Quote:
Originally Posted by nick20 
Again, you are comparing 43 tubes to thousands of users, versus 400+ to thousands of users. Again, please tell me I am wrong, but 343+ is greater than 43. Maybe I'm wrong, I don't know.
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There are actually quite a few more equivalent tubes to the EF91/EF92/5654 that can serve as replacement for the stock LD tubes that you may not know about. I'll attempt to list some off my head at the end of this post, but my main point being that with the Little Dots, there are many more 'types' of tubes you can try, and many more 'manufacturers', resulting in a more varied tube rolling experience. Sure there are lots of 6SN7 on ebay, but that doesn't necessarily mean that tube rolling will be more successful or more enjoyable since there aren't as much variety compared to the vast number (type and manufacturer) of tubes compatible with the Little Dot amps. I, for one, have been rolling my little dot amp for the past 2 years and has never had a shortage of tubes to roll.
Here's a list (not at all comprehensive) of LD-compatible tubes: EF91, 6AM6, 8D3, CV4014, M8083, Z77, EF92, CV131, 6CQ6, M8161, CV4015, EF95, 6AK5, 6AK5W, 5654, M8100, CV4010, 401A, 401B, etc. Many of these tubes have multiple manufactuers such as GE, RCA, Ediswan, Mullard, Sylvania, Telefunken, Amperex, International, National Union, Western Electric, etc. And that's just the driver tubes. For the power tubes there are: 6H6Pi, ECC99, E182CC, 5687WA, 12BH4, 7119, 7044, 5697, etc.