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    7581A Philips ECG Sylvania

    7581A Philips ECG Sylvania

    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 1 pc in stock at this time. NOS in original boxes.

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