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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 »


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