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JeffMann replied to the thread ZMF Aegis Official Thread.I have noted that Wes has a pre-production model where the paintwork on the transformers have a lot of turquoise (bluish-green) color...
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JeffMann replied to the thread Cayin HA-300MK2 (2022) TOTL Transformer coupled Direct Heated Triode Tube HeadAmp (Page 91).Do the 6S5S tubes require a different adapter than the Pinnacle tubes? Jeff.
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JeffMann replied to the thread Cayin HA-300MK2 (2022) TOTL Transformer coupled Direct Heated Triode Tube HeadAmp (Page 91).I have a related question. What effect does deliberate tube mismatching have on the sound quality? For example, let's presume that one...
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JeffMann replied to the thread Cayin HA-300MK2 (2022) TOTL Transformer coupled Direct Heated Triode Tube HeadAmp (Page 91).I have found another source for Pinnacle 6J5GT tubes. https://www.laboratoriomusicale.net/en/6j5gt-pinnacle-nos-triode-tube-selection...
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JeffMann replied to the thread Cayin HA-300MK2 (2022) TOTL Transformer coupled Direct Heated Triode Tube HeadAmp (Page 91).I have a question regarding the Pinnacle 6J5GT driver tubes that I purchased from Langrex. I was reading the following piece by Thomas...
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JeffMann replied to the thread Cayin HA-300MK2 (2022) TOTL Transformer coupled Direct Heated Triode Tube HeadAmp (Page 91).I did extra pay to have them matched. If there are no measurements provided on the box or tube, how do I know that they were matched? Jeff.
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JeffMann replied to the thread Cayin HA-300MK2 (2022) TOTL Transformer coupled Direct Heated Triode Tube HeadAmp (Page 91).I received 4x 6J5GT Pinnacle tubes from Langrex. I requested that the four tubes be matched because I wanted to use them as a matched...
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JeffMann replied to the thread Cayin HA-300MK2 (2022) TOTL Transformer coupled Direct Heated Triode Tube HeadAmp (Page 91).Can these 274b rectifiers be used in a Cayin HA300 amp? Jeff.
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JeffMann replied to the thread Cayin HA-300MK2 (2022) TOTL Transformer coupled Direct Heated Triode Tube HeadAmp (Page 91).You have great influence on me as I have followed your lead in purchasing GEC/Mullard CV6 tubes and Russian 6C8C tubes. So, I have...
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JeffMann replied to the thread Cayin HA-300MK2 (2022) TOTL Transformer coupled Direct Heated Triode Tube HeadAmp (Page 91).How do they sound from a musical timbre/tone perspective? Are they warm or clinical/thin/analytical sounding? Jeff.
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JeffMann replied to the thread Cayin HA-300MK2 (2022) TOTL Transformer coupled Direct Heated Triode Tube HeadAmp (Page 91).I would definitely not recommend any Sophia Electric 300B tube as two of mine failed within <3 months of use. Jeff.
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JeffMann replied to the thread Cayin HA-300MK2 (2022) TOTL Transformer coupled Direct Heated Triode Tube HeadAmp (Page 91).WE and Takatsuki and Elrog are mentioned as 300B tube choices. I know of one very important consideration - the WE 300B tubes have a...
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JeffMann replied to the thread Cayin HA-300MK2 (2022) TOTL Transformer coupled Direct Heated Triode Tube HeadAmp (Page 91).I suspect that it requires a 1.4 - 1.5 mm sized Allen wrench to tighten that set screw in the volume control knob. Jeff.
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JeffMann replied to the thread Cayin HA-300MK2 (2022) TOTL Transformer coupled Direct Heated Triode Tube HeadAmp (Page 91).Could you share your tube rolling impressions of these Raytheon and Westinghouse 22de4 tubes in terms of their sound quality? Jeff.
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JeffMann replied to the thread Musician Audio Aquarius R2R DAC.I own a Musician Aquarius and a Denafrips Pontus II, and I prefer the sound quality of the Denafrips DAC. Jeff.
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