Robin-DX by Chris McDonald

Robin-DX Michael, I hope that you had a good Thanksgiving. We here in Toronto have just had our first few inches of snow. It seems early but they say that… Read more >
Robin-DX Michael, I hope that you had a good Thanksgiving. We here in Toronto have just had our first few inches of snow. It seems early but they say that… Read more >
HiVi RT1.3WE Isodynamic Planar TweeterFig 1 – HiVi RT1.3WE Frequency Response • Baffle Width=6-3/4″ Black plot=Free Standing Top of Box • Blue plot=Flush Mounted • Red plot=Surface Mounted Fig 2… Read more >
February 25, 2021 Drivers Evaluation, Drivers Thiele & Small Read more >
Orion-RT13 6 Liters Bass Reflex The Orion-RT13 is a compact 2-way based on the Audax HM130CO. This is the best 5-1/4″ mid-woofers I have. The vocal reproduction is incredible. None… Read more >
Hawk-XT3 The Hawk-XT3 is the final version using the HiVi L6-4R with the Peerless XT25TG30-04 ring radiator tweeter. In the XT3, I tuned the Hawk to include the bass. Because… Read more >
Hawk-XT2 The Hawk-XT2 is an update of the original Hawk. The two drivers remain the same, a HiVi L6-4R kevlar midwoofer paired with a Peerless XT25TG30-04 ring radiator tweeter. In… Read more >
Hawk-II In this 2nd version of Hawk, I went all out to control the HiVi L6-4R. The network for the L6-4R is quite elaborate. Apart from a second order filter,… Read more >
Introducing the Falcon-III The Falcon-III is a new addition to my Baffleless Concept Speakers. This time round, the heart of the system is a DMN-A Dome Midrange by HiVi. The… Read more >
HiVi DMN-A Manufacturer’s Frequency Response DMN-A RAW Frequency Response (No Baffle) DMN-A Impedance
why the TN28 It all has to do with using a 1st order crossover. I initially used the Audax TW010E1 because all it needed was a 2uF capacitor. With that,… Read more >
Robin 2.5 Finally got them painted, not great, but finished! And they sound amazing, so far my favorite over all the high end monitors I have. Mark