• Out-of-Stock
HT3
  • HT3
  • HT3
Various

HT3

89.00 USD

 Fine very rare thyratron tubes manufactured in Switzerland by renowned Brown Boveri. These thick glass tubes come with anode top cap, silvered internal components, and four pin metal and ceramic base. They are printed in red SCHLATTER SPECIAL TUBE HT3, and come with garantee & instruction sheet headed Brown Boveri Company BBC, written in German langage. Boxes are heavy duty corrugated cardboard with adequate foam padding, printed 2 JUNI 75 HT 3 LAD TUBE NO. 271/120 (variable) BROWN BOVERI.  

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
Out-of-Stock

Various

Data sheet

Base
4 pin UX4
Boite type
1/1
Emplacement
30
Fonction
Thyratron
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