08:59

The Ethereal Balance of Bias and NFB in the SE Amplifier

09:32

NFB And The Single Ended Amplifier Harmonic Profile

19:17

Phase Shift And NFB In The SE Amplifier

17:04

Frequency Contouring The Single Ended Vacuum Tube Amplifier

41:51

807 Stereo SET "Little Jewel" Amplifier

05:48

Determine Best Orientation Of Output Transformer to Power Transformer In Audio Amplifier

14:32

"Little Jewel" Stereo SE Amplifier Initial Layout

22:53

SE 807 "Little Jewel" Amplifier Square Wave Measurements

07:00

A Salute To The Venerable 807 Vacuum Tube

12:05

807 Single Ended Amplifier Project - The "Little Jewel" - Schematic

12:59

807 Single Ended Amplifier Project - Part 5 - Measurements

05:38

807 Single Ended Amplifier Project - Part 4 - With Music

06:34

807 Single Ended Audio Amplifier Project - Part 3

19:07

807 Single Ended Audio Amplifier Project - Part 2

25:36

807 Single Ended Audio Amplifier Project - Part 1

06:57

Homebrew Amateur Radio Transmitters

16:52

HP 536-A Frequency Meter & NanoVNA Measurements

02:10

Troubleshooting PC Boards With Heat & Cold

16:00

High Voltage Panel Meters Checkout

15:19

Preamp For Astatic D-104 Microphone For Vintage Radios

09:03

Triode Gain And Grid Structure

14:20

PJ MIAOLIA SA-1000 Vacuum Tube Preamp with GE JAN 5670 Tubes

21:32

Russian KT77, British EL34, German EL34, Russian KT66 Harmonic Profiles

17:18

British Sound EL34 vs American Sound KT88

13:43

PL-259 Connectors on RG-400 or RG-58 Coax Cable

11:08

Tickling The Dragon's Tail

17:47

McIntosh MC225 Quick Review

10:38

T/R (Transmit/Receive) Switch External Control Box For "SEND" Connections

08:19

Bird Power Analyst 4391 Quick Overview

19:58

Building A Demodulator To Monitor AM and SSB Transmissions

08:55

Grounded Grid, Class-C, Plate Modulated AM Transmitter Using Eimac 3-400Z High mu Triode

22:13

General Radio (Genrad) Model 1666 Precision DC Ohm Meter

26:11

Fender Blue Junior III "tinnitus" Issue

35:23

Stereo Williamson 7591 Amplifier Repair

12:33

Plate Modulating The Mighty 833A

19:32

Checking Modulation On An AM transmitter Using Two Different Speech Amplifier Drivers.

20:59

High Voltage Megger Used To Check Capacitors

22:46

Radio Transmitter High Voltage Transformer Repair/Replacement

23:45

Svetlana SV572-10 SET Amplifier Before Rebuild

22:03

Vacuum Tube Gain & Gm Calculations & Some Insight Into Transformer Inductance and Impedance

35:10

Heathkit WA-1 Audio Amplifier Performance Using 5V4, 5U4, Solid State & Mercury Vapour Rectifier

42:00

Revisiting the McIntosh MC40 Amplifier

10:42

Mercury Vapor Rectifiers and Hash

03:53

Cleaning RCA Connectors And Vacuum Tube Sockets

06:11

First Attempt at Hydrogen Line Detection at 21 CM

02:21

Moon Test

02:50

Moon Test 8-6-2022

21:03

A First Radio Telescope For The 1.42 GHz Range

26:07

Microwave Antennas & 21 cm Radio Telescope (1420 MHz)

27:51

1.42 GHz Hydrogen Line Resonate Frequency Radio Astronomy & The Search For ET

01:08:14

For My Marilu

49:47

AM (Amplitude Modulation) Radio Transmitters From The Ground Up

22:18

Checking Out Some Beautiful Eimac 304 TH Tubes

46:54

Williamson Stereo Amplifier Using 7591 and Stereo 300B Amplifier Compared

07:14

Emotiva BasX TA1 Receiver Power, THD & Frequency Response Quick Test

50:25

Antenna Tuner (Ultimate Transmatch) from ARRL 1970

32:13

Electret Microphone Elements for All Microphones Frames

11:29

Electret Microphone Gain Adjustment Made Simple

21:06

Astatic D-104 Rebuild & Update To Condenser Microphone

34:23

Collins 30S-1 S/N 206 and Henry 2K RF Amplifier Restore