All tubes are tested on a professionally calibrated Triplett 3444.
Mullard IEC 5AR4 f32 (Blackburn) Rectifier - $69 + $5.35 USPS First Class Insured I purchased this tube as NOS, and it certainly tests as such. It has never been installed in my system. Tests 44/44ma where 40ma is nominal good
Date Code f32 B6H2 = 1966 August No Shorts.
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
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