TAB/Telefunken germanium preamps

[Conviction]

Hi all.

So. I'm currently restoring a bunch of old (presumably) TAB/Telefunken-made germanium preamps dating from 1961 and 62. Model is HA54, 34 or 48dB, destinated for the national Swedish Radio console RB05.

Edit: adding info.

 

[Conviction]

... Appears to be working perfectly. OC604=AC122. Measured and within specs.
Here's some pics - this is obviously before the recap job: