Re: Small questions that don't fit anywhere

1667
Planned resurrection of Otari MX5050-mkiii 1/2" 8-track continues.

Ok analog friends/fiends, we're back into the territory that brought a lot of us here. So this is what I'm dealing with currently: Random unexpected volume drops.

I printed about 3 minutes of 1k to fresh tape and throughout and across many tracks, I'm seeing unexpected drop outs when playing those back. I can hear them and they register on playback consistently at the same points. So my play heads seem good but something in the record step is wonky AF. I originally thought this was happening more on the outside heads 1 & 8 because the middle ones seemed more stable on that first pass however repeating it, I saw channels 3 & 4 just completely dip out.

It's not the mixer feed because I'm using the internal oscillator (and also my board generates 1k and the intermittent behavior was the same). I also don't think it's the tape itself because this happens at different points if I erase and go back.

Originally I was thinking the heads are probably cashed (was relapped when purchased years ago), however I'm not familiar enough w/ the symptoms of what to expect from worn out heads. Could this be just a case of dirty trim pots on the back? We did align it at EA after it had been sitting idle for literally 20 years.

Thoughts?

Re: Small questions that don't fit anywhere

1668
Garth wrote: Thu Dec 14, 2023 4:10 pm
Ok analog friends/fiends, we're back into the territory that brought a lot of us here. So this is what I'm dealing with currently: Random unexpected volume drops.

Thoughts?
When I had a 5050 MKII 2 Track it did this from time to time.
Was Japmn.

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Re: Small questions that don't fit anywhere

1669
Kniferide wrote:
Garth wrote: Thu Dec 14, 2023 4:10 pm
Ok analog friends/fiends, we're back into the territory that brought a lot of us here. So this is what I'm dealing with currently: Random unexpected volume drops.

Thoughts?
When I had a 5050 MKII 2 Track it did this from time to time.
Did you ever get to the bottom of it? This thing is a boat anchor if I can't figure it out.

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