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The term All American Five (abbreviated AA5) is a colloquial name for mass-produced, superheterodyne radio receivers that used five vacuum tubes in their design. These radio sets were designed to receive amplitude modulation (AM) broadcasts in the medium wave band, and were manufactured in the United States from the mid-1930s until the early 1960s.
The first ever AC/DC design of radio was the All American Five. The sole aim of the design was to eliminate the mains transformer. [5] [6] The lower cost of transformerless designs remained popular with manufacturers long after DC power distribution had disappeared. Several models were produced which dispensed with the power transformer, but ...
I believe that classic "5-tube" (vacuum rectifier) radios DO NOT have 140V-160V DC B+ levels. ... and 5-tube radios, without AVC, the "All American Five" radios ...
A 5-tube superheterodyne receiver manufactured by Toshiba circa 1955 Superheterodyne transistor radio circuit circa 1975. A superheterodyne receiver, often shortened to superhet, is a type of radio receiver that uses frequency mixing to convert a received signal to a fixed intermediate frequency (IF) which can be more conveniently processed than the original carrier frequency.
As anyone in the musical instruments industry can tell you, NAMM 2025 came and went in Anaheim, California last week, showing a wide variety of what the world of instruments, equipment and other ...
DY70 – 10 kV CRT EHT rectifier, 3-pin all-glass wire-ended, anode on top wire DY80 – 23 kV CRT EHT rectifier, noval base DY86 /1S2 – Half-indirectly-heated 18 kV CRT EHT rectifier, noval base, filament internally connected to cathode.
All American has toyed with many a life-or-death situation, and Billy Baker’s sudden demise in Season 5 signaled that the show isn’t afraid to kill off beloved characters. But we’re holding ...
0Y4 – 40 ≤ I ≤ 75 mA Half-wave gas rectifier with a starter anode, 5-pin octal base 0Z4 – 30 ≤ I ≤ 90 mA Argon-filled, full-wave gas rectifier, octal base. Widely used in vibrator power supplies in early automobile radio receivers.