Up for sale is a matched pair (2 Pcs) of vintage NOS Mullard EL84 / 6BQ5 power pentode vacuum tubes, packed in white boxes. Manufactured in Great Britain, these highly sought-after British valves feature classic round grey plate construction, a top ring getter, and crisp shield logo glass etchings. World-renowned by audiophiles and guitarists alike for their smooth highs, sweet vocal mid-range, and classic British chime in hi-fi power amplifiers and vintage tube guitar setups.

Both tubes have been thoroughly tested on an Amplitrex AT1000 automated valve tester at nominal reference settings. Plate Current (Ip) and Transconductance (uMhos) measurements alongside percentage performance ratings relative to standard factory specs (48.0 mA / 11,300 uMhos reference) are detailed in the table below.