HIVI RT2-PRO Isoplanar (Ribbon) Tweeters
I purchased these about a month ago on eBay for $340 – you can see the ad which is still on eBay. I have been wanting to add some “sparkle” to my Lowther drivers but quickly realized doing this really takes more knowledge (and patience) than I possess. Although they did add to the sound, my neuroses took over and I decided to instead buy a pair of Spatial Audio M3 Turbo S speakers, which are due here any day now. These have never been soldered and look new. Price is $200 including Paypal fees and shipping in US. Here is info from spec sheet:
Overview
High power handling and wide rage response frequency band .No impedance resonance.
Driving force distributes in vibration surface with precision vibration chip which combines of heat-resistant Kapton? Membrane material and heat-resistant conducting electricity membrane, covering about 90% of the chip in 3-way Neodymium magnets.
Rt2-pro has speedy transient behavior and high sensitivity. Linear phase response synchronizing tome delay characteristic improves positioning precision of reproduction.
Highly efficient heat-dispel structure reduces the temperature of the vibration chip in working.
Specifications
Nominal Impedance (Z)(Ω) : 8
Nominal Power Handling (Pnom)(W) : 30
Sensitivity (2.83v/1m)(dB) : 99
Weight (M)(Kg) : 1.06
Magnet System : Neodymium
Recommended Crossover Frequency(Hz) : >2300Hz
