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Isaacc7 replied to the thread The Reference Pentode and Beam Tetrode Thread EL34, KT66, KT77, KT88, EL11, EL12, EL3N, EL35, EL37, 6550, 6L6, EL51, EL39, 4654, 4699, KT63, KT61, 6V6, etc.The GU50 is really the only reason to get 12v output tubes IMO. I can’t think of any other 12v output tubes that are much cheaper or...
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Isaacc7 replied to the thread The Reference Pentode and Beam Tetrode Thread EL34, KT66, KT77, KT88, EL11, EL12, EL3N, EL35, EL37, 6550, 6L6, EL51, EL39, 4654, 4699, KT63, KT61, 6V6, etc.Right there with you. I have so, so many tubes with so many good sounding combos. For my birthday I finally got the n78 (and adapters...
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Isaacc7 reacted to UntilThen's post in the thread The Reference Pentode and Beam Tetrode Thread EL34, KT66, KT77, KT88, EL11, EL12, EL3N, EL35, EL37, 6550, 6L6, EL51, EL39, 4654, 4699, KT63, KT61, 6V6, etc with Like.Yup pentodes and beam tetrodes. Far too many for me to enjoy now.
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Isaacc7 replied to the thread The Reference Pentode and Beam Tetrode Thread EL34, KT66, KT77, KT88, EL11, EL12, EL3N, EL35, EL37, 6550, 6L6, EL51, EL39, 4654, 4699, KT63, KT61, 6V6, etc.Well there you go, the 254m has a loctal base. The ITT tubes are later production but that base was used with old tubes. Must have been...
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Isaacc7 reacted to UntilThen's post in the thread The Reference Pentode and Beam Tetrode Thread EL34, KT66, KT77, KT88, EL11, EL12, EL3N, EL35, EL37, 6550, 6L6, EL51, EL39, 4654, 4699, KT63, KT61, 6V6, etc with Like.The 5b/254a is essentially a classic 807 in a small straight glass with a smaller top cap. Again I want to hear the difference between...
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Isaacc7 replied to the thread The Reference Pentode and Beam Tetrode Thread EL34, KT66, KT77, KT88, EL11, EL12, EL3N, EL35, EL37, 6550, 6L6, EL51, EL39, 4654, 4699, KT63, KT61, 6V6, etc.Huh, I don’t know what the difference is between the 5b/254a and the 5b/254m. I’ve never seen the 254a before and I’m having trouble...
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Isaacc7 replied to the thread The Reference Pentode and Beam Tetrode Thread EL34, KT66, KT77, KT88, EL11, EL12, EL3N, EL35, EL37, 6550, 6L6, EL51, EL39, 4654, 4699, KT63, KT61, 6V6, etc.The vt60 has a really different plate structure, haven’t seen any other tubes like it. I have the Mullard brown base 807, Mazda 807...
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Isaacc7 replied to the thread The Reference Pentode and Beam Tetrode Thread EL34, KT66, KT77, KT88, EL11, EL12, EL3N, EL35, EL37, 6550, 6L6, EL51, EL39, 4654, 4699, KT63, KT61, 6V6, etc.The VT60 don’t sound like any other 807 I have. The vt60 sounds noticeably more open and detailed in both of my amps. It can be an...
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Isaacc7 reacted to UntilThen's post in the thread The Reference Pentode and Beam Tetrode Thread EL34, KT66, KT77, KT88, EL11, EL12, EL3N, EL35, EL37, 6550, 6L6, EL51, EL39, 4654, 4699, KT63, KT61, 6V6, etc with Like.It's been a week now since I have been using the GEC 807 ATS25. Where EL34 midrange sound a bit scooped, 807 like 6L6 midrange is front...
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Isaacc7 replied to the thread The Reference 6SN7 Thread.That looks ridiculous. I’m not an engineer but I can’t think of any reason for the getter to be put up so far in the tube. It’s clear...
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Isaacc7 reacted to mordy's post in the thread The Reference 6J5 Thread (L63, 6C5, 12J5, 6P5, etc.) with Like.The budget champion of these tubes is the Shuguang 6C8P and surprisingly it is very good sounding and can easily hold its own against...
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Isaacc7 replied to the thread The Reference Pentode and Beam Tetrode Thread EL34, KT66, KT77, KT88, EL11, EL12, EL3N, EL35, EL37, 6550, 6L6, EL51, EL39, 4654, 4699, KT63, KT61, 6V6, etc.Have spent the last week using both the cv4062 and n78 tubes in my single ended pentode amp. They use the same adapters but I can’t get...
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Isaacc7 replied to the thread The Reference 6SN7 Thread.Saying that GE didn’t make good sounding tubes is a bit of a meme at this point. They do have some standout output tubes like the oval...
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Isaacc7 replied to the thread The Reference 6SN7 Thread.I’ll condense the thread for you. Every NOS 6sn7 is great (except GE) and is the best thing they have ever heard until the next NOS 6sn7...
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