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Here is a reference to different EIA code lists for different years: https://www.ecianow.org/eia-source-codes As far as I know the EIA... -
lupoal replied to the thread Schiit Mjolnir 2 Listening Impressions.Hi, I've seen some previous posts about ECC81... I've recently bought 4pcs branded Westinghouse (NOS NIB) but I'm unable to recognize...
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lupoal replied to the thread Tube Change/Biasing a Stax 006t II.I've used Bourns 3339 - 1/2W, 4 turns --> 339P-1-202-LF but next time I would choose a 10 turns rectangular shape (it is necessary to...
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lupoal replied to the thread Tube Change/Biasing a Stax 006t II.... in the meantime I kept racking my brains about that transformer screwed onto the pcb, the same pcb on which are the valves that we...
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lupoal replied to the thread Tube Change/Biasing a Stax 006t II.these are the trimmers... not extremely difficult to do but not very easy too... you need to know how to de-solder and solder properly...
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lupoal replied to the thread Tube Change/Biasing a Stax 006t II.... the first on the right... that one marked with yellow X ... and I've also changed the trimmer (those horrible single-turn) with a...
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lupoal replied to the thread Tube Change/Biasing a Stax 006t II.yes… it works perfect ;)
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lupoal replied to the thread The Reference 6SN7 Thread.thanks :) in the meantime I've received some additional info from one of my friends, I will share here in case could be...
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lupoal replied to the thread The Reference 6SN7 Thread.Thank you Mordy :) is there a place where I can find codes of the different manufacturers? If I remember right each of them use their...
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312 is the EIA (Electronics Industry Association) code for Sylvania and 113 means the 13th week (April) of 1961.
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lupoal replied to the thread The Reference 6SN7 Thread.Hi, sorry for the probably most common question of the century but I’m in trouble finding a replay so… I bought a couple of Sylvania...
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lupoal replied to the thread The Reference 6SN7 Thread.@g0ldl10n @mordy thank you :)
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As stated, this is a RCA tube. In the past I found it to be very good sounding. There are other RCA tubes from the same time period...
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This is an RCA just like this one. You may be thinking of the GE Coinbase 6SN7 GTB tubes with the top bridge part tho.
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lupoal replied to the thread The Reference 6SN7 Thread.Hi, could you help me in recognizing this tube? I've already seen that "bridge" on the top but can't remeber the brand (they declare RCA...
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