All tubes are tested on a professionally calibrated Triplett 3444.
RCA 5814A Black Plates - $39/pair Tube #1: 8ma @ 2800gm and 8ma @ 2900gm = 90/94%
Date Code 62-35 = 1962 35th week Tube #2 8ma @ 2750gm and 8ma @ 2750gm = 89/89%
Date Code 61-04 = 1961 4th week No Gas. No Shorts.
3100gm is the standard measurement for a new 5814A tube, and 2000gm is the replace number on a Triplett 3444. 5 Day Return Policy - I endeavor to thoroughly test your tubes before shipment to ensure that I represent them accurately. If they do not perform as expected in your system - microphonics or noise for example, then you may return them for a full refund. Buyer pays return insured shipping. The 5 Day Return is not intended to provide a Buy-Try-And-Return method by which a Buyer can "tube roll" and return them if they do not produce a subjectively pleasing result. Paypal or USPS Money Order USA Sale Only
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