSLR, if you don't mind my extending your analogy, because we're not taking the photographs, we're merely playing them back. A more apt photography analogy would be the digital picture frame vs. buying a little LCD screen and and memory card reader, and the various chips and wires and stuff I don't really understand that make up that digital picture frame and putting it together yourself. And there is this whole bunch of guys - just photo hobbyists, mind you - not even professional photographers, much less electrical engineers, who believe they can pick and choose the components of the digital frame, string it together with a bunch of wire, stack it up behind the little LCD screen and get a better picture than the pros. What's their evidence for this unlikely feat? It looks better to them.

Really, it has more to do with ego than audio.

Tim
 
As some people say, when you are lucky most of the time it is not blind luck, it must me something else.

Hello Micro

You have been doing this for 30 years, you have a lot of insight and experience. You have learned what works for you and what doesn't. Made mistakes, we all have, and learned from them. You are commited to a life long hobby and using your experience to make informed deccisions. That is not luck. I don't know about you but I don't swap gear just to try new stuff. I swap it if I think it will improve things. That said I agree trying new things is fun and a part of the hobby.


Rob:)
 

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