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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 »


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's Ultimate Ruby Mica Capacitor Mod for the SPEC RSA-M3 EX Real Sound Amplifier! Part 2.


I got a chance to do a little A-B listening evaluation of Yazaki-san's Ultimate Ruby Mica capacitor mod for the SPEC RSA-M3 EX Real Sound Amplifier, with the added bonus of a group of friends weighing in on the results. As you might remember from Part 1, Yazaki-san had sent me a pair of his... 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 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 »


In Pursuit of the Art of Tone! Part 2.


In Pursuit of the Art of Tone, Part 1, I discussed learning how to pursue a style of musicality for your hifi that lights up your heart & mind to transport you into a state of musical bliss during listening. I mentioned that I believe that there is no absolute sound that is best for every... Read More »


In Pursuit of the Art of Tone! Part 1.


This post is not about the vintage-style 22-gauge Gavitt tinned-copper pushback wire from The Art of Tone electric guitar store that I used to build some very musical sounding headshell leads and a USB interconnect from. Rather, it is about the pursuit of a style of musicality for your hifi that lights up your heart & mind... 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 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 »


A Guest Article from Mr. Shirokazu Yazaki: "My Adventure With My Old Marantz Model 7" Part 1.


As I alluded to in my earlier blog post, while I was traveling in Eastern Europe over the last few weeks, I received a message from Mr. Shirokazu Yazaki in Tokyo, Japan, about an article he has been working on for some time now for the readers of Jeff's Place, and one that I was very... Read More »


Jeff checking in ... Lefson review is done, Duelund DCA20GA, and a look forward through the crystal ball!


It has been a busy audio weekend, and I'm trying to get caught back up after Jeff's Place going down due to the hacking event last week. The good news is that you've encouraged me to keep going with Jeff's Place for the foreseeable future. I was pretty discouraged after the hacking event, but with all... Read More »


A look into the future through the audio crystal ball! Part 1 - Duelund!


There's so many good audio things happening right now I thought I'd better write a quick survey for you about all the things that are in play, and my 'roadmap' for writing about it all in the near future. ¸¸.•*¨*•♫♪¸¸.•*¨*•♫♪¸¸.•*¨*•♫♪ As you know, the last year or so has resulted in a significant revelation for me... Read More »


A New Adventure With Yazaki-san! Update #2.


It's always wonderful to hear from Yazaki-san, and he's always got some great ideas for audio adventures! A week or so ago Yazaki-san told me: Dear Jeff-san, I have a plan to send you a pair of resistors and also a pair of reproduction WE18GA wire for power cables. The resistors are prepared for the... Read More »


Music, Real Sound, and Vintage Tone! Update.


2016 is rapidly coming to a close, and if two words could sum things up for 2016 here at Jeff's Place, it would be 'tinned-copper', with 'Real Sound' and 'Vintage Tone' coming in as a close tie for second place. It has been a remarkable year of musical revelation for me as I've been meditating on all... Read More »


The A5 VOTT Project Commences: Resistors and capacitors, and inductors, oh my!


I am delighted to say that the vintage Altec-Lansing A5 Voice of the Theatre Project is now moving forward again! In the first phase of the project I commissioned Gary Fischer to restore a vintage pair of Altec-Lansing A5 Voice of the Theatre loudspeakers, which I described in three parts: Part 1, Part 2, and Part 3.... Read More »


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