Vintage audio resources.
In association with:
For further developments and discussions on these databases, please follow this link to  Click on  “Register”.  Once registered, log in and go to the main forum page from where you will now have access to Njord Noatun’s databases.
These resources used to be available to members at Audiokarma.  To find out why they no longer are, please read here.
Some vintage audio resources:
  1. Pioneer Resources:  Manuals, brochures, catalogs and other.
  2.  Tandberg Resources:  Manuals, brochures, catalogs, articles, reviews, and photos.  
  3.   Concept Resources:   Serial numbers.  Interviews.  Manuals and brochures.  User’s Group.
  4.   Yamaha Resources:  Manuals, schematics.
  5.   ADS Resources:  Manuals, brochures, catalogs, photos and other.
  6.   Advent Resources:  Documentation.
  7.  McIntosh Resources:  Owner’s manuals, service manual, brochures, photos
  8.   Sony Resources:  Owner’s manuals, service manual, brochures, photos
  9.   Rectilinear Resources: Manuals.  Reviews.  Photos.  Models.
  10.   Rectilinear entry at Wikipedia.
  11.   Other Resources:  Misc. literature
  12.   Cassette Deck database:  Covering models from Akai, Aiwa, Bang&Olufsen Denon, Dual, Harman-Kardon, JVC / Victor, Kenwood / Trio, Luxman, Marantz, Nakamichi, Onkyo, Pioneer, Revox / Studer, Sansui, Sony, Tandberg, Teac / Tascam, Technics / Panasonic and Yamaha
  13.   A selection of vintage gear.  By Njord Noatun.
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