What's a CHOKE? Is it necessary in a Guitar Amplifier?
In this video, which is the THIRD in our series on this 1959 Guild 66-J guitar amplifier, we will install a choke and change the rectifier tube from a 5Y3 to a GZ34 (5AR4). We'll talk generally about what a choke is and whether it's a benefit to have one in a guitar amplifier. We'll also look at how much a simple change of a rectifier type can affect the voltages inside your amplifier.
Guild Amp PART 1: https://youtu.be/CJenYLb5JjY
Guild Amp PART 2: https://youtu.be/7jnT5OlvWfQ
0:00 Introduction
1:59 RCA Radiotron Designers Handbook
8:15 Choosing a Choke
11:21 Chokes Explained on a Whiteboard
15:22 Installing the Choke
20:00 Testing the Choke Effect on Hum
21:09 Comparing 5Y3 and GZ34 rectifier
#Electronics #Repair #Guitar
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