Sylvania

5654W JAN / 6096

6.00 USD

Amazing Mil. Spec. audio pentodes manufactured for the Armed Forces in the United States by Sylvania. These powerful rugged 7 pin amplifiers, suitable for hostile shock and vibration environments, come with black plates and top halo getters. They are printed in green JAN 5654W SYLVANIA U.S.A. with variable 1980's production codes. Boxes are standard military beige NATO coded 5960-00-134-6031 or 5960-00-045-8639.

Condition

New Bulk
New Old Stock (New in box)

	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.