RickyLee's Recent Activity

  1. RickyLee replied to the thread Pete , Betting you can answer this 6101 question quick.

    Does doing this swap change where the NFB loop is then taking its signal from? As in that internal connector that is the alternate...

    Jan 22, 2021 at 5:30 AM
  2. RickyLee replied to the thread AC Elevated Heaters . . . ..

    I will try to sketch something and figure out how to get it to you. Might have to draw it, take pic, email it to you. One heater alone...

    Jan 22, 2021 at 12:20 AM
  3. RickyLee replied to the thread AC Elevated Heaters . . . ..

    What you referring to in series? Heater filaments and a relay on same rectifier? There is only a relay coil on there now. Nothing else....

    Jan 20, 2021 at 11:58 PM
  4. RickyLee replied to the thread AC Elevated Heaters . . . ..

    I was thinking the MK 5? Maybe I mixed it up with another. Was looking at so many that my head was looping after awhile. Will have to go...

    Jan 20, 2021 at 10:39 PM
  5. RickyLee replied to the thread JFC....2203x mod failure...hmmmm.

    I have an '82 4010 that has the older lower voltage power xfmr. When I built my PlexiRod, I used a dual HT secondary power xfmr. I can...

    Jan 20, 2021 at 6:31 PM
  6. RickyLee replied to the thread JFC....2203x mod failure...hmmmm.

    Oh yeah. It was not finished at that point. But that's what I got from trying to cram two iconic high gain amp circuits that are polar...

    Jan 20, 2021 at 6:23 PM
  7. RickyLee replied to the thread AC Elevated Heaters . . . ..

    In that full wave circuit I posted above, why did I see 50VDC on the out before adding the capacitor? Add the cap and was at 6.4VDC....

    Jan 20, 2021 at 6:14 PM
  8. RickyLee replied to the thread AC Elevated Heaters . . . ..

    This is what I tried basically. R2 would be my 12AX7 heater and then also figure a 10,000uF cap in parallel with R2 as well. This is not...

    Jan 20, 2021 at 6:10 PM
  9. RickyLee replied to the thread AC Elevated Heaters . . . ..

    Well, like we discussed as you mentioned I should be fine with seven 12AX7 and two KT66 on a 5A tap. I usually factor 400mA with a 12AX7...

    Jan 20, 2021 at 3:04 AM
  10. RickyLee replied to the thread AC Elevated Heaters . . . ..

    Wish I could crank it up. I do not have a studio/work shop and we have a little grandchild living here. Then with this virus crap, the...

    Jan 20, 2021 at 2:02 AM
  11. RickyLee replied to the thread AC Elevated Heaters . . . ..

    lol I don't have wires on open comp. I was moving the 5V tap wires around experimenting with areas where it actually canceled out all...

    Jan 20, 2021 at 1:04 AM
  12. RickyLee replied to the thread AC Elevated Heaters . . . ..

    I need to try hooking up the relay coil. But at this point I am wondering if having this second bridge rectifier near my HT rectifier is...

    Jan 19, 2021 at 8:04 PM
  13. RickyLee replied to the thread AC Elevated Heaters . . . ..

    Quite interesting how my 5VAC tap wires can affect noise or even cancel some out depending on where I place them. I have them twisted...

    Jan 19, 2021 at 5:11 PM
  14. RickyLee replied to the thread The Widowmaker . . . . ..

    There have been some deaths by electrocution while playing live onstage in the past. I got a good jolt one time just flipping the power...

    Jan 19, 2021 at 3:27 AM
  15. RickyLee posted a new thread.

    The Widowmaker . . . . .

    Dam that River. This is a new one to me lol. https://www.tropicalfishvintage.com/blog/widowmaker-amplifiers-explained

    Forum: The Workbench

    Jan 19, 2021 at 1:36 AM