UCL82 / 50BM8
  • UCL82 / 50BM8
  • UCL82 / 50BM8
Toshiba

UCL82 / 50BM8

9.00 USD

Fine triode pentode audio tubes manufactured in Japan by Toshiba. These miniature glass 9 pin tubes contain two sections, audio frequency triode, and AF pentode capable of 7 watts output. They come with long gray plates and top halo getters. They are glass etched 50BM8, and come in standard white boxes printed 50BM8/UCL82.

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
Last items in stock

Toshiba
1 Item

Data sheet

Base
9 pin miniature Noval B9A
Boite type
1/1
Emplacement
44
Fonction
Triode pentode
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