Linear Tube Audio makes an excellent sounding amp that runs cool. Tube life is said to be 20 years or more.
Also Carver has its Crimson 275 that runs its tubes at about 1/3 the current of other amps. You can actually put your hand on the power tubes without getting burned.
Also Carver has its Crimson 275 that runs its tubes at about 1/3 the current of other amps. You can actually put your hand on the power tubes without getting burned.