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Balanced XLR or RCA on Stax? - Page 2

post #16 of 23

The difference you will hear is due to the source and not the amp.  A good SE source will always be better then a mediocre balanced one. 

 

Any claims that a balanced connection is better due to the headphones being balanced are just pure and utter BS. 

post #17 of 23
Quote:
Originally Posted by spritzer View Post

The difference you will hear is due to the source and not the amp.  A good SE source will always be better then a mediocre balanced one. 

 

Any claims that a balanced connection is better due to the headphones being balanced are just pure and utter BS. 



Totally agree, and to go one step more...Can anyone demonstrate to me - by engineering, not by what you think you hear - how balanced could possibly affect a signal in any way other than extraneous noise reduction? In professional circles that is its only use. Fidelity is not in the picture, just noise.


Edited by Clarkmc2 - 2/11/11 at 4:00pm
post #18 of 23

x100 on the above two posts. Sad fact is you guys are bucking a religion. No amount of reason, evidence, or science is going to put the slightest dent in the dogma. "Everyone" knows that balancing  any random  3' piece of wire in your audio system will yield "breathtaking", "revelatory", and "jaw dropping" "transformations"! 10k posts and cable sales can't be wrong!

post #19 of 23

The original question was whether there was a benefit in buying a T1S over a T1 for the balanced inputs, not whether balanced is better overall, so I agree with what Spritzer said. However a comment on the design of the Stax amps as it relates to their inputs would be helpful. smile.gif

post #20 of 23

Most of the Stax amps post 1982 are fully balanced, DC coupled designs.  That means the - side of the amp is grounded (through a resistor to load it, floating fet's are a very bad idea) when the amp has only RCA inputs.  The balanced nature of the amp will then act as a phase splitter and give you a balanced output.  While running the amp balanced could have a tiny advantage the differences in how the different output stages in the source are designed renders the issue moot. 

post #21 of 23

I read you elsewhere saying that T1S/T1W add the extra features over T1 (including balanced) by adding circuitry, and therefore sound slightly worse than T1. (I hope I haven't misquoted you.)

 

Just curious: are there other Stax amps which have balanced inputs designed in from the start, without having to add extra circuitry?

post #22 of 23

Yes there are. All the 'larger' Stax amps made after the models you mentioned have them. These include SRM 006/007t(II), 717, 727, 600. Some of them allow simultaneous connections to both types of inputs and have input switching capabilities, while others can only accept one source at a time.

post #23 of 23

If you want two inputs then extra circuitry is always needed.  You need either relays or a switch to ground the - part of the amp for SE use. 

 

As for the T1S and W, they do sound different and some of it is due to the evolution of the circuit.  Still that comment of mine is from the days before I rebuilt all of my amps and there are a lot more factors to consider then just the inputs and how they are handled.  It is a simple fact that all electronics don't age the same way even if they are made on the same day with all the same parts. 

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