12D4. HALF-WAVE VACUUM RECTIFIER. Intended for TV ... 12D4 ac or dc volts .amp. For definition of heater warm-up ... ELECTRON TUBE DIVISION. RADIO CORPORATION OF ...
Jul 19, 2020 · The 12D4 is equivalent to the 6DA4, except it uses a 12V heater. The 6DA4 was already presented in a previous tube of the month post.
Tube 12D4 or Röhre 12D4 ID5349, Damper, booster, flyback diode, Octal (Int.Octal, IO) K8A, USA 1935 and Power-supply shown. Radio tubes are valves.
The 6DA4 is a single heater-cathode type diode for service as the damping diode in the horizontal-deflection circuit of television receivers. It will with-.
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12D4 / 12DM4. $. 3 .95. QTY: Add To Cart. Free Shipping Over $99*. NOS-12D4. 12D4 / 12DM4. This is a suitable replacement for any 12D4 / 12DM4 tube type.
$3.45
12D4 - RCA Vacuum Tube - *New Old Stock!* ; Quantity. 3 available ; Item Number. 172958050266 ; Type. Vacuum Tube ; Brand. RCA ; MPN. 12D4 ...
$3.00
12D4 vacuum tube. Product Code: 12D4 vacuum tube; Availability: In Stock. $3.00. Qty Add to Cart. Copyright 2015 Merrytunes Antique Radios.
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Condition Is Used Tested Good Tube. Tube Tested At 90 Or Better With A Minimum Being 46 And 100 Being New.
$4.95
Purchase 12D4 / 12DM4 vacuum tubes online, in stock and ready to ship! Find reviews, data sheets and specs to upgrade your tube amplifier.
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These tubes are new New Old Stock (unless otherwise listed). You'll find lots of those hard to find USA tubes from brand names as, GE, General Electric, ...