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Today's Fresh Catch: A Duelund Coherent Audio world's first just announced!

This morning I got an email from Frederik about the pending delivery of the new Duelund Coherent Audio plastic-free RCA's that he thinks makes for a nice improvement in performance over the already superb Duelund RCA's that I've been terminating my interconnects with. In his classic short teaser style, Frederik said, "It’s a world’s first... Read More »

Jeff checking in ... Hanze HiFi, Duelund, Altec, Nelson Pass, and Audio Note UK!

It's been a while since I checked in with you and gave you a little behind the scenes glimpse into what's going on here at Jeff's Place, so I thought it'd be a good time for a short update. I've been working on the Hanze HiFi HAT turntable power supply review for Positive Feedback, and... Read More »

Jeff checking in ... the Duelund-Altec Project and other stuff!

First of all I want to thank you for being patient with me. As some of you know, my Mom, almost 94 years of age now, has been going through some rough times health-wise. Getting her to and from doctors, hospitals, trying to help her out generally, and spending quality time with her has been... Read More »

The Duelund CAST Carbon/Sn-Cu Resistor: The "Jeffistor" makes its debut!

I really want to thank Frederik Carøe for being so generous as to indulge a resistor idea of mine, and then going way beyond what I imagined to handcraft a truly amazing resistor, which Frederik has humorously dubbed the "Jeffistor". The idea behind this resistor was a result of my listening impressions while doing trials with... Read More »

The Duelund CAST tinned-copper capacitors, inductors, and resistors have arrived!

I want to share every step of the way with you about the Duelund-Altec crossover project that Frederik and I are embarking on, so that you can come as close to possible to experiencing the project as if you were doing the project for yourself. A 32.30 kilogram parcel from Frederik (Duelund) arrived at 10:30AM... Read More »

The Duelund-Altec Project is about to get under way - the adventure begins!

It's almost time for the Duelund-Altec Project to get under way! Back in November 2015 my buddy Ron Barbee and I did a road trip to Seattle to audition a pair of vintage Altec loudspeakers that were for sale. These particular Altec's were custom made for conductor Leopold Stokowski by Altec for listening to music at... Read More »

A couple of things ... Still Audio, Duelund, Fender, and music on vinyl!

There's always a lot going on here at my place, and I'm hoping you're enjoying these little updates to share it all with you. ¸¸.•*¨*•♫♪ Still Audio ¸¸.•*¨*•♫♪ I'm working on writing up the Still Audio EL84 integrated amplifier review for Positive Feedback this weekend, and with a little luck I'll be able to get... Read More »

Duelund CAST Tinned-Copper 100V Capacitor Review at Humble Homemade HiFi!

I just wanted to alert you to the review at Humble Homemade HiFi of the new Duelund CAST tinned-copper 100V capacitors that are optimized for loudspeaker crossovers. A little teaser from what Tony said, "With the Duelund CAST Cu-Sn all types of music flow, become more involving, to such an extent that I was forgetting... Read More »

Duelund Coherent Audio 0.01 uF Tinned-Copper Paper-In-Oil Bypass Capacitors

I just got a note from Frederik Carøe that the first batch of new Duelund Coherent Audio 0.01 uF tinned-copper paper-in-oil bypass capacitors are ready and will be arriving at Parts ConneXion this coming week. I've tried them in two applications so far and have been very impressed with the results. My first trial of... Read More »

A Weekend Adventure with the new Duelund tinned-copper paper-in-oil 0.01uF bypass capacitors! Updates.

Inspired by the praise and enthusiastic response from Duelund Coherent Audio customers around the world to the Duelund DCA line of tinned-copper cables, Frederik Carøe did something amazing, he applied the same creativity he used in developing the Duelund DCA cables to new lines of Duelund tinned-copper foil paper-In-oil capacitors. I compared the prototype Duelund... Read More »

Today's Fresh Catch: Duelund Tinned-Copper Bypass Capacitors!

I got a nice surprise package from Frederik Carøe at Duelund Coherent Audio this week, some beautiful little Duelund 0.01 uF tinned-copper bypass capacitors! As you can see from the photos, the Duelund bypass capacitors are made in that same ultra-quality fashion as the other Duelund capacitors. So you could get an idea of their relative... 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 »

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 »

♫♪ The 2016 Jeff Awards: The 0.22uF/400V Duelund CAST Sn-Cu Prototype Capacitors! ♫♪

Those of you have been reading along know that Frederik Carøe of Duelund Coherent Audio really wowed me (and many of you) with the debut of his impressive Duelund DCA16GA tinned-copper ‘tone wire’ that is an affordable musical marvel. Then hot on the heels of the DCA16GA, Frederik sent me some 0.22uF/400V Duelund CAST tinned-copper prototype electronics capacitors... Read More »

Happy Thanksgiving! (and a 2016 retrospective)

Thanksgiving kicks off the Holiday Season in the States, and I want to wish you all a Happy Thanksgiving! I have a lot to be thankful for, when reflecting back upon the past year, but it's also been a tough year with the passing of my Dad, and due to some health crises for my Mom,... Read More »

The 13th Annual Positive Feedback Writers' Choice Awards for 2016!

The 13th Annual Positive Feedback Writers' Choice Awards for 2016 are live here. There were lots of great nominees from me for this year, but only three winners! Please stop by Positive Feedback and check out all the winners from 2016, from me, and all the other Positive Feedback contributors. As always, thanks for stopping... Read More »

Breaking News: Duelund Update!

This morning Frederik announced: "Following a lot of interest - we have today started production of a new DCA20GA wire. Made in the same way as the renowned DCA16GA wire - featuring tinned/copper multi-strand conductors in cotton and oil. The wire will have less metal than the 16GA and thus a higher AWG. It will be ideally... Read More »

Sneak Peek: The 13th Annual Positive Feedback Writers’ Choice Awards for 2016

You'll have to wait a while before the full 13th Annual Positive Feedback Writers’ Choice Awards for 2016 appear at Positive Feedback, but I thought you'd enjoy this sneak peek into my nominees for 2016. Enjoy! The 13th Annual Positive Feedback Writers’ Choice Awards for 2016 It’s always an exciting time of year when the Positive... Read More »

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 for the November-December issue of Positive Feedback. I'm done with the article and it will appear on November 1st. I think (I hope) you'll find my... Read More »

Breaking News: The Duelund 'surprise' has arrived from Frederik!

I love surprises, and particularly surprises like the ones sent to me by Frederick Carøe at Duelund Coherent Audio in Denmark! When I first opened the box from Frederik, what did I see? I was looking through squinty, blurry eyes, and I was like, "Wow! Frederik sent me a whole box of Cuban cigars! How cool is... Read More »

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