Ruby 12AX7AC5 Preamp Tube HG+

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Regular price $35.00 Sale

Hurry! Only 9 left in stock.

Our most popular 12AX7A tube.

All Ruby pre-amp tubes are properly tested for quality assurance.

Our highest quality 12AX7A tube.

HG Grade: RUBY standard grade that will work in all positions in an amplifier except in very high gain circuits, usually the first gain stage in a combo amplifier.

HG+ Grade:  For use in high gain circuits

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