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Audio and Video Talk
Vinyl
6L6GC EL34 Single Ended Tube Amplifier
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<blockquote data-quote="Mars" data-source="post: 150586" data-attributes="member: 817"><p>The amp is playing in the study and sounding very good. It has a very full sound with a lot of bass, especially with the switches on the "pentode" setting. The screen grids are tapped at 25%, so the sound is 75% pentode. I am also using the OPT secondary winding for cathode feedback.</p><p></p><p>The power supply settles at 400V with about 368VDC on the 6L6GC between anode and cathode. The 6L6's are running at 25watts dissipation (32V over the 470 ohm cathode resistor). The 6DJ8's have about 220V on top of the totem pole.</p><p></p><p>I hear no hum. The sound is crystal clear, but the amp needs a few hours of good music to get to that smooth sound I like so much. The cathode caps have not been by-passed (every other electrolytic has been bypassed with polyprop caps). I am waiting to do this later, to hear the difference.</p></blockquote><p></p>
[QUOTE="Mars, post: 150586, member: 817"] The amp is playing in the study and sounding very good. It has a very full sound with a lot of bass, especially with the switches on the "pentode" setting. The screen grids are tapped at 25%, so the sound is 75% pentode. I am also using the OPT secondary winding for cathode feedback. The power supply settles at 400V with about 368VDC on the 6L6GC between anode and cathode. The 6L6's are running at 25watts dissipation (32V over the 470 ohm cathode resistor). The 6DJ8's have about 220V on top of the totem pole. I hear no hum. The sound is crystal clear, but the amp needs a few hours of good music to get to that smooth sound I like so much. The cathode caps have not been by-passed (every other electrolytic has been bypassed with polyprop caps). I am waiting to do this later, to hear the difference. [/QUOTE]
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Audio and Video Talk
Vinyl
6L6GC EL34 Single Ended Tube Amplifier
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