new old stock Mesa Boogie STR-450 Duet Matched Pair of New Old Stock German Made siemens Power Tubes. Match Group BLU
The Mesa Boogie EL-34 STR-450 Duet is an actual pair of German made, "A" grade NOS (New Old Stock) Siemens EL-34 power tubes. These legendary European EL-34 tubes are known for their unsurpassed "bell-tone" clarity, touch sensitive sustain & articulation.
