Видео с ютуба Power Tubes

GoFit Power Tubes

Guitar Amp Tubes Part 2: Pentodes and Beam Tetrodes

How Vacuum Tubes Work

How Tube Amplifiers Work, Part 1: The Power Supply

Power tube going wrong: how it looks and sounds like.

Guitar Myth Busting: Tubes Change The Amp's Tone At All?

Как продлить срок службы ламп вашего усилителя! Доктор З. АМА!

'Are My Valves Ok?' How To Troubleshoot Potential Valve Issues

Guitarist's Beginner Guide to Power & Preamp Tubes: Guitar Tone Tweaks Made Easy!

Do power tubes REALLY matter for guitar tone?

6 Guitar Power Tubes Comparison

How to identify a Bad Power Tube with crackling noise

Simple tests for Tubes with a Multi Meter

Revealed : The Secret Tube Amp Power Reduction | Attenuator MOD

Лампы усилителя мощности: стандартные и премиум-класса (переиздания JJ и Genalex Gold Lion)

How to Test the Integrity of Tubes in a Tube Amp (The Wood Pencil Test)

VALVE/TUBE Amp Circuits EXPLAINED! | Too Afraid To Ask

Solid vs Tube Amp

How to Replace Tubes in Your Guitar Amp

Правда о ламповых усилителях, о которой никто не говорит