What 6j1 tubes are there?

i dont manage to find those tubes anywhere, are there some?

Mullard, Voskhod, Gen Electric, Siemens there’s a lot tbh

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oh thanks, thats helpful

6J1=6Ak5,5654,EF95,CV4010,M8100

I’ve bought a lot of pairs on eBay.

Was writing this, you beat me to it. Here are some I was looking at trying myself with the MT602.
https://www.ebay.com/itm/363296540762

https://www.ebay.com/itm/262396446387

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oh what a coincedence, i also have the same amp, thanks for your recomendations

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