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mordy replied to the thread The Reference 6SN7 Thread.I think STC was the successor of GEC and these are the ones I meant. There was one loctal version and one with flying leads. -
mordy replied to the thread The Reference 6SN7 Thread.I never bothered with the other versions of the C3g because of the different pin outs and voltages, but I once researched the different...
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mordy replied to the thread The Reference 6SN7 Thread.I don't have the C3m tubes but I have the C3g tubes which I believe are similar in function but 6.3V instead of 20V. These tubes were...
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mordy replied to the thread Eric McChanson Headphone Amp?? .I have both the Philips and Tungsram E80CC and prefer the Tungsram - a very good sounding tube.
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mordy replied to the thread The Reference 6SN7 Thread.Many of the Bendix tubes were intended for ballistic weapons as can be seen from the spec sheets with ratings for 60,000 feet. Usually...
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mordy replied to the thread The Reference 6SN7 Thread.When is says "Amateur", it appears to refer to ham radio. Seems to me that the emphasis would be on clarity of speech. Amateur Radio...
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mordy replied to the thread The Reference 6SN7 Thread.Google has more prosaic explanations… BTW, people often speak of going down the rabbit hole in connection with tubes.
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mordy replied to the thread The Reference 6SN7 Thread.People who know have said that A) tube testers can be easily manipulated to show that a tube measures good and B) that the main...
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mordy replied to the thread Little Dot Tube Amps: Vacuum Tube Rolling Guide.You are right, it would look better with black zip ties than rubber bands, but then I could not move the fans to another amp so easily...
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So far, I have only observed on one tube, a Mullard ECC35 that I have used intensively, dropping from about 88% to 65% emission with an...
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mordy replied to the thread Little Dot Tube Amps: Vacuum Tube Rolling Guide.Well, we old timers are still at it... Here is an amp designed for a 2.5A power tube. An external PC power supply and 15A voltage...
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mordy replied to the thread The Reference 6SN7 Thread.What you are saying is correct. However, I read it somewhere- perhaps related to British English… Rolling back and forth sounds OK to me...
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I read an article a while back (wish I'd saved it) that stated back in the 70's as tubes were being replaced with solid state there were...
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mordy replied to the thread The Reference 6SN7 Thread.The expression “tube rolling״ comes from the rocking/rolling motion needed to remove the tubes from the sockets. However, it evolved...
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mordy replied to the thread The Reference 6SN7 Thread.When a tube turns white it means that it lost it’s vacuum and the silvery getter flash reacts with the air and turns white. The tube has...
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