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A look into the future through the audio crystal ball! Part 4 – A New Vintage McIntosh Adventure with the C-8 - OMG!


It's always exciting to start a new audio adventure with vintage hi-fi electronics, and I'm particularly excited about my new vintage audio adventure with the vintage monaural McIntosh C-8 'Professional Audio Compensators' as McIntosh called them, or phono preamplifiers, as the rest of us call them. I read where the original principals at McIntosh thought... Read More »


A look into the future through the audio crystal ball! Part 3 – Yazaki-san and Western Electric & Vintage McIntosh!


As I posted earlier, I'm really looking forward to trying friend Yazaki-san's ideas for modifying my vintage McIntosh MC30 monaural amplifiers. It's always fun doing audio adventures with Yazaki-san, as his insight, knowledge, and experience have really changed the way I think about audio performance, and for voicing my system at the 'DNA level' using resistors,... Read More »


Today’s Fresh Catch: The Latest AC Power Supply Wonders from Acoustic Revive! Part 2, the Acoustic Revive Power Reference TripleC NCF AC Power Cord!


I introduced you to the Acoustic Revive RPT-6 Absolute in Part 1 of this post, which allows up to six AC power cords to be plugged into it, which is enough to serve as a central point to coordinate all the AC power cords for my entire system, with two extra outlets to allow for a pair... Read More »


A look into the future through the audio crystal ball! Part 2 – Lefson!


As I mentioned in Part 1 of this post, 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, culminating with my ‘roadmap’ for writing about it all in the near future. ¸¸.•*¨*•♫♪¸¸.•*¨*•♫♪¸¸.•*¨*•♫♪ I introduced Xavier Lefebvre and Lefson Analog... 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 »


Today's Fresh Catch: The Latest AC Power Supply Wonders from Acoustic Revive! Part 1, the RPT-6 Absolute.


As I mentioned in my article for Positive Feedback about the Acoustic Revive RPC-1 Power Supply Conditioner, I am always intrigued when I get a message from Yoshi-san or Elia-san from the MuSon Project in Osaka, Japan, who export Japanese audio exotica to The World. Every time I get a message from Messrs. Hontani I get... Read More »


Today's Fresh Catch: The OPPO UDP-203 Ultra HD Blu-ray Disc Player


While I was working on the review of the Lefson resistors, the elderly OPPO BDP-83 Blu-Ray player that I was using for my reference digital source in my A5 Voice of the Theatre system quit working. I disassembled the BDP-83 and determined that the transport, which had been acting up for quite a while, finally died. The... Read More »


A Saturday Morning 100R Lefson Supra R4 Adventure, and More 10R Lefson Premium R5 Impressions!


What do you do when you wake up at 2:30 a.m. with your mind working overtime about all the possibilities in life? My approach this morning was to fire up the espresso machine, have a double shot, and then continue with the Lefson resistor adventure! I listened again this morning to the 10R Lefson Premium silver/carbon resistor in... Read More »


Lefson High-End Analog Audio Devices from France: A Lefson Resistor Adventure!


If you read my previous Lefson post about the Lefson resistors provided to me by Xavier Lefebvre, who owns and operates Lefson, you know that I am gearing up to write about the three lines of custom and hand-crafted Lefson resistors for Positive Feedback. I asked Xavier if he would tell us a little bit about himself... Read More »


Some more Duelund tinned-copper tone-wire news!


First off I want to give a shout out to one of my audio heroes, Jim Smith, who gave Jeff's Place and Duelund DCA16GA a mention on his blog, Get Better Sound, is this issue of his Quarter Notes news letter: "Jeff Day is a trouble-maker! He keeps finding things that I have to try.... Read More »


I've got some Duelund tinned-copper tone-wire news!


I've got good news! I just heard from Chris at Parts ConneXion and he told me that he's now stocking the Switchcraft 3502AAU RCA plugs at the same price as Mouser ($3.99 USD each) to offer an affordable alternative for those wanting to build DIY interconnect needs. I also just heard from Frederik Carøe at... Read More »


Lefson French High-End Analog Audio Devices: The Lefson Resistor!


I received a message from Dr. David Robinson, Managing Editor of Positive Feedback, asking me if I could write about the three new ranges of carbon/silver audio resistors from Lefson in Wormhout, France, and he put me in touch with owner Xavier Lefebvre so we could talk about the possibilities. Lefson makes an impressive array of high-performance... Read More »


Coming Up: Duelund & Belden Tinned-Copper Interconnect & Speaker Cable Listening Impressions! Update 1.


This weekend I'm hoping to get in some more listening time with the various wire adventures I've got cooking, so hopefully I can share some more listening impressions with you before too long. It's already shaping up to be a busy weekend, but hopefully I'll be able to get some writing in for you. Keep checking in on... 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 »


Acoustic Revive RPC-1 Power Supply Conditioner Review Now Live at Positive Feedback!


My review of the Acoustic Revive RPC-1 Power Supply Conditioner is now live at Positive Feedback! Many thanks to Messrs. Hontani and Mr. Ken Ishiguro for making the Acoustic Revive RPC-1 Power Conditioner available to me to experience and write about. You can read the full review here. Update: In the USA the Acoustic Revive... Read More »


First Listen: The Duelund Coherent Audio DCA20GA tinned-copper tone-wire adventure begins!


I made up pairs of 2-meter interconnects with the new Duelund Coherent Audio DCA20GA tinned-copper tone-wire with my favorite affordable RCA’s, the Switchcraft 3502AAU RCA’s, soldered together with Kester '44' rosin core. I made up two pairs of 2-meter interconnects with the DCA20GA, the first with pair single runs of Duelund DCA20GA pin-to-pin and ground-to-ground, and a second... Read More »


Breaking News: The Duelund Coherent Audio DCA20GA Tinned-Copper Tone-Wire has arrived! Update.


It's always an exciting day here at Jeff's Place when something arrives from Frederik Carøe at Duelund Coherent Audio in Denmark, and in today's case it is the arrival of the hotly anticipated Duelund Coherent Audio DCA20GA tinned-copper tone-wire! For those of you who haven't been following the developing story of tinned-copper tone-wire, let me fill you... Read More »


Positive Feedback Review Preview: The Acoustic Revive RPC-1 Power Conditioner - Power to the People!


The Acoustic Revive RPC-1 Power Supply Conditioner: Power to the people! By Jeff Day The intrigue usually starts with a message from Yoshi-san or Elia-san from the MuSon Project in Osaka, Japan, who export Japanese audio exotica to The World. Every time I get a message from Messrs. Hontani I get pretty excited, because long... Read More »


Baby its cold outside! Here's a vintage audio book recommendation to warm your heart!


It's really been snowing here, with the snow piling up, and making for nasty road conditions. The temperatures have been hovering in the single digits, but now are moving up into the balmy teens! I just put out a bunch of wild bird seed for my feathered friends, to help them out during this inhospitable cold snap,... Read More »


State-of-the-System Report for January 2017. Update x 2.


It's bright and early on Saturday morning and I'm up drinking espresso, as my custom is lately, starting my mornings with two café allongés to get the morning rolling. It works! My primary music system has achieved such a nice overall balance musically & sonically of late that I'm just sitting back, settling in, and enjoying the fruits of... Read More »


Foolin' around with Altec A5 Voice of the Theatre loudspeakers on a Friday off!


I've got today off from work so I'm playing hi-fi games with my Altec A5 Voice of the Theatre project loudspeakers, and I have a ton of fun things to tell you about! Facebook also informed me that today is my one-year anniversary of starting my Altec A5 Voice of the Theatre project, and guess what,... Read More »


Heads up! The new Duelund CAST tinned-copper capacitors will be available at Parts ConneXion starting January 3rd!


I just got a note from Chris Johnson at Parts ConneXion letting me know the first shipment of the 630V Duelund CAST tinned-copper capacitors have arrived! Chris says the 0.47uF, 1.0uF, 1.5uF, and 2.2uF 630V Duelund CAST tinned-copper capacitors are now in stock! Chris also told me that the initial production run has used up the... Read More »


You'll want this book! The Garrard Story, by E.W. and B.E. Mortimer.


I had forgotten all about ordering a copy of the new book, The Garrard Story, by E.W. and B.E. Mortimer, but today it arrived and reminded me! I think you all know I really love the Garrard 301 & 401 turntables, and if I could I'd have one in every room of my house! A while back... Read More »


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