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Lot of 4 matched Electro-Harmonix 6550EH tubes, AT1000 tested, Sept 2000

Lot of 4 matched Electro-Harmonix 6550EH tubes, AT1000 tested, Sept 2000

$ 36.43

Availability: 100 in stock
  • Model: 6550EH
  • Condition: These tubes have unknown hours of use. They have been tested at 500V settings on an AT1000 tester. Results range from 59.2 - 62.2 mA for current draw and 6700 (105%) - 7000 (109%) Gm for transconductance. Each tube ships with test results (see photos).
  • Type: Vacuum Tube
  • Country/Region of Manufacture: Russian Federation
  • Brand: Electro-Harmonix
  • All returns accepted: ReturnsNotAccepted

    Description

    The 4 matched Electro-Harmonix 6550 tubes in this lot all have triple micas and gray plates. The gold print on the glass has the Electro-Harmonix logo with matching dates codes (00 09 = September 2000).
    These tubes have unknown hours of use. They have been tested at 500V settings on an AT1000 tester. Results range from 59.2 - 62.2 mA for current draw and 6700 (105%) - 7000 (109%) Gm for transconductance. Each tube ships with test results (see photos). Very nice lot.
    Each tube ships packed with the test results shown in the photos.