Little Sister [v1.0] <macOS>

Is this a tube going bad in my little sister's speaker? - Facebook

The Friedman Little Sister [v1.0]: A Masterclass in Vintage Tone Little Sister [v1.0]

While the JEL-20 offers two channels for more flexibility, many purists argue the Little Sister has the superior raw tone of the 20-watt lineup. Is this a tube going bad in my little sister's speaker