Title: CQ Magazine 1955: Improving the Class B Driver Post by: Steve - K4HX on March 26, 2021, 11:09:51 AM See attached article for a cathode follower driver for 810 triodes.
Title: Re: CQ Magazine 1955: Improving the Class B Driver Post by: w8khk on March 26, 2021, 01:32:05 PM Steve, that is an excellent reference. I used a similar technique for driving a quad of 1625s in AB2, but used RC coupled audio amplifiers and a phase inverter instead of the driver transformer. The results are stellar! Thank you for your post! AMfone - Dedicated to Amplitude Modulation on the Amateur Radio Bands
Link to my project which shows a very similar technique with the 6SN7 cathode follower: http://amfone.net/Amforum/index.php?topic=46696.0 Feel free to move my thread to the Audio category if appropriate. |