Oct 142018
Preview of my 2018 Writer's Choice Awards for Positive Feedback!

2018 Writer’s Choice Awards for Positive Feedback! I’ve turned in my Writer’s Choice Awards for 2018 to Dave and David at Positive Feedback, so you’ll be hearing more about that shortly as they’re published. Here’s a little preview excerpt: “When I receive the message from Editors Dave and David that it is once again time for Positive […]

 Posted by at 1:20 pm
Oct 142018
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 […]

 Posted by at 1:02 pm
Oct 112018
The Duelund-Altec Project: Breadboarding the Duelund CAST Sn-Cu Crossovers!

Originally I had planned on building external crossovers for the vintage Stokowski Altec’s on the beautifully made Hammond HWCHAS Series Heavy Duty Walnut Chassis With Aluminum Top (HERE). I thought the Hammond’s aluminum top plate painted in Altec green like the 511-B horns would make for an attractive nod to Altec tradition. However, the large […]

 Posted by at 11:53 am
Oct 082018
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 […]

 Posted by at 3:45 pm
Oct 052018
The Duelund CAST Sn-Cu Capacitor: The World’s Finest Capacitor!

The Duelund-Altec Project is a world’s first for crossovers built exclusively using the new Duelund CAST tinned-copper (Sn-Cu) components (below), and these particular crossovers are currently the only crossovers of their kind in existence, at least for a while, until others start building their own crossovers with the new Duelund CAST Sn-Cu components. In the […]

 Posted by at 9:22 am
Oct 042018
The Duelund CAST Sn-Cu Air Core Inductor: A Breath of Fresh Air for Low Frequencies!

I thought I’d follow the same basic progression for introducing the Duelund-Altec Project to you as I did for the Duelund-Westminster Project, where I discussed each Duelund CAST component in detail, then detailed each step as I breadboarded the crossovers, modified the loudspeakers, and then constructed the final version of the crossovers, followed by updates […]

 Posted by at 10:44 am
Sep 302018
New Duelund 600V DCA20GA tinned-copper tone wire now available at Parts Connexion!

I wanted to give you a heads up that the new Duelund 600V DCA20GA tinned-copper tone wire is now available at Parts Connexion. The price of the 600V Duelund DCA20GA is $5.99 USD per meter, but is on sale now for an introductory period for $3.99 USD per meter. The 600V DCA20GA tinned-copper tone wire […]

 Posted by at 6:03 am
Sep 282018
Jeff checking in ... Stokowski Altec's, Duelund CAST Sn-Cu, Acoustic Revive, and more!

After my buddy Chad helped me move the big Stokowski Altec’s into the position normally occupied by my Westminster Royal SE’s last weekend (thanks Chad!), we did a fair amount of listening, mostly to a lot of classic rock (Chad’s fave), but also some jazz. I was a  bit surprised how good the Stokowski Altec’s […]

 Posted by at 9:16 am
Sep 242018
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 […]