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We have not directly compared the two different 6SN7s head to head. I'm hoping to be over at Dennis' when the A.A. member from Western NC comes to visit, I believe on 9/26. I will bring both tubes, along with a lot of other choices..... |
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I've heard tubes can change character after burn in. I'll have to throw the Psvane kt88 pair in the amp someday and burn them in for a few weeks. On that note, I assume this is safe because it says it in the AD Dennis wrote, but I leave my fire-bottle on 24/7 when not switching tubes. I listened to the NOS Tung Sol for two hours last night, and the GL KT88 for about two hours. Again, not burnt in, but the two tubes are radically different. TS has more raw resolution, rough treble, not much bass. Super tight and accurate bass tho. GL are more liquid, bass completely filled out, but without the stranglehold on being tight and controlled. Treble, not having that raw transperency as the TS, but much easier to listen to, it's not rough. If the Nos Tung Sol develop bass, and the treble calms down, it could be a gem. I'll see I guess after burn in. EDIT: It would be awesome if some experienced users filled this out more. I made it public and editable. If it gets vandalized so be it. I'm wondering if there's any tubes I can use, that I don't know about. Plus power tube + rectifier pairings interest me. |
I sure don't leave mine on 24x7. I find that mine sounds great after 10-15 minutes of warmup. Don't want to burn up my power tubes as space heaters.
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How should I link images? The picture function in this forum doesn't let you size pictures, so it looks GIANT in the post. This forum also doesn't have the "spoiler" function, so I can't hide an image. Plus. Quote:
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Imgur has a store. Look around and you will find it. |
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I hope to meet you then. Right now it looks like I will be there in the afternoon of the 26th. I am planning to hang around for a while and listen and talk. I will bring some vinyl (cost of admission) and a few tubes as well, though I get the feeling your tube collection is quite impressive and mine may be redundant. Anyway, it should be fun, especially since I should be driving away with a new PSE.:banana: |
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Rectifier voltage drop: Lower voltage drop drives the tube harder. This may or may not sound better. Just trust your ears and enjoy the :music:. Psvane power tubes: Just run them and turn the volume down. Try not to listen critically for 150 hours or so. You have a good selection of power tubes. IMHO, don't go nuts and broke trying every possible combination of tubes. |
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