DR - Danmarks Radio

[gyraf]

DR - Danmarks Radio was the Danish national radio/tv. They indirectly state-sponsored stuff like NP, NTP, Lyrec, Tubetech, DK-Audio, Ortofon
and DISA. Probably they're the main reason Denmark is so relatively strong in Audio.

DR 3-2213 Mikrofon begrænser (microphone limiter for talkback mic)

/Jakob E.

 

[erik_DK]

DR 3-1948 B-forstærker (line amp 40dB gain - also useable as mic-pre)

 

[erik_DK]

DR 3-2213 Mic amp/limiter. For talk-back.

Same schematic as in Jakobs post, but here it comes in one piece.

 

[erik_DK]

DR TNG 115 Tone generator

Schematic.

 

[erik_DK]

DR GMF 95 Grammophone input

RIAA?
Schematic

 

[erik_DK]

DR Remote for BX20 reverb