Loading...

Positive Feedback Logo

Frank Rodgers Checking In: Track Audio Isolation Feet for the Duelund-WRSE


Frank Rodgers, fellow Tannoy Westminster Royal SE enthusiast like yours truly, and with Duelund external crossovers too (!) just sent me a message to tell me about his latest discovery: Track Audio Isolation Feet. I haven't tried them myself yet, but given that Frank has particularly good taste in audio, I thought it was important... Read More »


Jim Smith Checking In: The Duelund-Canterbury Crossover Project


Jim Smith just checked in and told me he's now finished with building and installing the Duelund external crossovers for his Tannoy Canterbury loudspeakers. Jim told me his "Canterburys are singing like never before." Below is a photo of Jim's audio system just before installing the Duelund external crossovers. Man, this is so awesome, Jim!... Read More »


Today's Fresh Catch: The Soundcoat Company


A while back I made a post about The Soundcoat Company who has been providing specialized noise control solutions for aerospace, medical, and industrial applications since 1963. Steven Klein at Sounds of Silence had told me about how effective their GPDS damping sheets were when he applied the .070 GPDS vibration damping material to strategic locations within the chassis and external... Read More »


Winter, Duelund, and Vintage Crown Jewels!


It's officially Winter in North America, with snow and cold temperatures the norm, particularly in the Northeast! Fellow Duelund-WRSE Project adventurer, Frank, just sent me a couple of chilly looking photos. The first is the view from Frank's listening room (below) ... ... and the second is looking out from his loft over the fishing... Read More »


2013 in Review, Secret Insights, and a Look Behind the Veil of 2014!


The end of 2013 is arriving rapidly and 2014 will be on us in no time! I thought it would be fun to take a look back at 2013's notable moments and to take a look behind the veil of 2014 to see what might be waiting. First up are those treasures that I wrote... Read More »


The Duelund-Westminster External Crossover Project: Part 5 – Listening and Conclusions!


It's Christmas morning here in the Americas. I've got a fire burning in the fireplace, a hot cup of good coffee in my hand, and I've got Northwest Public Radio playing a lot of really great Christmas themed material today through my vintage McIntosh MX110Z's vacuum tube tuner. Heaven. At the moment NPR is playing... Read More »


First Listening Impressions of the Silver Duelund CAST Capacitors - Wow!


The Duelund-Westminster Special Edition (SE) external crossover project was a rousing success, and you can read about its step-by-step progression by following the links in the Review Archives here ... ... or you can cut to the chase and read the final feature article I wrote about it for Positive Feedback Online here. For those of... Read More »


Duelund Silver CAST Capacitors are in the Duelund-WRSE Crossovers!


As I mentioned in the Today's Fresh Catch post about the Duelund CAST Silver Capacitors (here), Frederik made up a pair of 6.8 uF Duelund CAST Silver capacitors (below) for me to give a listen to in the C1 position of the Duelund-Westminster Royal SE high-frequency crossover. As you can see in the photo of the... Read More »


Today's Fresh Catch: Duelund CAST Silver Capacitors!


As I mentioned in my Sneak Peek a little while back, Frederik Carøe, the founder of Duelund Coherent Audio, was building up a set of his exotic Duelund Coherent Audio CAST Silver Capacitors for me to try in the Duelund-Westminster Royal SE High-Frequency Crossover! Well, today they arrived - talk about an exciting development! I was... Read More »


Sneak Peek: The Making of Duelund CAST Silver Capacitors!


A little while back Frederik Carøe - the founder of Duelund Coherent Audio - asked me if I would like to try a set of his exotic Duelund Coherent Audio CAST Silver Capacitors in the Duelund-Westminster Royal SE High-Frequency Crossover, and of course I said yes! Frederik asked me which of the capacitor positions in the... Read More »


The Duelund-Westminster External Crossover Project: Part 4 – Rewiring the WRSE Loudspeaker


As I've promised in earlier posts, I’m archiving the Duelund-Westminster External Crossover article here at Jeff’s Place so you can find everything in one place for reference purposes (Part 1 - Intro, Part 2 - Breadboarding, Part 3 - Final Design). The full version of the article was just published in Issue 70 of Positive... Read More »


Sunday Afternoon at Jeff's Place


On Sunday afternoon Ron (center) and Leo (left) joined me for a fine day of hi-fi fun and games, and as usual we had a ball! (Sorry for the blurry photo. Note to self: remember to use the correct camera setting next time!) After a lunch of a combo pizza and a few glasses of... Read More »


The Duelund-Westminster External Crossover Project: Part 3 – The Final Version of the Duelund CAST External Crossovers


As I promised in earlier posts , I'm archiving the Duelund-Westminster External Crossover article here at Jeff's Place for reference purposes (Part 1, Part 2). The full version of the article was just published in Issue 70 of Positive Feedback Online here so be sure to check it out if you haven't already. Here is the next installment... Read More »


Today's Fresh Catch: The Soundcoat Company GPDS Damping Sheets


The Soundcoat Company has been providing specialized noise control solutions for aerospace, medical, and industrial applications since 1963. I first became aware of The Soundcoat Company through Steven Klein at Sounds of Silence (who imports the New Valve Order Audio electronics to North America), when he told me about the superb results he experienced through applying .070 GPDS vibration damping material... Read More »


The Duelund-Westminster Project is Live on Positive Feedback Online!


The Duelund-Westminster Project is live on Positive Feedback Online in Issue 70! As I mentioned in an earlier post, the article is huge with over 40 pages of text and 137 photographs. Editor Dave decided to break it up into two parts to make it a little more manageable to read on the website, and... Read More »


The Duelund-Westminster External Crossover Project: Part 2 – Breadboarding the Duelund Crossovers


The full Duelund-Westminster External Crossover Project article has been submitted to the Ye Olde Editors Dave and David of Positive Feedback Online for publication in the November 2013 issue next week. The article is 41 pages long and includes 137 photographs - it is a doozy! As I mentioned in my Part 1 sneak peak,... Read More »


The Duelund-Westminster External Crossover Project: Part 1 - An Introduction


I'm working hard writing the Duelund-Westminster External Crossover Project article for Positive Feedback Online right now. I can't even begin to guess how many hours I've got into this project between doing the project and writing about it - a lot - and I've enjoyed every minute of it! I thought it would be fun... Read More »


Today’s Fresh Catch: The Oyaide R-0 High-Performance AC Receptacle


As I've posted a couple of times recently (1, 2, 3), that while I was writing the Acoustic Revive Chronicles Chapter 10 article for Positive Feedback Online, I was very pleasantly surprised by what a tremendous performance enhancement - both musically & sonically - the Acoustic Revive modified Oyaide R-1 AC receptacles (below) were in my... Read More »


Today's Fresh Catch: High-Performance AC Receptacles from cruzeFIRST Audio


I just got back home from an exciting and demanding week of reviewing ... not of audio gear, but of supercomputers (the day job!). It was exciting to be part of a team reviewing a project that will produce the next generation of 100+ PFLOP supercomputers, and I was thankful for the opportunity to be... Read More »


The Week In Review and A Look Ahead: AC, Music, Vinyl, Valves, and Duelund!


High Performance Audio Starts With The In-Wall AC In Chapter 10 of the Acoustic Revive Chronicles I wrote about a high-performance in-wall Acoustic Revive AC interface that consisted of the combination of the CB-1DB receptacle base plate, the CFRP-1F carbon fiber outlet plate, and the Acoustic Revive modified Oyaide R-1 receptacle. I was impressed during... Read More »


Today's Fresh Catch: High-Performance AC Receptacles from Acoustic Revive, cruzeFIRST Audio, and Oyaide


I just finished up writing Chapter 10 of The Acoustic Revive Chronicles and submitted it to the ye olde Editors Dave & David of Positive Feedback Online for publication in the very near future. I always have had fun writing about the products from Acoustic Revive, and Chapter 10 was no exception. In fact a... Read More »


The Week in Review and a Look Ahead: Vintage Gear, Chapter 10 of the Acoustic Revive Chronicles, NVO SPA one, and more!


Hi everyone! I hope you're having a nice weekend! I was out of commission part of this week as a victim of a stomach bug that's been going around, so you could say this week is ending a lot better than it started. Last weekend was an awesome vintage weekend of listening to Ron’s quad of... Read More »


DIY: Binding Post Bypass Adapters for the McIntosh MC240


Yesterday I posted in Today's Fresh Catch about the spade terminal adapters for vintage McIntosh amplifiers with terminal strips that I found and purchased on eBay. While the price was right at slightly less than $10 USD, the performance and design of the adapters was not really up to what I wanted for use with... Read More »