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Cassette Tape Media All aspects of tape itself; quality, characteristics, experiences, use and storage.

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  #1  
Old 05-19-2017, 06:14 PM
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The pinical of pre-recorded cassettes?

I picked this up this week for the measly sum of $0.30. Note: I do like classical music & like metal.

This is likely the peek of pre-recorded cassette tape sound quality. I won't give it away, see if you can spot all of it.

scan0201.jpg

scan0205.jpg


Will post the rest of the pics once all has been found in the above pics.
  #2  
Old 05-19-2017, 06:19 PM
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DAAD and Dolby S?
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Old 05-19-2017, 06:22 PM
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Yup, that's a big part of it.
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Old 05-19-2017, 06:27 PM
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Quote:
Originally Posted by Web Police View Post
DAAD and Dolby S?
What does DAAD mean?
  #5  
Old 05-19-2017, 07:09 PM
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The tape was also BASF Chrome Plus, our best duplicator tape. Sonopress recorded it in their Weaverville, NC, plant under Charlie Johnson's direction.

DAAD means a digitally recorded source converted to an analogue master for mixing and mastering and then distributed as a digital medium. Digital>Analogue>Analogue>Digital.

Last edited by Wilhelm; 05-19-2017 at 07:29 PM.
  #6  
Old 05-19-2017, 07:36 PM
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Thanks Wilhelm (and finally someone pointed out that it was CrO2 tape). The only thing left that no one said is it was also done with HX-Pro.

1) CrO2 / Chrome tape.

2) HX-Pro

3) Dolby S

4) DAAD


scan0202.jpg scan0203.jpg scan0204.jpg

scan0207.jpg scan0208.jpg
  #7  
Old 05-19-2017, 08:38 PM
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It is also a chrome tape that uses 120 microsecond eq?
  #8  
Old 05-19-2017, 09:40 PM
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A pre-recorded Dolby S cassette.

I've picked up a few CrO2 (Dolby B) classical cassettes at the thrift shops, and the best of them sound amazing
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  #9  
Old 05-19-2017, 10:11 PM
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Recorded in 94 from a digital master?

How does it sound?

That's a pretty early digital recording.
  #10  
Old 05-20-2017, 12:13 AM
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Quote:
Originally Posted by CaryAudio View Post
That's a pretty early digital recording.
Oh. no, some companies were recording in digital 20 years before that!

From Wikipedia:

1971: Using NHK'S PCM recording system, engineers at Denon record the first commercial digital recordings, Something by Steve Marcus and Uzu: The World Of Stomu Yamash'ta 2 by Stomu Yamashta.

1972: Denon unveils the first 8-channel digital recorder, the DN-023R, which is 47.25 kHz 13-bit PCM resolution using a 4-head open reel broadcast video tape recorder. The first recording with this new system is the Smetana Quartet performing Mozart's String Quartets K.458 and K.421, recorded in Tokyo April 24–26. Several other digital LPs follow.


https://en.wikipedia.org/wiki/Digital_recording
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  #11  
Old 05-20-2017, 02:23 AM
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Quote:
Originally Posted by Wilhelm View Post
The tape was also BASF Chrome Plus, our best duplicator tape. Sonopress recorded it in their Weaverville, NC, plant under Charlie Johnson's direction.

DAAD means a digitally recorded source converted to an analogue master for mixing and mastering and then distributed as a digital medium. Digital>Analogue>Analogue>Digital.
The mention of 'DAAD' on a cassette does not make sense to me, as the 'distributed medium' is analogue.
  #12  
Old 05-20-2017, 02:52 AM
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It sounds good using Dolby B or C. Sadly though my good Dolby S deck a Sony 909ES is in need of some repairs (that blasted pesky mode belt again ) before I can truly see what it sounds like. I am hopping I can fix the deck later today so I can give the tape a real good listen with Dolby S.


The combination of BASF Chrome tape & Dolby S should make for a VERY VERY low to almost no noise playback leaving nothing but music.
  #13  
Old 05-20-2017, 08:36 AM
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Quote:
Originally Posted by Wilhelm View Post
The tape was also BASF Chrome Plus, our best duplicator tape. Sonopress recorded it in their Weaverville, NC, plant under Charlie Johnson's direction.

DAAD means a digitally recorded source converted to an analogue master for mixing and mastering and then distributed as a digital medium. Digital>Analogue>Analogue>Digital.
Wouldn't you get the same sound quality if you bought the CD version and recorded it onto your own chrome tape using a good cassette deck? There has to be some sound quality loss during the DAAD conversions.
  #14  
Old 05-20-2017, 03:50 PM
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Quote:
Wouldn't you get the same sound quality if you bought the CD version and recorded it onto your own chrome tape using a good cassette deck? There has to be some sound quality loss during the DAAD conversions.
You would get almost identical quality making a copy from a CD, but the wow and flutter would be greater in the in-cassette recording because high-speed recording goes so quickly that wow and flutter are imperceptible. The cassette recording might have slightly greater frequency response beyond 18 kHz, which is the practical limit for high-speed duplication. There may also be greater MOL and SOL on the duplicated cassette because of the design of the massive heads used on the duplicator slaves.

DAAD = Digital Audio Analogue Duplication. This was how Concept Designs named their digital bin systems. I was thinking of the abbreviation for the recording, mastering, distribution process used for compact discs, such as DDD, AAD, and so forth.

Last edited by Wilhelm; 05-20-2017 at 03:55 PM.
  #15  
Old 05-20-2017, 08:03 PM
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How can high speed duplication produce better sound quality? I'm sure some of you can make real time recordings on your high end cassette deck and they sound better than the pre-recorded tapes.
  #16  
Old 05-20-2017, 08:42 PM
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Quote:
Originally Posted by Wilhelm View Post
You would get almost identical quality making a copy from a CD, but the wow and flutter would be greater in the in-cassette recording because high-speed recording goes so quickly that wow and flutter are imperceptible. The cassette recording might have slightly greater frequency response beyond 18 kHz, which is the practical limit for high-speed duplication. There may also be greater MOL and SOL on the duplicated cassette because of the design of the massive heads used on the duplicator slaves.
Quote:
Originally Posted by Chris G View Post
How can high speed duplication produce better sound quality?
Pretty sure he just answered that.
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