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I recently purchased a Nakamicho 670bx on E-Bay. I'm thrilled with the deck. The sound is terific. I recorded something from a CD onto a Maxell MX-S tape, and the tape sounded better. Only one issue - some tapes (most of my home-recorded tapes, despite high quality and good care), almost immediately drop out. As soon as you hit stop, and re-press play, the sound is right. Everytime you stop and re-hit play, the treble returns. Then it'll drop out again. On the other hand, virtually every pre-recorded tape sounds perfect - no dropout. Even the tapes that do drop out seem to play OK after I clean the heads, and then they play for a bit. This would make sense to me if it happened with all tapes. Also, it shouldn't need to be cleaned after every play. I hope there's an answer, because this is one fantastic machine!
Follow Ups:
I have several Nak decks and I remember when I was a kid and CD's were in their infantancy that when my friends would bring over their tapes recorded on their crap cheapo decks they would complain about how crapy my Nak deck was because of drop outs and very poor playback performance. Problem was their decks sucked, they just blamed mine.Bottom line: Nak decks kind of do their own thing with tape handling that may effect playback from tapes recorded on other machines or tapes recorded on Naks played back on other machines.
My suggestion is to have this deck properly serviced and calibrated to get the most out of it.
Thanks. It's funny, it plays pre-recorded tapes perfectly. My previous deck was a Yamaha (not TOTAL crap), but the NAK is quite finicky with the tapes I recorded (all Maxell MX-S). Unfortunately, I don't have a local shop to check the NAK out. I don't listen to tapes that often, but when I do, it's nice to know I have an audiophile quality deck. (BTW, I just sold the Yamaha!).
Hello.The basic symptoms suggest me that probably your home recorded tapes were done with a misaligned azimuth. At least, misaligned with your new Nakamichi. I'm also thinking that probably the pressure pad lifting might help.
In the very first moments of the play function, the pressure and position of the tape is transitory. Maybe then, your home recorded tapes are better aligned, and later, quickly they go to their stable position as the tape traves above the head.
Your pre-recorded tapes could have been recorded with a slight azimuth change. Small enough not to have noticed before, but now, great enough to be heared on you new deck.
Thanks. The strange thing, as I mentioned, is sometimes after cleaning the heads with a q-tip and rubbing alcohol, the tape will work better. I know the heads aren't dirty. Your theory makes sense, as the pre-recorded tapes (with one exception)play perfect every time. Also, when I recorded something myself it played back great. Most of my pre-recorded tapes sound inferior on the NAK anyways (they were done on a Yahama).
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