Some time has passed since Fostex FE108-Sol drivers took the place of the former Sigma model in my back-loaded horn enclosures and I had enough time to experiment further with them. As mentioned earlier the disposal of the notch filters, necessary for linearization of the frequency response of the Sigmas, brought a great deal of refinement. I realized how destructively the combination of resistor, capacitor and inductor on the signal path could act and from the perspective of time I can say – there is no way back to use them.
Today I would like to talk about the backbone of my system – the rack, this sacred place where all the electronic components are placed. Some of you might ask what is the difference between a regular lowboard one can obtain in every furniture shop and a HiFi rack made especially for audio applications. In order to comprehend the difference one should first realise what a tremendous impact vibrations have on audio reproduction.
I had a chance to try a new amplifier over the weekend guys. It was a non-negative feedback solid state device in the price range slightly below 3k euro. I spotted it long time ago after reading a rather positive review in a french magazine. I contacted the brand owner and asked if I can have one for a week to check how it will perform against my current tube amplifier. Though it was twice as expensive as my current one I was quite sceptic about the transistor contender being able to outperform my tube Line Magnetic LM-211IA amp.
I don’t mean to brag guys, don’t take me wrong, but the system really rocks these days and this is something I would like to report. I suspect the main reason for the outstanding performance lays nowhere else but in the improved room acoustic. As one can see on the images, there are several diffusers scattered around, also one sail is attached to the ceiling. Let me introduce you briefly to what I did recently in terms of room acoustic treatment.
Following the buzz around the Belden 8402 microphone cable used as interconnect that swirled around Jeff’s place I decided to build one myself. I decided also not to follow the classical convention of connecting conductors and shielding to RCA plugs suggested by Mr. Shirokazu Yazaki nor the contemporary norm of connecting the shielding only on one end to the ground, but to follow the methodology suggested by the french forumer and Jeff’s frequent visitor Dominique.