| Tung-Sol 7581A vs Tung-Sol 6L6G Big Bottle [message #99092] |
Thu, 13 November 2025 12:26 |
bergholt
Messages: 6
Registered: August 2021
Location: Copenhagen, Denmark
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Esquire |
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Dear fellow enthusiasts, It’s getting a bit chilly outside, so I’ve found myself spending some time looking at tubes again for my Leben CS-600.
At the moment, it’s running with a set of Russian 6P3S-E tubes. However, I’ve been reading a lot of positive things about the Tung-Sol 7581A, which makes me quite tempted to give them a try.
The Tung-Sol 6L6G Big Bottle series also looks interesting; I actually came across them for the first time today. My Leben originally came fitted with Sovtek 5881s. As far as I know, both Sovtek and Tung-Sol are produced today by New Sensor, correct?
I’d love to hear about your experiences, both good and bad, with these tubes.
The only downside I can see with the Big Bottle tubes is that they’re too tall to run with the top cover on the amp.
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