6BH8 / 6AU8 HALO GETTER
  • 6BH8 / 6AU8 HALO GETTER
  • 6BH8 / 6AU8 HALO GETTER
Amalgamated Wireless Valve Co.Pty.Ltd

6BH8 / 6AU8 HALO GETTER

4.00 USD

Mint quality miniature glass pentodes from 'Down Under'. These fine 9-pin triode pentodes are manufactured in Australia by partly government owned Amalgamated Wireless Valve Company. They are designed as general purpose 2-section tubes containing a sharp cut-off pentode and a medium-mu triode. Tubes have gray plates, 4 stout copper posts and top halo getters; they are printed in white 6BH8 and AWV logo. Boxes are standard dark blue and red printed 6BH8 SUPER RADIOTRON AMALGAMATED WIRELESS VALVE CO. PTY. LTD.

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

Amalgamated Wireless Valve Co.Pty.Ltd
100 Items

Data sheet

Base
9 pin miniature Noval B9A
Boite type
2/1
Emplacement
35
Quide
800
Fonction
Triode pentode
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