Beovox Penta Restoration Project

in Imported Content (Unmapped) · May 9, 2020 18:42 GMT

I cut the mounting points off to make the visatons conform to the required round shape; the metal is relatively soft.

Beovox Penta Restoration Project

in Imported Content (Unmapped) · May 25, 2016 17:14 GMT

On another side note about the sometimes found "SEL" drivers: SEL stands for "Standard Elektrik Lorenz",a German manufacturer that was acquired by ITT in 1930. The brand name remained until the late 80s/early 90s, if mem…

Beovox Penta Restoration Project

in Imported Content (Unmapped) · May 22, 2016 06:24 GMT

Here are some XSim graphs. As noted above, the Y axis values have no absolute meaning and can only be used in relation to each other and only among the same type of PCB drivers (midranges or woofers or tweeter). Concerni…

Beovox Penta Restoration Project

in Imported Content (Unmapped) · May 22, 2016 02:43 GMT

Sorry the schematic in the photo above is somewhat unclear. First, I scribbled the original value if R1 on it, as actually found on my PCBs (I checked against different schematic versions). Second, I wrote some recommend…

Beovox Penta Restoration Project

in Imported Content (Unmapped) · May 18, 2016 07:58 GMT

Hi all, Some pictures from my (unexpected) Beovox Penta restoration project: What they looked like when I got them. Well known problem, I think. For increased difficulty level, two of them midranges were completely shot …