Maxell UDXL35-90B
Little is documented about the Maxell UDXL35-90B. The surviving record is a pair of mail-order blank-tape price lists from early 1978. No spec sheet, no manual, and no proper review coverage have turned up in the archive. A dealer ad in Audio (February 1978, p.123) offered the UDXL35-90B at $5.40, alongside Maxell's UDXL-C60 and UDXL-C90 cassettes and the UD-35-90. A January 1978 dealer listing shows the same $5.40 price.
That is essentially the whole file. The "35-90" designation and the UDXL badge suggest a seven-inch open-reel tape in Maxell's UDXL line. No confirming documentation has been found, so even that is inference rather than record. Known facts:
- Appears in dealer blank-tape advertisements from January–February 1978.
- Listed price: $5.40.
- No specifications, packaging details, or period reviews are documented.
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