7868 Beam Power Tube Pentode Ampeg Reverberocket R-12R 1965 Ampeg Jet 12 1960’s Fisher 400 receiver Fisher X-100B
Rare Philips ECG Sylvania made 7581A power output tubes. These are highly recommended for Dumble type circuits Two-Rock amplifiers, Bludotone, Glaswerks and any other guitar amplifier where you want a super beefy 6L6GC type tube. uprated mil-spec construction these tubes are built to last. Screened and tested, matched for current draw on our Amplitrex AT-1000 and maxi-matcher. Only one piece remaining. NOS in original box.