The F812A dipole acoustics of the Swiss company Officina Tron Audio are made in accordance with the company’s modular concept. Such a column is assembled from three square sections. At the top there is a driver of medium and high frequencies, below-two bass players. In theory, the number of sections can be changed (how exactly-Officina Tron Audio did not report and offered to address such questions personally).
Three square flat screens — one speaker in each-are mounted on an aluminum profile frame. The frame itself was made triangular, rigid and easily disassembled.
The 8-inch wide-band speaker installed in the F812A speaker is a product of the Chinese company Lii audio called Fast-8. On the basis of this driver, as stated in its documentation, you can even make a full-range speaker system.
A pair of basses located under the broadband-products of the American brand Eminence, 12-inch Alpha 12A. The manufacturer positions these speakers as guitar speakers. According to the company, as well as the Fast-8 broadband, they are well suited for dipole systems in their parameters.
Officina Tron Audio offered the F812A speakers in two versions: with and without a crossover. For the novelty, the sensitivity of 93 dB is declared, which will allow it to be used including with a tube amplifier.
The cost of the F812A speakers in Officina Tron Audio is still silent. Separately, one Eminence Alpha-12A speaker costs $70 in the United States, and a pair of Lii audio Fast-8 broadband speakers costs $200.