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MESA SPAX7 preamp tubes are a premium grade 12AX7 that possess an even higher standard of overall performance due to their incredibly low sensitivity to microphonic noise. This is the ultimate preamp tube to use in ...
12AX7 preamp tubes play a remarkable, dynamic role in the creation of the final tone in your vacuum tube amplifier. 12AX7s are components, early in the circuit, that determine how clean or, how lush, layered and mas...
The 6L6 STR-443 power tubes provide a great classic, vintage 6L6 voice. These nicely balanced tubes offer a deep low end, controlled and tailored low-mids with a pleasing sparkle and chime on the top-end.
St...
The STR-445 is a 6L6 that shares some qualities of a 6CA7 in that it has tight, articulate low-end for excellent bass definition along with beautifully balanced mid and a chiming top-end that cuts without harshness....
The MESA 5U4GB Rectifier Tube is our very best overall 5U4 and our rectifier tube of choice in the production of all new MESA amps featuring this tube. This tube produces a "traditional vintage sag" with the most el...
The MESA 6L6 STR-448 is a premium grade 6L6 with a balanced voice and plenty of punch and headroom. They produce rich low end, tight, full midrange and pleasing top end that is present where it counts, yet also warm...
The STR 441 is an exceptional vintage-voiced 6L6 with superb low end, neatly tucked mids and an exceptionally smooth, tapered top-end for a warmer, richer and sweeter tone. They help provide the Treble and Presence ...
The MESA 5AR4 Rectifier Tube produces a vintage feel with light to mild "sag". While it produces more "sag" than Silicon Diodes, it is the least "saggy" of our tube rectifier offerings. Used in vintage MESA amps lik...
The MESA 5Y3 is a favorite among vintage aficionados and is our tube of choice in the production of the Lone Star Special. This tube produces sultry, vintage sag, creating a silky-smooth feel on the strings that is ...
Don't let worn, failing, or compromised vacuum tubes (valves) rob your amplifier of its precious tone! Available individually or in matched sets, AMS provides a full range of preamp and power amp tubes to deliver the ultimate in amplifier performance.
