Various manufacturer

6A8GT

28.00 USD

Top quality pentode tubes manufactured by various makers in North America. These fine glass 8 pin octal based tubes, designed as combined oscillator and mixer for radio receivers, come with various makers markings, and are glass etched 6A8GT. Boxes are standard manufacturers printed 6A8GT. Photo is typical of available stock.

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

4 Items

Data sheet

Base
8 pin Octal
Boite type
1/3
Emplacement
06
Quide
68
Fonction
Pentode
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