How To Install and Bias Tubes in a Blackstar HT5H Amplifier?

How to Bias Blackstar HT 100 and HT60 Guitar Amplifier

How To Replace Tubes in a Mesa Boogie Amplifier and Do They Sound Better?

Let's fix a Blackstar HT20 1 X 12 Combo

Blackstar HT Club 40 - Circuit Oddities, Tube Socket Woes, & Free Lunch

Blackstar HT Club 40 | A Very Popular Very Frustrating Amp

How to Fix Blackstart HT5 No Output

Blackstar HT5 Can we fix it?

How to Measure Tube Amplifier Plate Current (Biasing) and Actually Understand What You Did

Swapping Valves And Biasing Amplifiers

Mastering Amp Biasing: A quick guide for biasing your valve amp

Blackstar HT20 MKIII - The Blackstar for all Occasions

How to fix a bowed bass guitar neck?

How to fix Blackstar Amplifier Hum HT5 and HT5R

Do It Yourself - How To Change Guitar Pickups (Courtesy of Seymour Duncan)

Spooky Blackstar Guitar Amp Repair

How to Bias Your Amp after Changing the Power Tubes - Revv D25

How to Replace Vox Night Train 50 Watt Head Tubes

How Tube Amplifiers Work, Part 2: The Pre-Amp and Power Amp

Harley Benton PA-100 Attenuator Review & Improvements

Valve Failure! Spot the Warning Signs | Too Afraid To Ask