MESA Matched and Tested
- Premium Quality Guarantee -
We start with only the finest tubes available from around the world. We then test and match every tube, while under the stress of actual operating conditions, to the tightest, most demanding specifications in our industry with the use of our proprietary, aerospace designed tube analysis system called Robotube™. We accept only the "finest of the finest" and back them with the best warranty in the business for a minimum of six months

Available types:

Duet Packaging

• 6L6 GC STR 420 (Duet)
  
  
• 6L6 GC STR 427 (Duet)
  
  
• 6L6 GC STR 430 (Duet)
  
  
• 6L6 GC STR 454 Svetlana (Duet)
  
  
• 5881 6L6 STR 425 (Duet)
  
  
• 6V6 GTA STR 417 (Duet)
  
  
• EL-34 STR 442 Svetlana (Duet)
  
  
• NOS EL-34 STR 450 Siemens (Duet)
  
  
• 6550 (Duet)

Individual Packaging

• EL-84 / 6BQ5 (Individual)
  
  
• NOS EL-84 / 6BQ5 Sylvania (Individual)
  
  
• 12AX7 / 7025 / ECC83 (Individual)
  
  
• SPAX7A (Individual)
  
  
• 12AT7 / ECC81 (Individual)
  
  
• 5AR4 GZ34 (Individual)
  
  
• 5Y3 (Individual)
  
  
• 5U4G (Individual)