You should go for it. They sound really nice and make a huge difference over mixing to DAT , in the box or similar.
Be sure that transport and moving parts are working and do try it with ossciloscope, so that you know that preamps are working correctly.
Find a tech in your area (someone who did ...

Hm, another thing,...we all know that with tape recorders, fun starts in the red, right? But maybe loading the tape with such magnetic volumes causes effect of print through to happen as soon as you rewind the tape and leave it 'till monday?
Also, maybe the signal picked up by record head found his ...

Hm, maybe the "print thru" effect was already there, and compressor just lifted it from almost silence to level we can actually hear?
How's that for a theory?

Hm, that's what I think, too...but I have some different Lomo mic, very similar to that one...and I am trying to find out more...there is no mark on it...
thanx, anyway!

I am trying to discover what which one is it...is that a regular Lomo?

Is this any better? What do you think, should it be maybe somewhat shorter? Do you have any more advice I could use?

No?

Try to take the whole mic apart and reassemble it carefully. If you have XLR connector on it, that probably means that someone changed it from three pin DIN connector, and that's causing your described problems.
Consider changing back to DIN...
If you have newer model, then XLR is standard and you ...

Howdy!
What is the difference between RCA BK5B and RCA BK5A ?
thanx for any input!