Open baffle using Fostex FX120 and Eminence Alpha 15

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.  Open Baffle speaker Drivers are Fostex FX120 and Eminence Alpha 15 Active crossover using a minidsp 2x4 Asymetrical crossover at 200Hz 2nd order LR and 500 Hz 2nd… Continue reading Open baffle using Fostex FX120 and Eminence Alpha 15

Chipamp LM3886 reloaded

I finished another chip amp kit I bought at Chipamp. The base of the cabinet is made of 18mm bamboo plywood. The top plate is 3mm aluminium, a custom order from Schaeffer AG. In the US their subsidiary is called Front Panel Express. The construction is fully dual mono. Inside the cabinet are two 300VA,… Continue reading Chipamp LM3886 reloaded

Cabinet re-build of my Jordan JX92S / E100 VTL

Since I still like the sound of the Jordan VTL speakers and listen to them literally every day, I decided recently to get rid of the ugly and unfinished MDF cabinets. Inspired by Blumenstein Audio's Orca fullrangers, I have decided to use Bamboo plywood as well. So, off I went to the next local woodshop… Continue reading Cabinet re-build of my Jordan JX92S / E100 VTL

Caps upgrade

Just a quick update. Based on a recommendation I have upgraded the capacitors of Jerry's kit with 470uF 35V Elna Silmic II Electrolytic Capacitors. I soldered the caps to the underside of the PCB as the caps a bigger in size than the stock ones. This is a great improvement. More bass, really mature sound.… Continue reading Caps upgrade

Preamp SP14 Tubes4Hifi

I started a new project to build another preamp. I very much like my Bottlehead Quickie, but it has only two inputs and having to change cables to listen to another source is not really great. Since I was very satisfied with Bob Latino's VTA ST70 power amp, I decided to go with Tubes4Hifi's SP14… Continue reading Preamp SP14 Tubes4Hifi

Open Baffle Project

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.  I am trying another attempt with Betsy. This time with helper woofers, a DSP acting as a crossover and equalizer and two stereo amps. I have used… Continue reading Open Baffle Project

Dynaco ST 70 finished

The amp is mostly finished and playing nicely. On the last mile I needed a bit of support from Bob Latino. Bob was very kind to support me and promptly replied to my email inquiries. When I switched the amp on for the first time, without earth connected to the chassis, I measured 227 volt… Continue reading Dynaco ST 70 finished