-40%
RCA Radiotron UY 227 Type 27 tube, mesh plate, cup getter, matched pair, strong
RCA Radiotron UY 227 Type 27 tube, mesh plate, cup getter, matched pair, strong
RCA Radiotron UY 227 Type 27 tube, mesh plate, cup getter, matched pair, strong
RCA Radiotron UY 227 Type 27 tube, mesh plate, cup getter, matched pair, strong
RCA Radiotron UY 227 Type 27 tube, mesh plate, cup getter, matched pair, strong

RCA Radiotron UY 227 Type 27 tube, mesh plate, cup getter, matched pair, strong

$ 46.99

Availability: 88 in stock
  • Modified Item: No
  • Country/Region of Manufacture: United States
  • Brand: RCA
  • Model: 227 Type 27
  • Condition: Tested NOS on AVO CT160

    Description

    For sale one pair RCA UY 227, Type 27 triodes. First indirectly heated triodes made, very similar to Type 26.
    Earlier model with engraved base, mesh plates, cup getter.
    Measured and matched on calibrated AVO CT160.
    Tube 1: 5.9mA 1.1mA/V
    Tube 2: 5.6mA 0.9mA/V
    5.2mA 0.9mA/V = 100% (250Va -21Vg1)
    Price is for two tubes.
    Replacement brown boxes.
    I will pack and secure the tubes good!!
    Feel free to contact me.