• On sale!
  • -12.00 USD
12AV7 / 5965A  CLEAR TOP
  • 12AV7 / 5965A  CLEAR TOP
  • 12AV7 / 5965A  CLEAR TOP
Radio Corporation of America

5965A CLEAR TOP

23.00 USD
11.00 USD Save 12.00 USD

Top quality 9-pin clear-top twin triodes manufactured in United States by RCA. These miniature glass tubes are designed for use in high-speed digital computers, with separate cathode connections. Tubes have side halo getters, 4 solid copper vertical posts, and gray plates. They are glass engraved 5965A U.S.A.

Condition

Tube Matching
Tube Matching
6.00 USD by tube

WHY ?

A tube may have one, two, or three internal sections depending on the purpose of the tube; somtimes these sections are all the same, sometimes they are different. Due to manufacturing and material tolerances, there may be slight differences between the original specification and the actual tube. Tube matching tests each one of these internal sections and selects tubes, compared to original specifications at manufacture, for balanced performance and good sound.

HOW ?

All our tubes are tested by us prior to packing on our Stark, AVO, Simpson or RF Laboratories Inc. calibrated testers. On request for tube matching, tubes are matched for Mutual Conductance in Micromhos and Plate Current in Milliamps on our Amplitrex or Radioelec Duovac testers, with results printed for each  individual tube. Certain tubes difficult to test are matched for Mutual Conductance in Micromhos only on one of our regular calibrated testers. On request we can also test for Microphonics.

Quantity

535 Items

Data sheet

Base
9 pin miniature Noval B9A
Boite type
2/5
Emplacement
46
Quide
18937
Fonction
Double triode
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