However, there is no comparison to the expensive tubes from Kron, Sophia, and Emission Labs. These are all in a separate category. These produce a very different sound. It is like this: on the old black and white TV sets, there were controls for brightness and contrast. The NOS Sylvania tube has the controls set quite well, but it is a totally different ballgame from a new color TV. Now, some movies, like Citizen Kane, depend on black and white. It would not work in color. Likewise, the NOS tubes present the music in a unique way the new tubes do not. |
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