Posts by Howard_Johnstone (archived2)
6 total posts4 results
Beomaster renovations
in Imported Content (Unmapped) · Feb 2, 2020 00:57Regarding NOS transistors: ”Purple” and ”White” plague in gold-alu intermetallic is a matter of fact: https://en.wikipedia.org/wiki/Gold%E2%80%93aluminium_intermetallic Today this is no longer a problem, as gold is no lo…
Beomaster renovations
in Imported Content (Unmapped) · Jan 16, 2020 16:18Thank you very much for your answer. It helps a lot to be constructive rather than just negative, as this do not bring the discussion further. Transistors: At the time of design and production these units where available…
Beomaster renovations
in Imported Content (Unmapped) · Jan 6, 2020 12:20I which to object to the wrongful replacement of capacitors and transistors in old Beomasters as a point of being original without any regard to factual circumstance. Being that output capacitors need to be close to 20 m…
Original Beovox renovations
in Imported Content (Unmapped) · Jan 6, 2014 18:56Having in this forum studied several attempts to correct and repair old speaker elements, is it really worth the time and effort on these very old units, given their poor overall performance? I recently inherited a coupl…