• Ampex-456-Reel-Tape-Box
  • Ampex-Quantegy-2-Window-Tape-Reel-7-in

Ampex / Quantegy 456, SP, 7″ Reel Tape, 1200 ft, Refurbished

Price:$17.95

  • Type: 457
  • Reel Size: 7" (18cm)
  • Length: 1200' (360m)
  • Performance: 5-+6 Low Noise / High Output
  • Packaging: Org Box
  • Condition: refurbished
  • Brand: Ampex / Irish / Quantegy
  • Type:
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    Ampex / Quantegy Grand Master 456/457
  • Thickness:
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    SP (1.5 mil), LP (1.0 mil)
  • Grade:
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    5-High Output / High Bias +6
  • Base Material:
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    Polyester Backcoated
  • 2020 Advice:
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    Playback Only - Do Not Record, Sticky Shed - Must be Baked Before Transfer, Unstable - Transfer ASAP
  • Where Produced:
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    USA
  • Mfg Years:
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    Late 1970s, 1980s, 1990s
  • Sale Condition:
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    Used - At your own risk
  • Description:

    The 456 / 457 Series are THE tapes made famous for sticky shed syndrome, especially since for a long time they were the undisputed sales leader for professional studio analog recordings in the 1970s and 1980s. These tapes offered excellent performance with noticeably higher output than any competing brands at the time.  A successor to the 356 / 357, the first type 5 (high output +6) tapes produced. The MOL is so high that most older machines will reach their electronic limits before the tape distorts, which means most of the older machines cannot use their incredible capabilities. Notes:

    • You can identify this formulation by its brown oxide and back coating.
    • The 456 Series represents the SP (Standard Play) version and the 457 is the LP (Long Play) version with the same oxide coating. No DP or TP versions of this formulations were made to our knowledge.
    • Unfortunately like many tapes of this period, the back coated versions suffer from Sticky Shed and cannot be played without baking. DO NOT PLAY OR WIND THESE TAPES BEFORE BAKING. Unless baked first, winding them can cause the oxide to be stripped from the polyester base material, essentially destroying them.  In fact, many batches cannot even be WOUND without baking as the oxide can be stripped off and the tape permanently destroyed. We have encountered some tapes that are less sticky than others, but there is no way to tell as the sticky shed condition seems to be dependent on the humidity of the environment they were stored in…and it has been over 40 years. If there is any valuable program material, these tapes need to be baked first.
    • Ampex was spun off to form Quantegy in 1995. According to anecdotal evidence the tape binder was reformulated to eliminate the sticky shed syndrome, so Quantegy branded tapes *should* perform properly.
    • Update 2022: We have confirmed that the Quantegy versions of 456/457 can use used without issues.
    • Available Refurbished: We only sell Quantegy 456/457 tapes in our store that have been thoroughly checked and where no Sticky Shed was found.

     

     

90 Day No-Fuss Replacement Guarantee If you find a problem with the tapes or are not satisfied for any reason, we’ll send you a replacement tape.

2 in stock

SKU: AQ-456-12-7-RO Categories: , ,

Additional information

Weight 2 lbs
Dimensions 8 × 8 × 4 in

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