Ruby Tubes 12AX7ACZ-HG ECC83 High Grade Tube, Chinese Overview
A Gak Overview of the Ruby Tubes 12AX7ACZHG (ECC83) Tube:The Ruby 12AX7ACZ High Grade is a re-labeled JJ ECC83. It's the highest gain of all the 12AX7's, loved by classic rock and heavy metal guitarists. Plenty of chunk and on the dark side. Also the same grade as the JJ ECC83. For more clean headroom in your amp, order this tube with the low gain option at no extra cost.(Similar to a 5751 in gain). The HG or 'High grade' is a measuring system used by ruby tubes, which basically means the tube is better suited for amps that need more quiet tubes.
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- Highest gain 12AX7
- Great for metal and hard rock
- Selected high grade JJ ECC83
