Description
Ruby EL34BSTR Power Tube Matched Quartet
High-gain EL34 with dynamic tone. Extra-strong bottle. Loud and clear. Often reviewed as well-balanced.
All RUBY™ Tube power tubes come already matched. There is no extra charge for this service. The Ruby Tubes matching process is very exact and our tubes are matched within +/- 1 mA (mille amp) of each other.
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