by Mark ~ April 27th, 2008
This is a very entertaining, professional-looking video on making a vacuum tube from scratch. Created by a French Ham Radio enthusiast… I’m in awe. A friend asked for a link to this, so I thought I’d post it here as a pleasant diversion.
Filed under: Generalities | 2 Comments »
by Mark ~ April 23rd, 2008
If you have decided to take the plunge and build your own guitar tube amp, please let me share my early mistakes projects with you to help get you going in the right direction. But first, be sure you really want to build your own: Continue reading »
Filed under: Amplifiers, tube amp electronics | No Comments »
by Mark ~ April 17th, 2008
We’ve talked about three series of books, so far, that each provide a different approach to tube amplifier analysis, design and construction:
- Nerdy
- Easy reading theory/practical mix and,
- Comprehensive (encyclopedic) hands-on with a practical focus on guitar tube amp projects
Something for everybody in that list, but if you are hankering for more (or less, as in ‘free’), then there are lots of resources on the internet and this post tries to capture some of the more notable ones, specifically ones that are good for beginners. Continue reading »
Filed under: Books, Safety, tube amp electronics | 3 Comments »
by Mark ~ April 11th, 2008
This post is all about a series of books that is the most comprehensive and lucid explanation of guitar tube amp architecture, circuits, tone, components and construction technique for DIYers I have ever found. Continue reading »
Filed under: Books, tube amp electronics | 2 Comments »
by Mark ~ April 9th, 2008
When considering what to recommend for beginner’s interested in learning enough theory of operation to have a practical foundation in tube amp design I was torn between two excellent series, so I’ll write about both, in two separate posts. Continue reading »
Filed under: Books | 1 Comment »
by Mark ~ April 8th, 2008
This post should probably be sub-titled: “That you can’t buy at DigiKey or Mouser,” although some of the parts can be sourced from them. None of these tools are expensive, all are incredibly useful. Continue reading »
Filed under: Tools | No Comments »
by Mark ~ April 7th, 2008
Now we come to the part of the show where Norm pauses to review shop safety. Or alternatively, Robbie starts screaming “Danger, Danger Will Robinson!”. Continue reading »
Filed under: Generalities, Safety, tube amp electronics | No Comments »
by Mark ~ April 5th, 2008
Tough question. The real thing is quite rare and most people are not likely to ever play through one. But we do have a number of good references: Continue reading »
Filed under: Amplifiers | No Comments »
by Mark ~ April 5th, 2008

Electro-Voice Professional Sound Reinforcement Products used to provide Builder’s Plans for a series of speaker cabinets called the “TL Series Low-Frequency Loudspeaker Systems.”
The TL806 was a small ported cabinet designed specifically for the EVM12L: Continue reading »
Filed under: Speakers | 1 Comment »
by Mark ~ April 4th, 2008
While browsing my personal RSS feeds at lunch I happened upon a Google Blog Search result where the author was exploring how to choose the correct signal chain for your effects pedals. I wouldn’t have found this blog otherwise, as my searches lean towards gear and tube-based gear in particular. Continue reading »
Filed under: Generalities | No Comments »