Tape Trail

RE: Azimuth Help

71.114.131.249

In Reply to: RE: Azimuth Help posted by vinyltapecd on May 02, 2008 at 17:35:26

Thanks a bunch for all of the replies...I plan to try turning the screws pretty soon to see if this does anything. I have two quick questions though:
Is there any way to adjust the azimuth while the tape is playing? I guess this would require removing the door though, which might be impossible...This way, I can just keep turning the screw until the high frequencies increase to the maximum on the computer graph. Otherwise, I will have to keep starting and stopping the tape just to test the high frequency response every time I adjust the screw a little bit. This will be very time consuming, and more importantly, I am afraid that this might put a lot of stress on the tape, making it more susceptible to getting eaten up, or at least causing slight dropouts or other problems every time I start and stop it. I will do this if it is the only option, but if not, I would be glad to try an alternative.
Also, is there any way to tell from the frequency graph on Audacity whether the azimuth is incorrect, and by how much? I happened to observe some trends from the frequency graphs that might be useful. For instance, the left channel was almost always louder on the older tapes, and the right channel was almost always louder on the newer tapes, so I'm thinking that the tape head on the recording machine may have shifted a bit at some point over the recording period. The loudness seemed to have an inverse relationship with the high frequency response, since the louder channel would usually have a peak HF that was slightly lower than that of the other channel. In other words, the right channel usually had a slightly higher HF peak than the left channel on the older tapes, and vice versa on the newer tapes. I should note that the differences mentioned were not extremely drastic, and they seemed to be more noticeable with some tapes/songs than others. However, the trends were pretty consistent, and there were relatively few exceptions. I can't infer much from these trends, but I was hoping that some of you experts might be able to. Any thoughts? Thanks very much.

Edits: 05/07/08

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RE: Azimuth Help - Steerpike 14:36:46 05/10/08 (0)

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