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6080 WA JAN Chatham tube NOS 1959 Balance Triple Mica Sub 5998 6AS7 7236 WE 421A

$ 29.04

Availability: 100 in stock
  • Brand: Chatham
  • All returns accepted: ReturnsNotAccepted
  • Condition: New
  • Model: 6080
  • Type: NOS Tube

    Description

    6080WA tube NOS 1959 JAN
    Chatham with Triple Mica. Tested for Noise and Balance in dark voice headphone amplifier. Condition is "New". Shipped with USPS First Class. One year replacement warranty.
    On my  B&K tester:
    Below 55 = BAD
    55-66 = ?
    65 -100 = Good
    100-120+ = NOS
    Both of the tubes for sale test 100/100 100/100 if you purchased both, you will have a matched pair.
    Each tube is tested in the dark voice headphone amplifier for Symmetrical Output.
    Photo shows tube being tested in headphone amp.
    Using a Kenwood 3 channel 40 MHz scope with 56 ohm load resistors on each channel,
    At 2 Volts RMS output. With
    330 mV input signal at 1K
    and 10K
    If the tubes do not produce symmetrical output, soundstage will not be centered
    Tubes are guaranteed to meet the Industry standard for a New Vacuum Tube.
    Shipping: .00