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Questions about tubes and gear that glows. FAQ

There are no cumulative negative effects or problems......

If you are worried about cumulative effects, choosing different brands with different construction internally will avoid any inherent distortion products from being additive. Since these two tube types usually differ in construction, it is probably not a concern.

You don't mention the current types installed or factory types either. I know folks who enjoy the genuine Sovtek 12AX7 LPS for their Bellari. If the 6922 tubes are Chinese, Russian or American, you might try some UK, Germany or Holland sourced vintage types. Do not be afraid to buy good used tubes, if they are guaranteed to please by the seller, or the bay.

Only you can decide which tubes are best for your applications and fave music. It really does not matter what tubes anyone recommends. It is your happiness and enjoyment at stake.

Consider value versus cost, at first. For example, the "classic" vintage fave was the Telefunken ECC83/12AX7, either early "ribbed plates" or "smooth plates" types. Beware of the non-genuine smooth plates, which lack the pressed in glass, diamond and date codes on the bottom of the tube between the pins. These later "copies" do not have the same quality. Anyway, at $40. or more per good, used Telee tube, the Sovtek LPS can be procured and guaranteed for under $12. each. Will you enjoy the Telee that much more ? It is only a possibility...but, perhaps...Then again, maybe you will prefer the Great Britain or Holland made "small plate" types of classic 12AX7/ECC83 which can be bought for around $30. each these days. There are lots of golden oldie and newly made types to consider.

Now, the 6922 family have many more modern and vintage choices due to the possibility of using 6DJ8/ECC88, 7DJ8/PCC88, 7308, then the various manufacturers and types of each through the years.

While some of us treasure the sound of the earliest versions of both tube types of concern here, your craving may differ. That is why I say to start out "easy" and make sure you can discern the sonic differences, which can then influence your possible splurging in the future.

When you have some subjective thoughts on differences, by posting again later, there are some wizards and distributors on board here who will jump in and recommend more, based on your subjective observations.

Enjoy the audio journeys...



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  • There are no cumulative negative effects or problems...... - Interstage Tranny 17:09:49 02/18/17 (0)

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