Theory & Design

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Topics	Statistics	Last Post
Sticky: making sure I understand OT secondary ground by dmartn149 Started by dmartn149, 08-31-2019, 08:08 PM	9 responses 2,888 views 0 likes	Last Post by sparkies 02-10-2024, 03:47 PM
Paralleled triode first gain stage: Spitfire and 18 watt by Silvio55 Started by Silvio55, 03-08-2013, 03:54 PM	2 responses 1,469 views 0 likes	Last Post by Silvio55 03-11-2013, 04:18 AM
50Hz Hum in Plexi Build by shocki Started by shocki, 03-07-2013, 08:38 PM	11 responses 2,377 views 0 likes	Last Post by Gingertube 03-10-2013, 09:10 PM
MV in Plexi build. Supposed to sound like this? by shocki Started by shocki, 03-09-2013, 06:04 PM	5 responses 1,410 views 0 likes	Last Post by Chuck H 03-09-2013, 08:19 PM
contemplating shared dropping resistor on LTPI plates by imaradiostar Started by imaradiostar, 03-08-2013, 05:30 AM	9 responses 1,455 views 0 likes	Last Post by loudthud 03-08-2013, 10:48 PM
Help understanding varying power output measurement from tube-swaps in a 70s Model T by jamesmafyew Started by jamesmafyew, 03-02-2013, 05:46 PM	11 responses 2,016 views 0 likes	Last Post by jpfamps 03-07-2013, 08:23 PM
Has anybody ever try the diode trick? by Dandrix Started by Dandrix, 01-30-2013, 11:51 PM	16 responses 2,769 views 0 likes	Last Post by trobbins 03-07-2013, 07:39 AM
Capacitors in series by Tage Started by Tage, 03-03-2013, 10:49 PM	6 responses 1,494 views 0 likes	Last Post by J M Fahey 03-07-2013, 04:55 AM
Getting a power supply from the heater windings - a long and winding road. by R.G. Started by R.G., 03-05-2013, 07:01 PM	15 responses 2,065 views 0 likes	Last Post by Enzo 03-06-2013, 07:44 PM
Resistors to ground or in signal path before gain stages? by shocki Started by shocki, 03-04-2013, 09:35 AM	15 responses 2,546 views 0 likes	Last Post by Gingertube 03-06-2013, 02:51 AM
small signal pentodes, no Ck, Cg2 connection??? by jimboyogi Started by jimboyogi, 03-05-2013, 11:05 PM	2 responses 1,437 views 0 likes	Last Post by jimboyogi 03-06-2013, 01:20 AM