Sparrow-X (SB Acoustics SB13PFC25-08 with HiVi RT1C-A)
HiVi RT1C-A Planar Isodynamic Tweeter I have the RT1C for many years but never used it much because of the high crossover frequency. It needs to be crossed at 4kHz… Read more >
Swift-X Zaph ZA14 with HiVi RT1C-A Planar Tweeter
The Best of Both Worlds The Swift-X is based on two drivers, a Zaph ZA14W08 Aluminum Cone 5″ midwoofer and a HiVi RT1C-A planar tweeter. Both are outstanding in their… Read more >
Oriole (HiVi RT1C + Tang Band W5-704) Time Aligned
It was in 2010 that I first worked on the Oriole, a 2-way featuring the HiVi RT1C Planar tweeter. In that earlier build, I settled for a 12dB/oct crossover as… Read more >