From the Collings website,
"Our Traditional Series or "T-Series” guitars represent an exciting vintage-inspired tonal variation onthe distinctive Collings sound, designed and crafted to showcase the most desirable characteristics present incoveted pre-war instruments. Bracing and tone woods are adjusted for weight and thickness to create a voicing characterized by warm, rounded highs and a present low midrange, while retaining a quick attack and strong projection."
If you have any questions, feel free to let us know!