Technics RS-1800 Part 4 - More Maintenance

Рет қаралды 553

3 ай бұрын

Jeff is cracking into the amp section in full and doing a ton of cleaning and recapping. The 1800 has proven to be a surprisingly easy deck to work on (at least in the amp section) and work is progressing smoothly.
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Пікірлер: 13

@markjob6354 3 ай бұрын

*Thank you for sharing this most recent update on the extremely thorough and complete overhaul of this most excellent and rarest of Technics RS series open reel masterpieces. I look forward to your completed work and the final result.*

@j-corder 3 ай бұрын

Thanks for the kind words Mark, I'll keep making episodes til it's done

@markjob6354 3 ай бұрын

@@j-corder Thanks Man. 👍I'm super interested in the recorder. It's fascinating to watch you do the tear down and upgrade and cleaning on this rare gem of a corder.

@joshwalden1113 3 ай бұрын

Thanks Jeff/can't wait to see the next update!

@j-corder 3 ай бұрын

Thank you for watching, Josh. Can't wait to show you

@apw2607 3 ай бұрын

Nice progress !

@j-corder 3 ай бұрын

Much appreciated sir

@vpdavis5927 3 ай бұрын

Jeff, Thanks for sharing the journey. It looks to be a beautiful machine. Can’t wait to hear how it sounds. Speaking of sounds, did you make any tapes prior to your disassembly? A pre and post comparison would be great.

@j-corder 3 ай бұрын

Unfortunately no, I did not make any tapes prior to working on it. That would have been fun to do.

@jlast450 3 ай бұрын

You don't replace the variable resistors also when you recap?

@jlast450 3 ай бұрын

Why not use bipolar caps on the audio boards?

@j-corder 3 ай бұрын

I replaced the caps with better Panasonic brand caps than were in the machine originally. If Technics thought it needed bipolar caps, they would have used them.

@jlast450 3 ай бұрын

@@j-corder Unfortunately, at the time they made these decks audio grade bipolar electrolytics were not available. Even the bipolar film capacitors that were made those days are inferior (ESR) to the film caps that are made today. Otari started using the green Nichicon bipolar caps in their later models in the audio boards. That says something. Also there is a test done by someone and posted on the internet on the bipolar caps Vs. polar capacitors and it showed the polar capacitors had more distortion compared to the bipolar ones.