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 >
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 >
SB Acoustics SB13PFC25-08 Paper Cone 5″ Mid-woofer I’ve never used a plastic chassis woofer before so it’ll be interesting to see this SB Acoustics SB13PFC25-08 in action. After extracting the… Read more >
Fountek FW168 Frequency ResponseBaffle Width=8.5″. Ported Box=13 liters. Mic at 36ins, woofer axis. Impulse Window=5msec. No Smoothing. Fountek Thiele & Small Parameters Measured Thiele & Small Parameters Ported Box=15 liters… Read more >
Mockingbird-XT The XT is a variation of the original Mockington-TN. This is for the benefit of builders that already have the Peerless XT25TG30-04 tweeter. For those that do not have… Read more >
Fountek FW168 Sonic Signature Before I design anything, I will mount a woofer onto a box and listen to it in it’s raw state, that is, without any crossover. It… Read more >
Zaph ZA14W08 Aluminum Cone 5″ Mid-woofer Thiele/Small Parameters Zaph ZA14 Frequency Response RAW and at 4kHz Low Pass Filter @ 18dB/oct Zaph ZA14 in 13L Ported Box (F3=50Hz) Zaph ZA14… Read more >
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 >
How the Hawk came about I liked what I heard during the auditioning of the L6-4R in an active bi-amped system. I believed that I finally found a woofer that… Read more >
Flush Mounting Much has been discussed about flush mounting drivers onto a speaker box. Is it just for looks or do speakers really sound better? Before I proceed further, I… Read more >
With 24dB/oct electronic crossover In this second test, a Peerless XT25TG30-04 is used in place of the budget BC25TG15. The XT25TG30 is one of the best tweeters in the $30… Read more >