Component Design

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1ZIP

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Component Design
« on: 9 Jan 2010, 07:19 pm »
Just curious:

 You read reviews and listen to discussions about a components attributes, such as it has a wide or narrow sound stage, the sound stage is forward or back, the sound is more liquid, it's harsh, good imaging, bad imaging, etc. etc. etc..  But I've never heard how a given attribute is achieved or adjusted.  I mean how/what does a designer do at the circuit level to achieve good imaging, sound stage, etc..  (Yes, I know it's all components acting in concert to produce a given sound out of the speakers.)  It can't be a hit or miss proposition by the designer.  They must start with a basic notion of how to achieve a given attribute and then tweak something to bring about or enhance a given attribute.

So, inquiring minds want to know, how do you bring the sound about??

robb

Re: Component Design
« Reply #1 on: 10 Jan 2010, 02:16 am »
Great question. I'd like some info also

FullRangeMan

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Re: Component Design
« Reply #2 on: 10 Jan 2010, 03:03 am »
By the little I know: There is a step in the design of an amplifier called voicing, where the designer or engineer chooses the brands of the parts (transistors, capacitors, resistor, etc.) by ear, listening options (brands) of many components to get the overall sound that they want to get of
this equipmet.
Changing the type or brand of a part the sound too will change, mainly in certain areas of the circuit.
If there are price restrictions on that equip the chosen part should be the cheaper, and not an expensive BlackGate capacitor etc...
In few words this is an way of give a kind of sound to an amp, Iam sure Mr.Tanner or others experts can add more info in this fascinating subject.

rob80b

Re: Component Design
« Reply #3 on: 10 Jan 2010, 04:14 am »
Hopefully “voicing” is never a direction Bryston are headed toward, in a true sense the electronics to reproduce the original signal need to be as neutral as possible to be able to recreate the original waveforms. Bryston unfortunately quite often receive a bad rap in many circles precisely they have not gone that route, “voicing”. The Achilles heel therefore in a true sound reproducing system is basically the final transducer  “the speaker” and room interaction.

Robert

vegasdave

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Re: Component Design
« Reply #4 on: 10 Jan 2010, 04:21 am »
I agree. No colorations added to the sound is best.

FullRangeMan

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Re: Component Design
« Reply #5 on: 10 Jan 2010, 05:57 am »
I afraid ''all'' amps are voiced, this is an obligatory step on the amp design, someone have to choose the electrical value, brand or type of the parts to made a steady manufacture and control cost and parts stocks.
By what I read looks Bryston amps are voiced to be neutral, a tube amp usually is voiced to be warm or musical, others amps are voiced to be a little transparent or much transparent(clinical).
Voicing is a important step on the maker of a amp, it may add much value to the circuit project.

95Dyna

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Re: Component Design
« Reply #6 on: 10 Jan 2010, 09:37 pm »
Hopefully “voicing” is never a direction Bryston are headed toward, in a true sense the electronics to reproduce the original signal need to be as neutral as possible to be able to recreate the original waveforms. Bryston unfortunately quite often receive a bad rap in many circles precisely they have not gone that route, “voicing”. The Achilles heel therefore in a true sound reproducing system is basically the final transducer  “the speaker” and room interaction.

Robert

I agree that the speakers do most of the job of soundstage and imaging etc. however the recording must contain the info, the pre amp must pass the signal as inobtrusively as possible to the amp(s) and the amp(s) must provide the current the speakers need to perform this task effectively.  To me if a reviewer tells me "this amp throws a huge sound stage" that means he has great speakers and a great recording and the amp is matched well to the speakers and is enabling the speakers to reach their potential as designed.  That's why a reviewer must use a "reference" quality speaker in a review to isolate what the amp (or any other component) is doing.