RCA Radiotron (Oct, 1927)

This is some brilliant marketing here. Other brands of radio tubes may be as good as Radiotron, and yeah they may be cheaper, but that just means we’re the standard.

Ok, but why shouldn’t I buy the cheaper ones again?

RCA Radiotron

From time to time other tubes will be offered to you as being “as good as Radiotrons,” sometimes at a lower price. Which proves that the Radiotron is the acknowledged standard in performance.

The American people have used millions of Radiotrons in the last five years. Is it reasonable to suppose that imitators could give you Radiotron quality for the same money?

Don’t use new tubes with old ones

If your vacuum tubes have been in use for a year —and one needs replacing—much better results will be obtained by replacing all the
Radiotrons. Don’t use a new tube with old ones.

To keep your radio set at maximum reproducing efficiency, change all your tubes at least once a year.

RCA Radiotron
MADE BY THE MAKERS OF THE R A D I O L A
RADIO CORPORATION OF AMERICA • NEW YORK • CHICAGO • SAN FRANCISCO

4 comments
  1. Adrian says: May 17, 200811:49 pm

    What is a Radiotron MO1A? I saw it on a little Chinese vacuum tube amplifier, current (2007/08) model.

  2. Adrian says: May 17, 200811:52 pm

    Sorry, forgot to check the “Noitify me by email” box.
    What is a Radiotron MO1A? I saw it on a little Chinese vacuum tube amplifier, current (2007/08) model.

  3. JDT says: November 9, 20105:59 pm

    “change all your tubes at least once a year”
    nice marketing going on there–
    I’ve been using a radio with radiotron tubes for years with great results, and I think they haven’t been changed since the 60′s.

  4. Toronto says: November 9, 20109:54 pm

    “Radiola” – now *that’s* a brand name!

    I’ve used radios and amps with tube well over 50 years old. It’s the capacitors you have to watch for as they age.

    “Change them all at once” is odd advice. I wonder if they meant that to apply to serial-wired tubes, where the heaters were all matched to the same amperage.

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