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Thanks to all who offered such helpful advice. The problem was with the tape I was using. I had some AMPEX 407 audio mastering tape, and it was shedding so dramatically the heads would be coated in just a few feet. I had cleaned and the heads and the problem didn’t go away. I never expected the heads to get contaminated that quickly so I didn’t check it again. When I took it to my Tech friend, he noticed the dirty heads right away. We cleaned and demagnetized the heads again. I took the deck back home.This morning I loaded a brand new reel of Quantegy Grand Master 456 tape, and the deck records and plays back perfectly in both channels and in both directions. From now on, it's new high quality tape for me, and nothing else!
Follow Ups:
I made an error in my previous post. The tape that was shedding was not AMPEX 407 audio mastering tape. I was just using an empty AMPEX 407 audio mastering tape spool as a take up reel. The tape that was shedding was 3M-250 mastering tape. Either way I've learned my lesson. I through with old media.
Actually, it wouldn't have mattered. Ampex 406/407 and 456 were among the worst in terms of the "sticky shed" problem.Since I have many tapes from that era, and on those types of tapes, I've built a special-purpose oven to bake them and transfer them to digital media. See youramerica.net for details.
Dave
Dave,I took a look at your site. Very interesting! I like your choice of links. One more you might add is a link to the CIA World Fact Book.
On baking the tapes: The tapes contain no data of interest to me. I was only using them for recording. When I come across a never before played LP I like to clean it well and record it onto open reel tape. I play the tape and save the record.
For this reason I see no point in baking the old tape.
I have been using new (recent production) Quantegy 456 Grand Master Studio Master Audio Tape on 1/4 X 7 inch reels for recording my LPs. I've been operating under the illusion (?) that these tapes are not prone to sticky shed problems. Is this not true?
I was about to order a case of 10 Quantegy 456 1/4 X 10.5 inch pancakes to replace the tape on my metal spools. Perhaps this is not such a good idea. What do you recommend? Is there another brand or Quantegy model of tape that does not shed?
Also, I have a Tascam 40-4 deck in good working condition. I would like to use it to record some of the local folk musicians here in Madison, WI (on a very informal basis). What tape do you recommend for this purpose?
Jim
Current Quantegy tape does not shed! The tape to avoid is the AMPEX tapes produced in the 70's. Q456/457 and 406/407 work very well on TEAC X-10's.
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