Various manufacturer

VT-136 / 1625 JAN

17.00 USD

Tough brown base Mil. Spec. beam power amplifier tubes maufactured in the United States by various makers. These fine glass tetrode tubes with 7 pin UX7 bases come with reinforced internal structure, thick black plates, and bottom getters. They come with various markings including U.S.NAVY, VT-136, JAN 1625. Boxes are standard military with different makers markings. Photo is typical of available stock.

Condition

New Bulk
New Old Stock (New in box)
Used Tested

	Tube Matching 6.00 USD by tube
LEARN MORE 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.