Wednesday, November 29, 2017

New Three Way Horn System In The Works

I've been collecting parts for this for many years. This may be the slowest project I've ever done. My friend JC designed the basshorn, provided the math for the builder of the tractrix mid and tweeter. I need to build top hats for these and my least favorite part the passive crossover. Fortunately my friend Chris is helping me with this or I'd have to go active. 

Here we have the bass horn. It is large and can accomodate 12" 15" or 18" drivers. For this application we are using 12" drivers. These will play up to around 350hz.
I am a toddler when it comes to putting systems together but the main point in DIY is to learn so if it doesn't work try and try again.
I need more stuffing. 

 Fortunately these drivers can pick up around 350hz. These are JB 2482 drivers and are so very heavy.
 They will be mounted to these pure tractrix horns. They do look better in person not sure what the flash did here.

 Most of these horns are on loan to me but will be fun to try out for a while. Round tractrix with B&C DE250. They start breaking up past where I can hear lol....
This will be going together soon and then tweaked until it sounds right. That will likely take a while. This will be my second system on the other end of the house lol. Now to find technology to stream audio in sync to both systems... Anyone have any suggestions?

Check out the DIY tractrix horns at Fastlane Audio.

Monday, November 27, 2017

A New Corner Speaker - 1949

 A new corner speaker... Well new in 1949.

Friday, November 24, 2017

Thursday, November 23, 2017

Tuesday, November 21, 2017

Make Your Own Tonearm - 1958

Nice little article about DIY tonearms. I'd have to wrap up many projecets and future projects before I attempted such a feat.

Sunday, November 19, 2017

Saturday, November 18, 2017

Fi Humor

Friday, November 17, 2017

Thursday, November 16, 2017

Viking Reel To Reel Advert

Only in MCM ads to guys look so cool.

Wednesday, November 15, 2017


Cool article from 1957 about servicing your own gear. Relevent even today.

Monday, November 13, 2017

AT&T MW Horns

These were the last of giant MW lenses or horns or whatever they are removed from the AT&T building in downtown Little Rock. These were definately microwave use but they are horn shaped. What flare did they use?
I'd like to use them as acoustic art piece but will likely end up as scrap. Sad...
Abit of local history.
AT&T history that has been watching over Little Rock for 50+ years has come down. In 1951 AT&T started an ambitious project to connect the country with 107 radio-microwave towers at a cost 40 million dollars, 375 million in today’s terms. The project was completed and connected the country with telephone and television transmission. With the advances of fiber optic technology, we abandoned microwave transmission. From what I can surmise this was the last array of microwave towers in Little Rock. These were located on the top of the AT&T Tower in Downtown Little Rock at the corner of 8th and Louisiana.

Saturday, November 11, 2017

Pink Floyd - BIKE

Without Syd Barrett Pink Floyd just sucks. This is one of my faves.

Even better by P-Model 8-)

Friday, November 10, 2017

Wednesday, November 8, 2017

Using Load Lines - 1956

Vintage DIY tube lesson from 1956.

Monday, November 6, 2017

Stromberg Carlson - Exponential Acoustical Labyrinth

Gotta a love the Labyrinth.. This should be made of plexiglass at least once. 

Saturday, November 4, 2017

Laurel Aitken - Nobody But Me

It is a Ska kinda day. The weather is warm and foggy. Laurel Aitken is one of my faves.

Friday, November 3, 2017

Retro Hi-Fi Girl Friday

Check out the Shirley Bassey records. Hell of a voice there...