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Audio and Video Talk
Valves / Vacuum Tubes
Single Ended 6L6 amplifier
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<blockquote data-quote="Mars" data-source="post: 814733" data-attributes="member: 817"><p>After a few days of pentode SE in the house, I changed the tube socket to octal and the transformer to a 2500ohm:8ohm c-core I rolled a while ago. This time I am exploring triode sound. Pentode is better for more powerful amplifiers that have good screen grid voltage regulation. When that is used with negative feedback, the sound can be very satisfying.</p><p></p><p>The triode sound is immediately appealing, though more laid back compared to the pentode mode with it's power and aggression. The wife prefers it :angrywife: </p><p></p><p>According to the book, I should expect about 1.4watt out of a correctly loaded triode 6L6G at 250V DC. My cathode reistor currently is 470 ohm, and should be reduced to 250 ohm. Maybe a 270ohm would do the job.</p></blockquote><p></p>
[QUOTE="Mars, post: 814733, member: 817"] After a few days of pentode SE in the house, I changed the tube socket to octal and the transformer to a 2500ohm:8ohm c-core I rolled a while ago. This time I am exploring triode sound. Pentode is better for more powerful amplifiers that have good screen grid voltage regulation. When that is used with negative feedback, the sound can be very satisfying. The triode sound is immediately appealing, though more laid back compared to the pentode mode with it's power and aggression. The wife prefers it :angrywife: According to the book, I should expect about 1.4watt out of a correctly loaded triode 6L6G at 250V DC. My cathode reistor currently is 470 ohm, and should be reduced to 250 ohm. Maybe a 270ohm would do the job. [/QUOTE]
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Audio and Video Talk
Valves / Vacuum Tubes
Single Ended 6L6 amplifier
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