Blackstar HT Club 40 - Circuit Oddities, Tube Socket Woes, & Free Lunch
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Blackstar HT Club 40 Mk II Black & Blue | Giving It a Fair Shake
15:23
Blackstar HT Club 40 | Part 2 : Changing Out the Main PCB
8:51
How to Bias Your Amp Using the Tube Amp Doctor BiasMaster
6:55
How to Bias Blackstar HT 100 and HT60 Guitar Amplifier
3:58
Blackstar HT Club 40 Mk II Black & Blue | The Mystery Bias Revealed
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Preamp Tube Substitutions With Steve Carr
23:37
Vacuum Tubes For Beginners: Power Supplies 1
26:23