The product:
Introduced in 2010, the T1 has a closed-back design and features the world's most powerful headphone magnets. Those ubermagnets dramatically improve efficiency and lower distortion. Every subsequent Tesla model has had a closed-back design until the T90 reviewed here was released in June of 2012. It's the first open-back Tesla model.
Introduced in 2010, the T1 has a closed-back design and features the world's most powerful headphone magnets. Those ubermagnets dramatically improve efficiency and lower distortion. Every subsequent Tesla model has had a closed-back design until the T90 reviewed here was released in June of 2012. It's the first open-back Tesla model.





