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Old electronics and audio

Some of the electronic and audio gear I have accumulated over the years. Some of it goes back more than 60 years. I am going to try to restore those that don't work to their former working condition, if possible.


Berlant Concertone "Custom" tape deck

This is a monaural deck was my dad's back in the 1950s and was somewhere between "studio" and "consumer" quality. As late as 1990 I had seen units like this one still being used at the local AM radio station for editing news and advertising clips. All I had to do to it to get it working was lubricate some of the moving parts; the electronics (dating to the 1950s) were fine but have now developed a loud hum that I cannot diagnose. The only other things wrong are that case the lift handles on both pieces are completely shot. Since this image was taken, I have replaced the badly cracked rubber line cords and the felt pressure pads with bits of felt that was sold to protect stacks of dinnerware.

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Uploaded: January 01, 2007
867 3
  • (Anonymously) (Private)
    1 year 6 months ago
    i had a hum fixed it with .047 400v cap now my 20/20 works fine.
  • (Anonymously) (Private)
    2 years 10 months ago

    Very interesting.  Years ago I was given a transport and three sets of mono electronics.  My transport looks older than yours and I cannot examine it right now to see the heads, but I assume it's 1/2 trk mono.  The electronics are marked  "Concertone 20/20 Recorder".  Someday I'll see if everything works, something I've never had the time to do!

    Doug Pomeroy
    • Mikesloane United States (Private)
      2 years 10 months ago
      Hi, Doug! I *think* that the 20/20 is the same as my "Custom" the difference appears to be just different packaging. But nowhere on my machine does it say "20/20".

      The wiring is definitely mono, but I don't know if it is single track mono or two track (flip the tape at the end and play the "other side"). I would love to get a hold of a service manual or at least a schematic some day.

      Here is a website with more information about the Berlant history. <