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A few basic tube questions

For starting info i just purchased a pair of Quicksilver mid mono amps . These are my first tube amps i have owned .

Questions are : I plan on buying several sets of tubes for these amps by different manufacturers. When i have found the ones that i feel i like the best how do i sell the others that will have had an hours worth of use ?

Second question is in regards to the varients my amp can use . They are el34 , kt88,kt90 , and maybe a few more .Will all manufacturers of an el34 sound similar . Or might one el34 sound like someone elses kt 90 .

Third question is in regards to my new dodd preamp . That uses one tube of the 6 volt ilk . There are one of those as well in the quicksilver amps . Is it a good idea to use the same in the pre and amp ?

Lastly if anyone is interested in giving a quick (general description) on the differences of the el34 ,kt88 ,kt90 tubes .
maplegrovemusic

Showing 3 responses by lowrider57

lowrider57's avatar
lowrider57
5,418 posts
 
Good advice from Lostbears.
But down the road when u want to sell used tubes, I have had success with Audiogon and Audio Asylum Trader. Provide as much info as possible such as total hours used and if u can provide test readings.
lowrider57's avatar
lowrider57
5,418 posts
 
Jmcgrogan2... You bring up a good point; Who wants to buy some unknown used tubes?
I have no tester, so in my ads I did mention the dealer's name and the reason I was selling which was always "auditioned the tubes in my gear" and I will give the hours used...200 to 300 for auditioning. I will also draw attention to my positive feedback.
I have had sold a few sets of very expensive NOS tubes for about half price; I'm talking about $200+ tubes. There was a high demand for these tubes and I believe that is why they sold.
lowrider57's avatar
lowrider57
5,418 posts
 
You've asked good questions, but now it's time to listen to your system's synergy. Forget about that Russian tube; you've first got to hear the new preamp and amps with your speakers, cables, and source; then keep listening thruout the burn-in period. It should be an exciting and enjoyable experience. I'll bet it will continue to sound better each day.
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