CV1064 / U14 / NU3

69.00 USD

29.00 USD Save 40.00 USD

Beautiful boxed British Mil. Spec. CV1064 late 1930's production, English glass shape (big bottle) with black base, double black plates with bottom disc getter, manufactured in England for the British Navy. Upgraded version of U12 labelled AP.7403 / Valve wireless NU3/ CV1064 / 10E/11445 similar to DW4-500. Good for 120 mA up to 500 volts plate, filament: 2.5 ampere, 4 volts direct heated. Excellent for PX25, PX4 2A3 and more audio amplifier applications. Glass-etched MADE & PATENTED IN ENGLAND U14. One of the oldest vacuum tube in dBtubes store in pristine condition with original military box.

Condition

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.

Quantity

Product Details

Brand Various manufacturer

In stock 120 Items

Data sheet

Base: 4 pin UX4
Boite type: 3/1
Emplacement: 28
Quide: 16554
Fonction: Full-wave rectifier