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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 »


Adventures in Real Sound with Yazaki-san: Alan-san’s GEC PX25A (DA30) Monaural SET’s - Part 6


Greetings friends! Today I have a real treat for you, the latest installment of Adventures in Real Sound with Yazaki-san: Alan-san’s GEC PX25A (DA30) Monaural SET’s - Part 6.  For those who haven't read the first five articles in Yazaki-san's series and want to catch-up, here are the links: Adventures in Real Sound with Yazaki-san:... Read More »


Adventures in Real Sound with Yazaki-san: Alan-san’s GEC PX25A (DA30) Monaural SETs - Part 5!


It's always a pleasure to hear from friend Yazaki-san about his latest adventures in Real Sound, and in Part 5 Yazaki-san tells us about his latest discoveries with the GEC PX25A monaural amplifiers he built for his friend Alan-san to use with his vintage Altec Corona loudspeakers. I always learn a lot from Yazaki-san's articles,... Read More »


A Guest Article From Mr. Shirokazu Yazaki (Updated): "My Adventure with My Old Marantz Model 7, Part 10"


It is always a pleasure to hear from our good friend Mr. Shirokazu Yazaki. Today Yazaki-san is sharing Part 10 of My Adventure With My Old Marantz Model 7, his ongoing series of articles with us, and telling us about the discoveries he's made during his audio adventures since we last heard from him, and more! Please note... Read More »


Yazaki-san's Ultimate Ruby Mica Capacitor Mod for the SPEC RSA-M3 EX Real Sound Amplifier! Part 3.


It's taken me much longer to try the next level of Yazaki-san's Ultimate Ruby Mica capacitor mod for the SPEC RSA-M3 EX Real Sound Amplifier than I had anticipated, due to the arrival of the Covid-19 pandemic, and its impacts on my life and health. You can read my original SPEC RSA-M3 EX Real Sound... Read More »


Yazaki-san: "Stereo Sound" Altec issue and Ultimate Ruby Mica Capacitors!


It's always exciting to hear from our friend Yazaki-san, and this time Yazaki-san really outdid himself! You all know how much I love my humble vintage Altec loudspeaker collection of the A5 Voice of the Theatre, Corona 832A, and the "Stokowski" Altec's. Well, our friend Yazaki-san sent me a special issue of Stereo Sound from 2006 that... Read More »


Today's Fresh Catch: Yazaki-san's Ultimate Ruby Mica Capacitor Mod for the SPEC RSA-M3 EX Real Sound Amplifier! Part 1.


Today's Fresh Catch is the pair of Ultimate Ruby Mica capacitor's Yazaki-san sent me to try as a mod for the SPEC RSA-M3 EX Real Sound Amplifier. If you read Yazaki-san's article, “My Adventure With My Old Marantz Model 7 Part 8" HERE, you know Yazaki-san was so impressed with the Ultimate Ruby Mica Capacitor's performance... Read More »


A Guest Article from Mr. Shirokazu Yazaki: “My Adventure With My Old Marantz Model 7” Part 8.


As always, it is a pleasure to hear from our dear friend, Yazaki-san, writing to us from Tokyo, Japan, this time with another terrific guest article about his latest audio adventure with his vintage Marantz Model 7 preamplifier. This guest article from Yazaki-san, My Adventure With My Old Marantz Model 7, Part 8, expands upon... Read More »


Adventures in Real Sound with Yazaki-san: Alan-san’s & Harald-san's GEC PX25 monaural SET’s - Part 3!


It's always a pleasure to hear from Yazaki-san, and this article is the third in the series about Yazaki-san's audio adventures with the custom GEC PX25 monaural SET’s! You can read Part 1 HERE, and Part 2 HERE.  Enjoy! ¸¸.•*¨*•♫♪ ¸¸.•*¨*•♫♪ ¸¸.•*¨*•♫♪ Alan-san’s GEC PX25A (DA30) Monaural SET, Part 3: Dedicated to Alan-san and Harald-san One... Read More »


Adventures in Real Sound with Yazaki-san: Alan-san’s GEC PX25 monaural SET’s - Part 2!


With pleasure I offer Yazaki-san's Alan-san’s GEC PX25A Monaural SET's Part 2 for your reading enjoyment! A huge thank you to Yazaki-san and Alan-san for sharing their Adventures In Real Sound with us! ¸¸.•*¨*•♫♪¸¸.•*¨*•♫♪¸¸.•*¨*•♫♪ About “Anzai-san’s” GEC PX25A single-ended tube amplifier, I expressed it in my last article that I was strongly impressed with its very beautiful... Read More »


Preview: Yazaki-san will be telling us all about his experiences hot-rodding the Marantz Model 7 Replica for Roy-san! Update: Listening impressions from Roy-san!


It's always fun to hear from Yazaki-san, and he is staying as busy as ever with audio adventures! In an email I just received from Yazaki-san he told me about how nicely a hot-rodded version of the Marantz Model 7 Replica turned out for Roy-san, and to complement his series "A Guest Article from Mr. Shirokazu... Read More »


Adventures in Real Sound with Yazaki-san: Alan-san's GEC PX25 monaural SET's!


In a special mid-week treat for you, it is with great delight that I welcome back Shirokazu Yazaki to the pages of Jeff's Place to tell us about his latest adventure in Real Sound with his good friend Alan-san! Welcome back Yazaki-san, and thank you for sharing your latest adventure in Real Sound with us - I loved reading about... Read More »


First Impressions: Custom Spec RSP-AZ9EX Real Sound Processors by Yazaki-san for the Vintage Altec 832A Corona loudspeakers!


I think most of you know I've been having a "love at first listen" affair with my vintage Altec Corona 832A loudspeakers that I purchased from LA Jazz Audio. It is a little hard to tell in the accompanying photographs, but the Altec Corona 832A's are fairly large loudspeakers, being about as wide as my... Read More »


Today's Fresh Catch: Custom Spec RSP-AZ9EX Real Sound Processors for the Vintage Altec 832A Corona by Yazaki-san!


It is always such a pleasure to hear from Yazaki-san, he is such a gracious and kind gentleman, and he has more good audio ideas in a day than most of us do in a year! I have a fascinating multi-part story of serendipity and intrigue to relate to you about Today's Fresh Catch, the Spec RSP-AZ9EX Real... Read More »


A Guest Article from Mr. Shirokazu Yazaki: “My Adventure With My Old Marantz Model 7” Part 7.


I am delighted to be able to share with you Part 7 of Yazaki-san's adventure with his vintage Marantz Model 7K preamplifier! I always enjoy reading what Yazaki-san has written, and I always learn a lot from his many insights. I would like to say a very special "Thank you!" to Yazaki-san for taking time... Read More »


A Yazaki-san Adventure: Yazaki-san visits Kritapas-san!


It's always fun to hear about Yazaki-san's adventures, and this time Yazaki-san has shared his adventure of visiting Kritapas-san in Bangkok, Thailand! ¸¸.•*¨*•♫♪¸¸.•*¨*•♫♪¸¸.•*¨*•♫♪¸¸.•*¨*•♫♪ Dear Jeff-san, I would like to introduce you Kritapas-san. You can see Kritapas-san's graceful and warm heart from his shining smile at one glance. He is a banker, traditional Thailand bank's responsible member... Read More »


A Guest Article from Mr. Shirokazu Yazaki: “My Adventure With My Old Marantz Model 7” Part 6!


It is always a pleasure to bring you posts from Yazaki-san for his article “My Adventure With My Old Marantz Model 7”. Thank you, Yazaki-san, for taking time to write this article and share your substantial audio wisdom with us, it is very much appreciated by me, as well as all of us here at Jeff’s... Read More »


A Guest Article from Mr. Shirokazu Yazaki: “My Adventure With My Old Marantz Model 7” Part 5!


It has been my great pleasure to bring you posts from Yazaki-san for his article “My Adventure With My Old Marantz Model 7”. Thank you, Yazaki-san, for taking time to write this article and share your substantial audio wisdom with us, it is very much appreciated by me, as well as all of us here at... Read More »


A Guest Article from Mr. Shirokazu Yazaki: “My Adventure With My Old Marantz Model 7” Part 4!


It has been a great pleasure to bring you posts from Yazaki-san for his article “My Adventure With My Old Marantz Model 7”. Many thanks to Yazaki-san for taking time to write this article and share his substantial audio wisdom with us, it is very much appreciated by me, as well as all of us here... Read More »


Jeff checking in ... important update!


My morning started off with a bang today when I got a couple of text messages from my buddy Dave about a yard sale and an estate sale with some pristine records in it - thanks, Dave! I jumped in my Leaf and headed out to check the sales out, and I made quite a... Read More »


A Guest Article from Mr. Shirokazu Yazaki: “My Adventure With My Old Marantz Model 7” Part 3.


It is my great pleasure to bring you the third post for the article that Yazaki-san is writing for us, “My Adventure With My Old Marantz Model 7”. Many thanks to Yazaki-san for taking time to write this article and share his wisdom with us, it is very much appreciated by me, as well as all... Read More »


A Guest Article from Mr. Shirokazu Yazaki: “My Adventure With My Old Marantz Model 7” Part 2.


In my earlier blog post I introduced Mr. Shirokazu Yazaki to those of  you who are new to Jeff's Place, and for the rest of you Yazaki-san needs no introduction, as you have been following the illuminating audio adventures with Yazaki-san for quite some time now. I met Yazaki-san back in early 2015 while I was preparing the article about... Read More »


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