Help identifying vintage tube amp connector

[Hengy]

I recently came into a cabinet turntable/radio tube amp, and it has a 5 pin connector on the back. The only indication of what it might be is a "tape recorder" button on the main panel. There is (what I assume is German) writing beside it, but I can't read it.

The manufacturer is NordMende, and the model is 3/683 Stereo.

I have found a schematic of the tube amp (attached). From what I can make of it, the connector is either the one labeled "HALL" or, more likely, either "TA" or "TB". My reasoning being that there are two external sources, hence two T labels.

What do you think this connector is for? "Tape recorder" implies it's an output, but being similar to the one connecting to the turntable, it could be another input. If it is an input, could it accept line level inputs?

Thanks,
Hengy

[image]Image:connector|none[/image]

 

[JonSnell Electronic]

It is a standard DIN 5 pin connector. Available in most stores. pins 3 and 5 are left and right. Pin4 or the centre pin is ground. DIN sockets are by default an input. Two pin DIN is for output to speakers.

 

[Rundmaus]

Hi there,

it's an old DIN connector, have a look here:

https://en.wikipedia.org/wiki/DIN_connector

The connector is both, tape in and tape out, the pinout is shown in the wiki article.

The german writing on the back panel means:

stereo external speaker
4.5 Ohms
tape recorder
record - playback
(german name of the connector)

Regards,
Andreas

 

[Rundmaus]

DIN sockets are by default an input.

Hi there,

I have to disagree, as a German I am familiar with DIN connectors for approx. 32 years now. They are used for a very large variety of purposes, even (low quality) video.

For audio uses, DIN connectors are combined inputs/outputs in most cases.

Regards,
Rundmaus

 

[Tubelab_com]

For the past 30+ years they have been used for MIDI (Musical Instrument Digital Interface), although this is not the case here.

I serviced the Italian Voxson brand stereo equipment in the early 70's and DIN connectors were used for audio input and combined audio in and out (tape loop).