Cable Lifters
Dry wood is one of the best electrical insulators, behind diamond and air. All of the parts for these cable lifters came from Hobby Lobby: 2" x 3" wood bases, dowel rods, thread spools, and wood glue. Sandpaper and paint
DIY Power Cord
WARNING AND DISCLAIMER: Working with high voltages can cause serious injury or death. You may read the following project description for entertainment only, which is the intended purpose. 10 Audio makes no warranty express or implied for any result and assumes no liability for
Audio Research LS22 Preamplifier
The Audio Research Corporation LS22 Line Stage Preamplifier was chosen for this upgrade project because it has a lot of features and a lot of potential. The features that make it attractive are: • The option of either balanced XLR
DIY “Jensen 44” MC Step-up Transformer
Several years ago, I borrowed an Air Tight ATH-1 moving coil step up transformer and it changed my life. Well, maybe it was not a life-altering experience, but in audio terms, the audition was significant. The Air Tight sounded exceptional,
“DIY Hydra” Power Conditioner
WARNING AND DISCLAIMER: Working with high voltages can cause serious injury or death. You may read the following project description for entertainment only, which is the intended purpose. 10 Audio makes no warranty express or implied for any result and assumes no liability for
Passive Preamplifiers
Here is a basic schematic for an excellent passive 'preamp': Notes: You can insert a source selector between the input and the 1k resistor. Speaking about the 1k resistor - it should be a Caddock or Vishay. Weak link theory applies. The
Conrad Johnson Premier 15 with Jensen MC Transformers
These are the first images of Jensen JT-347-AXT MC transformers installed in a Conrad Johnson Premier 15 Series 2 phono preamplifier. These are wired in 1:12 gain, for 21 dB. With the transformers installed, the total gain of the Premier
The Perfect Subwoofer
Note: I think I know what I'm doing here at the outset, so I have arrogantly titled this project "The Perfect Subwoofer". If the result is only an improvement over my previous reference, I'll be very happy. I also realize that
Fostex “S-168” Full Range Loudspeaker
What is a full range speaker? Ideally, there will be one driver reproducing the entire audio range (commonly considered to be 20 Hz to 20 kHz). There will be no crossovers needed, no integration issues between two or more separate
Onkyo T-9 Tuner Modification
This analog tuner was one of the best in its day, and is now even better. I had been using a Magnum-Dynalab Etude, but never really felt it was providing sound quality commensurate with its price. So I bought a