An article about a new preamplifier using one of the very first transmitting triodes, the Telefunken RS55. Almost no components!
And secondly a write up of a phono amplifier using Hashimoto LCR units for RIAA-correction.
On the picture below, side by side!
![RS55 preamplifier and LCR phono amplifier](http://www.dhtrob.com/_blog/userfiles/image/Phono_LCR - 29.jpeg)