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2019 in retrospect, my 2020 New Year's Resolutions, the year ahead, and other stuff! Part 3.

As I mentioned in Part 1 of this series of posts, 2019 has been a rather unprecedented year in writing about audio and music, with the year-end number of blog posts published at Jeff's Place coming in at 210, and 5 feature reviews for Positive Feedback.  I feel really fortunate to have had so much... 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 »

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 »

Announcing the Duelund Coherent Audio & Stokowski Altec Project for 2018!

I am absolutely thrilled to be able to announce the Duelund Coherent Audio - Stokowski Altec Project for 2018! This exciting project will showcase the Duelund Coherent Audio tinned-copper components, and will be a world first for a crossover constructed of tinned-copper components. As you know, I have been extremely impressed with the prototype tinned-copper capacitors and... 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 »

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 »

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 »

Duelund news from Frederik! Updated!

I've got a couple of updates for you from Frederik, and there's good news! The Duelund DCA20GA tinned-copper cable is getting ready to be wrapped in its oil-soaked and baked cotton dielectric, and the first batch of the Duelund CAST tinned-copper capacitors are shipping this week. "Metal for DCA20GA wire is now done. Finished wire... 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 »

It's cap swap Saturday! OMG, the prototype Duelund CAST Sn-Cu cap's are ... (updated x 2)

I got up this morning and drank an adequate amount of coffee to wash down a slice of Thanksgiving's leftover pumpkin pie for breakfast, while listening to Jazz24 on the Stokowski A7 Voice of the Theatre loudspeakers. Yazaki-san’s superb SPEC RSA-M3 EX Real Sound Amplifier is a perfect match to my Stokowski A7's, giving a musical... Read More »

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