Two Power Tubes That Aren’t There: The Keeley 1962x and the Long Shadow of a Marshall Combo
Keeley 1962x Overdrive guide: KT66 vs KT88 modes, specs, Jesse Johnson's verified Grammy tone, settings, comparisons and used-buying advice for 2026.
KT88
When Hindu Mythology Met KT88 Tubes: The Bogner Shiva 20th Anniversary
Bogner Shiva 20th Anniversary: KT88 specs, verified player history, five tone recipes, used buying guide, and FAQ for this discontinued boutique head.
Supersonic and Then Some: The Bogner Überschall Twin Jet and the Amp That Needed More of Everything
The Bogner Uberschall Twin Jet: discontinued 150W KT88 two-channel head with no clean channel. Specs, verified players, tone recipes, and used market guide.
