AudioReview.com has several reviews listed of the PM-94:

Hi-Fi World in England had a review of the PM-94, sort of a "classic collectibles" that you would find interesting.  the link to that page is:

Classic-Audio.com 

The Classic Audio  website  has a  list of most Marantz components and their estimated current value from the company's founding to the early 1980s.  There are related links of interest as well.

Marantz Legendary Audio Classics

This is a helpful site listing many early Marantz components along with images of each.

Other Audio Links of Interest

Another website I have created is The Jackie Gleason Album Site, devoted to the many records Gleason released during the 1950s and 1960s. Gleason was a multi-talented man. Although primarily known for his role in The Honeymooners and his TV variety shows, Gleason was equally successful in recording some of the most beautiful renditions of American standards. Some called it romantic mood music, but he also recorded some excellent jazz albums as well. Each album he released is illustrated with track listings, a short history of his recording career, and related links.

Andrew R. Lear's Audiophile Home Page is a very well done site dedicated to audiophile equipment links.  If you are interested in the state of the art of stereo equipment, and home theater, this is a wonderful site to visit.

Andrew's Audio Hi Fi Recommendations is one of the most fascinating audio sites on the internet.  It is an immense labor of love, but Andrew pulls no punches as he pokes holes in grossly over-priced audio components.  Of course, high end audio equipment is always expensive, but it is the stratospherically priced equipment he takes pleasure in taking to task.  Visit his site and see what I mean.

The Dual Classics Website is similar in spirit to this site, in that it covers the wonderful turntables Dual built over the past few decades.  In addition, it covers it current models and other components Dual manufacturers today.   If you have ever owned a Dual, you will enjoy this very well designed and information-rich website.

The Lansing Heritage site is dedicated to the pioneering speaker engineering of James B. Lansing and the companies that carry on that legacy today.  This is a very comprehensive site and beautifully done.  You can spend many pleasant hours here.  With the Lansing name, it is good to know "They still build them like they used to

  This is a Russian website in English put together by  Vlad Muhametov that covers many other high-end components such as Mark Levinson and Accuphase  as well as other component companies such as Pioneer, Marantz, Luxman, etc.   A very well done site worthy of a permanant bookmark.

Steve Ekblad's Audio Related Internet World Wide Web & FTP Sites qualifies as the most comprehensive audio links website in the world.  It is constantly updated and is a vast resource of both current and vintage audio and audio-related websites.  Many hours of happy surfing are yours at this site.  Highly reommended!