Fender Blackface ProReverb. Let's repair the hum, make it sound great and learn about amp repairs. скачать в хорошем качестве

Fender Blackface ProReverb. Let's repair the hum, make it sound great and learn about amp repairs.

I call the Blackface Pro Reverb the “Mini Twin”. It has the same DNA as a Twin but with less than half the power at a manageable weight. Perfect for the 21st century! The sound is back to pure Fender Tube Tone Heaven but it arrived with a horrific hum. Let’s repair this together and you may even pickup some tips on the way. If you appreciate the time put into producing this video and got something from it, please LIKE and SUBSCRIBE. Video Index 00:00 Introduction 04:50 External Inspection 07:55 How to fill loose holes in wood cabinet 10:10 How to Date a Fender Amp from the Tube Chart 12:25 Poor Workmanship caused the loud Hum 15:05 What is the purpose of Totem Resistors 24:28 When to change, and when to preserve, Carbon Composition resistors 28:15 Upgrade the Bias Circuit 37:18 How and why test leaking coupling capacitors 44:55 Bias method using the oscilloscope. 53:50 Select the best tube for each position 50:35 The Sound Test of the Fender ProReverb