Marantz PM4000
The Marantz PM4000 is a genuine name-conflict case. The archive's sources point to two entirely different products sharing the PM4000 designation: a solid-state integrated amplifier and a top-loading CD player. The CD player variant, described on Rekkerd.org, was produced in Czechoslovakia and sold in North America, with a heavy-grade aluminum cover up front and a disc tray that slides out from underneath the top-loader. That source's author explicitly compares the PM4000 CD player to the Marantz CD73.
The amplifier is documented only through resale listings. Both a WorthPoint listing and a Mercari listing identify the PM4000 as an integrated amplifier made in the Czech Republic. The WorthPoint listing describes the unit as "Pristine" and suggests a value of $150; the Mercari listing, described as "Fully Functional" and "Vintage," shows an asking price of $350. The two listings conflict on power output — WorthPoint gives 2 x 75W while Mercari claims 80W+80W — so that specification is omitted here rather than guessed at.
No frequency response, THD, dimensions, or detailed input/output specifications are documented in any available source. The PM4000 name appears in the archive's magazine corpus as a Yamaha PM4000 monitor board used by a touring engineer (Mix, September 1995, p.219), and in passing as the predecessor to Yamaha's PM5000 live console, an unrelated product — a Pro Audio Review article from May 2003 notes that the PM5000 "has some big shoes to fill, those of the very popular... PM4000 live sound console" (Pro Audio Review, May 2003, p.10). The PM4000 monitor board was used to handle monitor mixes and fills for stage right, where the bassist was positioned. Beyond the listings and the CD player write-up, the record is thin.
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