5R4GY JAN

38.00 USD

Tough shoulder type brown base glass full wave rectifier tubes manufactured for the Armed Forces in the United States by RCA. These rugged 8 pin octal based tubes have black plates, two internal metal posts, and bottom getters. They are printed on base JAN CRC-5R4GY MADE IN U.S.A. with mostly 1960's production codes. They are also glass etched 5R4GY U.S.A.

Condition

New Bulk
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.