Norman Blake Style 12 fret Mahogany

 

Pass F5 Turbo V2

This ia a great Class A amplifier designed by Nelson Pass.  Useful links if you want to read more about this amp: Firstwatt Firstwatt F5 turbo Pass Labs forum on diyaudio.com The power supply:   The PCB boards: Assembling: All wired up and running:

Stampfl Short Wave Receiver

Stampfl SW-Receiver I have built this little short wave receiver from a kit provided by Heinz Stampfl. Nostalgia has caught up with me again. Now I'm on the hunt for radio stations.  🙂                    

Martin 000 24.9 Mahogany Kit Guitar

Martin Mahogany Kit 000 24.9 In the box:                  Top braces:          The back:      The sides :   Top and back glued to the sides and trimmed flush:           Binding glued to the top and the back:            Neck and fretboard is fitted     Finished 

BG Neo3 / Betsy / Eminence Alpha 15 A MK III

The MK II version was lacking in the treble region. I have added a tweeter and fidled with the crossover. The tweeter is a BG Neo-3, the midrange is a Wildburro Audio Betsy and the 2 woofers are Eminence Alpha 15A. The system is tri-amplified fully active using a Behringer DCX 2496 crossover, a Behringer…

Betsy / Eminence Alpha 15 A MK II

Update: After some critical listening I decided that the treble was not to my full satisfaction. Check out my later post of the MK III version, where I have added a tweeter.        Here are the drawings of the construction:   

Betsy / Eminence Alpha 15 A

Update: These were dismantled and replaced by a completely different design. After some critical listening I decided that neither bass response nor treble was to my full satisfaction.  These are my current Open Baffle  speakers. The drivers are a Wildburro Audio Betsy and an Eminence Alpha 15 Woofer. Two bucket subs (not on the picture,…

Bucket Sub

I was intrigued by the bucket subs as suggested by Transcendent Sound. Here is the link: Bucket Sub Below a photo of the subs on my workbench. The woofers are being driven by a Behringer iNuke 3000 DSP. The amp is cheap and has a lot of power and is capable to push the drivers to their…

Tubelab SSE (Simple Single Ended)

I started to put together the Tueblab SSE. I decided to put all parts on the underside of the board, as it will be mounted underneath an aluminum top plate later. I used Kiwame or Mills resistors and Mundorf Gold / Silver / Oil coupling capacitors. All transformers are Tribute Audio. A recommendation from the…

Bottlehead S.E.X. 2.1 Amplifier

I have started to assemble my Bottlehead S.E.X. Single Ended eXperimenters kit. This amplifier drives headphones and sensitive speakers. I bought the kit including the impedance as well as the C4S upgrade options. Here are pictures of the build: Impedance switch Constant current source Top plate Completed underside Upper side