A good alternate title for this post would have been "The Real Sound Education of Jeff Day" because that is the result of Yazaki-san's and Ron-san's influence on me during...
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Jeff checking in ... Arizona Capacitors, Tepro, Schick re-wire, and music!
I sure have been busy lately, it seems, and I haven't been able to keep up with the blog posts I've been wanting to write for you, or to respond...
Belden 8402 microphone cable interconnects and Best-Tronics Pro Audio!
This post is a reminder to all of you - and to me - that you don't have to spend huge amounts of money to get high-performance interconnects. It's easy...
Meditations on High-Fidelity: Andy Moore shares his audio insights from the Land Down Under!
Andy Moore traveled all the way from Australia to Seattle for a work-related conference, and while in the Emerald City, Andy made a 400 mile plus side trip to stop...
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...
Adventures in Real Sound with Yazaki-san: Alan-san’s GEC PX25A (DA30) Monaural SET’s - Part 4!
It's always exciting to hear from our good friend, Yazaki-san, and in this article Yazaki-san brings us more illuminating insights as he discusses the GEC PX25A (DA30) monaural SETs that he...
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...
Sneak Preview: The Sophia Electric EL34-ST and Aqua 274B Vacuum Tubes Article for Positive Feedback!
I'm hard at work listening and writing this weekend for my article about the Sophia Electric EL34-ST and Aqua 274B vacuum tubes for Positive Feedback. I hope to be finished up...
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...
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...
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...
A Duelund Coherent Audio Saturday at Jeff's Place! OMG!!!
Like usual, I've been up since 4 a.m. this Saturday morning writing like a crazed man so I can get the Duelund Coherent Audio DCA16GA premium tinned-copper cable article finished up...
Yazaki-San Checking In: The Adventures in Real Sound Continue!
It's always a pleasure to hear from the delightful Yazaki-san about his ongoing audio adventures, and this time Yazaki-san is checking in from Bangkok while visiting Nattawut-san and Tanawat-san. "I hope you are...
A5 VOTT Project, Western Electric WE16GA, Belden 8402, Duelund DCA16GA, Red Astron, and a Woody SPU! Update.
Last week was a rough week, so it was especially sweet to relax on Saturday, and work through some listening tests with the A5 Voice of the Theatre Project, Western Electric WE16GA wire, Belden 8402...
Duelund DCA16GA on the Altec 16 Ohm 515B Alnico drivers in the 825B bass horns, and now with a little 1005B 10-cell horns & 288C Alnico high-frequency compression drivers action thrown in.
After writing my last post, I got all excited about wiring up my A5 VOTT's Altec 16 Ohm 515B Alnico drivers in the 825B bass horns with Duelund DCA16GA wire. First...
Today's Fresh Catch: Red "Astron" Style Capacitors from Jupiter Condenser
I have really been having a lot of fun listening to various capacitors in my vintage McIntosh MX110Z tuner-preamplifier. At the moment the vintage Sprague Bumblebees are at the top of my list...
The Vintage McIntosh MX110Z Adventure Meets Vintage Sprague Bumblebees!
After getting up this fine Saturday morning, while drinking a couple cups of my favorite coffee from Stumptown Coffee Roasters, I set about pulling off the bottom of my vintage vacuum tube...
Today's Fresh Catch: Bumblebees & Tropical Fish
If you read my recent post about tone capacitors you know there are three vintage capacitors that are very highly regarded for their tone, the Sprague Black Beauty, the Sprague Bumblebee, and the Mullard Tropical Fish, and...
The Altec A5 Voice of the Theatre project progresses ... and other stuff! (now with more updates)
I had a nice day of music listening yesterday afternoon with Leo, Pete, and Ron, as we did some listening comparisons with the Altec A5 Voice of the Theatre loudspeakers and their...
The Vintage McIntosh Resistor Adventure Continues (and other stuff)!
While doing the vintage McIntosh MX110 tuner-preamplifier adventure we experimented with several brands of new & NOS metal film resistors in the circuit in various places, but basically I always ended up...
Jeff checking in ... a look into the crystal ball: the past, present, and future!
The Vintage Beat It sure has been a wonderful experience dipping my toe into the waters of vintage hi-fi gear, like with my original Garrard Project (1, 2, 3) articles:...
The Vintage McIntosh MX110 Adventure: OMG! Up Next - The A5 VOTT Project!
Ron-san and I got together today to celebrate the joys of audio & music and to listen to the latest iteration of our Real Sound Adventure with the vintage McIntosh MX110...
The Vintage McIntosh MX110 Tuner-Preamplifier Adventure: The Tepro Transformation!
Have you ever woken up in the middle of the night with a major revelation? In my case my major revelation came at 2:53 a.m. last night, according to the screen...
The Vintage Beat: Audio Research SP-6B, Harmon Kardon Citation 1, and McIntosh MX110 Preamplifiers
Ron, Leo, and I got together to do a little listening to a variety of vintage preamplifiers last weekend, the Audio Research SP-6B, the Harmon Kardon Citation 1, and the McIntosh...
The Vintage McIntosh MX110 Adventure: Allen Bradley & the Naked Ladies
If you've been reading along about our real sound adventures with my vintage McIntosh MX110Z tuner-preamplifier, you know the modifications we did threw us a curve ball, and the resulting performance after our...
Jeff Checking In & Previews of Coming Attractions!
It has been bitterly cold here in my part of the Pacific Northwest until this last week, when temperatures soared into the high 40's and low 50's (Fahrenheit). The skiers...
A Listening Adventure: A Trio of Modified Vintage McIntosh MX110 Tuner-Preamplifiers
Ron, Leo, and I got together last weekend to listen to a trio of vintage McIntosh MX110s variously modified by Ron-san with Real Sound modifications as suggested by Yazaki-san, which are similar...
A 'Real Sound' Adventure with the Vintage McIntosh MX110 Tuner-Preamplifier
As you know if you've been reading along, I've been flabbergasted with how incredibly musical the vintage McIntosh MX110 tuner-preamplifier is, and if you haven't yet read my The Vintage McIntosh Experience article...
Morning Coffee with the Maestro's VOTTs & Thoughts on Vintage Tone
My Maestro's VOTTs & SPEC RSA-M3 EX Real Sound Amplifier room has become my go-to coffee nook in the morning. I've developed a week-day ritual of rolling out about 4:30 a.m. and firing up the...
A Real Sound Adventure With the Vintage McIntosh MX110Z
If you read The Vintage McIntosh Experience article in Issue 77 of Positive Feedback you know I'm a big fan of the vintage McIntosh MX110Z tuner-preamplifier. The MX110Z makes vinyl & FM sound...
Another Akihabara Adventure: Yazaki-San Reporting from the "Tube Audio Show " in Akihabara in Tokyo (more show photos added)
Immediately after posting about Gary Bronner's adventure at Sun Audio in Akihabara, I received a delightful message from Yazaki-san to Gary Zabel & Daryl Stahler at Arizona Capacitors & me...
Yazaki-san checking in ... DA30 DH-SET monaural amplfiers!
I just heard from Yazaki-san, and he sent me some photographs of the DA30 SET monaural amplifiers he made for his friend Ookubo-san, and they're so beautiful I wanted to share...
"You will soon meet a life long kindred spirit."
That's what the message inside of my fortune cookie said, "You will soon meet a life long kindred spirit." It's fun to have a good meal at a Chinese restaurant...
The Great Capacitor Adventure! The aroma of solder is in the air!
If you've read my review of the SPEC RSA-M3 EX Real Sound Amplifier in Positive Feedback Online in Issue 78, you know how interesting I found the high-fidelity adventures of Mr. Shirokazu Yazaki to...
Review: The SPEC RSA-M3 EX 'Real Sound Amplifier'
The SPEC RSA-M3 EX Real Sound Amplifier from Japan By Jeff Day Most regular readers of Positive Feedback Online know of my long-time passion for vacuum tube electronics....
Today's Fresh Catch: The SPEC RSP-901EX 'Real Sound Processor'
Today's Fresh Catch is the SPEC RSP-901EX Real Sound Processor. On my way home from the laboratory last night I picked up a parcel from the post office containing the SPEC...
