Orion-RT13 (Audax HM130CO with HiVi RT1.3WE)
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 >
ORION by David Rowe
ORION Hello Mike, Just wanted to say thank you for all your help with these speakers. With the world the state is it is right now, I was able to… Read more >
ORION2 – Time and Phase Coherence
Orion2 Audax HM130C0 with Fountek CD3.5H In the Orion, my aim was to achieve time and phase coherence. While I met my objective, I felt I wasn’t getting enough separation… Read more >
ORION – a tribute to Jim Thiel of Thiel Audio
Time & Phase Coherence It is with sadness that Thiel Audio closed it’s doors on January 31, 2018. The man behind Thiel Audio was Jim Thiel, one of the rare… Read more >
Audax HM130C0 Carbon Fiber Cone with Heil AMT
Audax HM130C0 – 5.25″ Carbon Fiber Cone Midwoofer Active Bi-amped The Audax HM130C0 is the most expensive midwoofer that I have. It cost close to $100 each which to me… Read more >
February 4, 2019 Drivers Evaluation, HIFI DRIVERS Read more >
Audax HM130C0 Carbon Fiber Cone 5-1/4″ Midwoofer
Audax HM130C0 Carbon Fiber Cone 5-1/4″ Midwoofer Reference Series HM130C0 RAW Frequency Response HM130C0 Thiele & Small Parameters Sealed Box 3 liters. F3=116Hz. Q=0.72 Sealed Box 4 liters. F3=117Hz. Q=0.64… Read more >