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New Thread, Old Question| socal sam |
Posted: February 03, 2009 10:13 pm
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 Advanced Member  Group: Members Posts: 986 Member No.: 265 Joined: July 25, 2007  |
Tubes sound so much better after 30 minutes of warmup. The difference is so startling I take notice and think OH WOW!
I know this question has been asked since the begining. Why do tubes sound remarkably better after 30 minutes? |
 
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| Elroy |
Posted: February 03, 2009 10:34 pm
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 Thread Killer  Group: Moderator Posts: 3045 Member No.: 4 Joined: June 29, 2006 |
they must have warmed up
 -------------------- I got nothing
Yamaha CX-2000 Yamaha MX-2000 Zhaolu 3.0 DAC Modded Vandersteen 2c Denon DP62L Marantz 67 SE CD Player Teac W990rx |
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| clint e. |
Posted: February 04, 2009 06:25 am
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 D161t@L 0N L1N3 / Analog at heart Group: Moderator Posts: 6089 Member No.: 40 Joined: July 13, 2006 |
In simple terms, the cathode emits electrons and the anode receives those electrons and the purpose of the grid is to control the current flow from cathode to anode. So, the cathode cannot emit electrons until the heater has warmed and that's the reason why valves need a warm-up period to get started. Attached Image (Click thumbnail to expand)  --------------------   " Not everything that can be counted counts, and not everything that counts can be measured " Albert Einstein |
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| socal sam |
Posted: February 04, 2009 10:42 am
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Advanced Member Group: Members Posts: 986 Member No.: 265 Joined: July 25, 2007 |
I've noticed the 30 minute thing with both my tube amps. After an hour, things are really cooking and they sound even better. I've been playing my 500-C all morning. It's so good, it grabs my attention from what I'm doing.
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| clint e. |
Posted: February 04, 2009 11:33 am
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D161t@L 0N L1N3 / Analog at heart Group: Moderator Posts: 6089 Member No.: 40 Joined: July 13, 2006 |
That's the valves' magic.
 -------------------- " Not everything that can be counted counts, and not everything that counts can be measured " Albert Einstein |
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