A visit to..
Nice to know
valve amplifiers and high efficiency speakers
February 10th, 2018 11:59
Just a nice picture of the operational amplifier..
Airtight PC-7 and Yamamoto HS-1A
January 7th, 2018 10:32
I was always curious about performance of a higher priced cartridge in my system. Not many distribitors or retail handlers allow this as a cartridge is easily damaged and once it is used, it obviously c
RV218 and KL70504 (6)
January 2nd, 2018 12:00
A nice comparison between mesh- and solidplate, directly- and indirectly heated rectifiers.
From left to right: RGN4004, UU5, unknown (British?) and 2B-400.
So, the unknown (probably British made) is th
RV218 and KL70504 (5)
December 31st, 2017 17:27
Yet another rectifier for trials.. This time with a mesh anode.
RV218 and KL70504 (4)
December 29th, 2017 20:49
Replaced the (tiny) GZ34 by a pair (somewhat bigger) half-wave rectifiers..
Looking good, matching the RV218. Soundwise these are a bit different. Voltage-drop in this choke-input powersupply