A-400 "Counterpoint"

Harman Kardon; New York

  • Year
  • 1956 ??
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 98337

Click on the schematic thumbnail to request the schematic as a free document.

 Technical Specifications

  • Number of Tubes
  • 8
  • Main principle
  • ZF/IF 10700 kHz
  • Wave bands
  • FM Broadcast Band Only
  • Power type and voltage
  • Alternating Current supply (AC) / 60 cycles, 110-120 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: A-400 "Counterpoint" - Harman Kardon; New York
  • Shape
  • Chassis only or for «building in»
  • Dimensions (WHD)
  • 11.2 x 4 x 7.5 inch / 284 x 102 x 191 mm
  • Notes
  • AC Operated FM Superheterodyne Tuner.
    Selenium rectifier.


  • Price in first year of sale
  • 90.00 $
  • Literature/Schematics (1)
  • Allied Radio Catalog Nº 150, 1956
  • Author
  • Model page created by Vitor Oliveira. See "Data change" for further contributors.

 Collections | Museums | Literature


Forum contributions about this model: Harman Kardon; New: A-400 "Counterpoint"

Threads: 1 | Posts: 3

Dear Forum members,

I have a schematic for the Harman-Kardon A-400 FM tuner from 1956, but it is in a very efficient pdf format. I have found it very difficult to separate out the pdf pages and re-convert them to gif format without significant loss in quality and increase in overall file size.

I have used GSview and IrfanView and Photoshop, but the results result in some degradation and file size increase.

The file linked above is only 438kB in size, and includes 5 high quality scans that meet RM standards before they are taken appart for gif uploading.

If an RM admin can take the pdf and simply separate out the pdf pages for the schematic upload in the model page, it would be the best way to retain quality without a size increase. I use the pdf995 utility for pdf page merge and separation.

If an RM member would like to try converting this pdf into gif form with good results, please feel free to do so and increase your reserve of UACS points.

I obtained the pdf from the Harman-Kardon web site. They offer the schematics as a courtesy without distribution restrictions.



Joe Sousa, 16.May.09

Weitere Posts (3) zu diesem Thema.