Horizon Series 300B-AT Vacuum Tube Amplifier Matched Pair (2 Pack)

The 300B-AT distinguishes itself with its uniquely shaped balloon glass envelope, designed to enhance thermal dissipation and preserve a superior vacuum for improved sound quality. This beam power tetrode provides robust, tube-untypical bass, making it an excellent selection for audiophiles and professional users alike. Featuring advanced ceramics and anode technology, this tube delivers a notable increase in power and stability, ideal for demanding audio applications. The 300B-AT incorporates the Horizon series' exclusive HPC-T coating and a base constructed from a novel material. The Horizon series includes newly developed anode coatings.

Under precise voltage and temperature regulation, each vacuum tube undergoes a minimum of 24 hours of burn-in testing prior to leaving the factory. The 300B-AT is recognized for its powerful output and outstanding low-frequency performance, providing a rich and deep sound quality. It delivers a warm and full audio experience, demonstrating profound musical expressiveness