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… Continue reading BG Neo3 / Betsy / Eminence Alpha 15 A MK III

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,… Continue reading Betsy / Eminence Alpha 15 A

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… Continue reading Bucket Sub

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… Continue reading Tubelab SSE (Simple Single Ended)

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