Ruby 12AX7ACZ Preamp Tube HG+

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Regular price $22.00 Sale

Our most popular 12AX7A tube.

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

Our highest quality 12AX7A tube.

Vacuum tubes provide a natural form of compression that solid-state amplifiers simply cannot match. Their ability to handle overload gracefully and their inherent non-linearity make them a popular choice among musicians and audiophiles alike. While they may require more maintenance and be more expensive than solid-state amplifiers, the natural warmth and character they provide are well worth it for many people.


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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