Loading...

Positive Feedback Logo

Jeff Checking In: Acoustic Revive, Audio Note (UK), iPhone Adventure, audio centrism or audio relativism (?), and other stuff!


Greetings friends, I hope you are doing well! 🙂  I love getting out on two wheels for a little exercise (bicycles) and a little exploring (motorbikes). The Spring weather up until now has been kind of erratic with rain, wind, cold, and heat, but I've been able to get in enough two wheel action on... Read More »


Listening: My iPhone Adventure with Yazaki-san's Improved U4! Part 1.


Greetings friends, I hope you are doing well! I really love my A-V system that's based on vintage Altec A5 Voice of the Theatre loudspeakers. There's just something really fun about watching a movie with actual movie loudspeakers from the early days of movie theaters.  My Altec A5s have crossovers based on Jean Hiraga’s superb... Read More »


Today's Fresh Catch: iPhone Adventure with the Improved U4 by Yazaki-san!


I hope you've had a chance to read through the latest article by Yazaki-san, A New & Exciting Audio Adventure from Yazaki-san: The iPhone Adventure!, where he describes the fun that he and friends have been having with their iPhone Adventure and the "Improved U4" Bluetooth/USB DAC.  As I mentioned in Yazaki-san's latest article, I... Read More »


A New & Exciting Audio Adventure from Yazaki-san: The iPhone Adventure!


I have an exciting DIY audio & music adventure to share with you that was developed by Mr. Shirokazu Yazaki and Mr. Jun Honda: The iPhone Adventure.  However, before I share Mr. Shirokazu Yazaki's latest audio adventure article with you, I thought it would be a good time to reintroduce him, as many of you... Read More »


Jeff's Categories