Can we finally put Reel to Reel out of its misery? Put it to rest people.

benklesc"Tape played the first time will not have the same azimuth as the tape played the 200th time."

This is clearly, absolutely, demonstrably false and so is a lot of the other stuff you wrote you do not know what you are talking about and by the way VHS tape wears like crazy there is a lot of friction in there!

A common myth is that azimuth is related to head alignment and that is not really the case. Only true when recording. It’s tape and no one tape has the same alignment and it will change overtime. There is no such thing as correct azimuth to clarify that point. Cassettes for this reason are my least favorite format. Reel to reel decks @ 7 1/2 and vinyl will blow even the best cassette decks out of the water for this reason imo.

A good trick to know if you are getting the best out of your tape is to listen to the mono bass or leads vocals in stereo, or you can even force to mono. Make a headphone cable with the ground removed, and listen when the bass and lead vocals fade out completely. When you null that is when you azimuth is aligned with the tape. Playing a 1kHz tone should sound like baking frying. An oscilloscope won’t tell you this.

Interesting part about VHS is that you had multiple azimuths on the same drum that read different parts of the tape. For that reason VHS tape had stricter quality control and surprisingly superior sound to all formats @ 1800 rpm. It’s too bad that format was never realized for audio but that is another rabbit hole topic all together.

So, many of the consumer reel to reel decks sold on the market like cassette decks were manufactured with heads that never wear down. For that reason ferrite heads for example cannot be relapped. They never develop a flat spot.

This statement is false. I've seen them worn first-hand.

Under normal circumstances VHS tape will never "wear out" or "fade".

They can shed though, causing them to lose output. And mess of the tape path at the same time.

A common myth is that azimuth is related to head alignment and that is not really the case.

Seriously?? Head azimuth **is** part of head alignment! Along with head height (on reel to reels). On a cassette deck azimuth is the only adjustment you get when aligning the heads. So on cassettes, azimuth and head alignment are exactly the same thing. I started my career in 1974 working on consumer electronics- I've performed many complete calibrations on reel to reel and cassette machines.

A good trick to know if you are getting the best out of your tape is to listen to the mono bass or leads vocals in stereo, or you can even force to mono. Make a headphone cable with the ground removed, and listen when the bass and lead vocals fade out completely. When you null that is when you azimuth is aligned with the tape. Playing a 1kHz tone should sound like baking frying. An oscilloscope won’t tell you this.

Hm. Better if you simply play a calibration tape with a 10KHz reference tone.

For that reason VHS tape had stricter quality control and surprisingly superior sound to all formats @ 1800 rpm. It’s too bad that format was never realized for audio but that is another rabbit hole topic all together.

There were audio machines for both Beta and VHS back in the 1980s.

Seriously?? Head azimuth **is** part of head alignment! Along with head height (on reel to reels). On a cassette deck azimuth is the only adjustment you get when aligning the heads. So on cassettes, azimuth and head alignment are exactly the same thing.

The reason I bring up cassette is that it’s a lot more annoying to make adjustments than on reel to reel, mostly you can’t trust cassettes to give you reliable results because the azimuth is always changing. Even if you adjust to a standard there will never be a correct azimuth when it comes to cassettes even on the best three heads decks. For that reason performance will always be lackluster unless you are making your own recordings. A good example are tapes recorded on Nak decks notoriously sound bad on non-Nak decks. On the other hand you would like to believe that reel to reel will give you more accurate results, but that too is not always the case.

http://www.tapeheads.net/showthread.php?t=70517

The best way I can describe it is this. The azimuth I refer to is what is printed on the tape in response to the record head. No one machine will have the same azimuth and no one tape will have the same azimuth. I bring this up to point out the performance of reel to reel will give you significantly better results than any cassette deck. Not because of the speed. Using the example of speed, 1⅞ ips can sound just as good at 15 ips except one will have more tape hiss. The difference is that reel to reel will always have greater frequency response because of the nature of its azimuth. The way the playback head is being used allows you to pull more information out of it.

Anyhow that has given me the best results so far listening back and fourth. That is how I squeeze the most information out of every tape that comes into my possession. I do not calibrate the machines I use in my lineup. Personal preference.

@clearthink

by the way VHS tape wears like crazy there is a lot of friction in there!

VHS makes a good comparison showcasing the differences between a linear format and helical. What makes helical scan unique is the heads are recessed VERY SLIGHTLY into the head drum. You’ll notice when observing one that you can’t even see the head clearly at first glance when looking at a head drum. All you see at first is shadow of the recessed cavity. Since the head is an electromagnetic device no contact is needed for pickup. Now that VHS is offload from the drum when playback is paused it lasts much longer than other tape formats. There is virtually no tape shedding. We’re talking about audio here, but color and picture information cannot fade overtime from video tape either which is engrained in the signal. It’s not like film.

That is one of the downsides to reel to reel is that they wear out much faster at higher speeds. Cassettes last much longer in that regard.

There were audio machines for both Beta and VHS back in the 1980s.

HiFi is a very underrated format for audio. Dynamic range and frequency response that matches CDs, and virtually zero tape hiss at speeds equivalent of 300 IPS with the moving heads (not a typo). It would have been real interesting to see helical technology being used in recording studios. A 16 track VHS deck would have been awesome to see. I would definitely prefer it to reel to reel. DAT format is not the same of course because that is a digital format. HiFi uses frequency modulation. They called it "poor man’s rtr". Funny enough I’ve considered making backup archives of my reel to reels to VHS.