Ray Tubes CORE 12AX7

CORE 12AX7

The 12AX7 vacuum tube was introduced in 1947 as a replacement for the earlier 6SL7 family of dual triodes, all of which were used extensively in audio applications. As one of a handful of small signal tubes that have remained in production since their first use, the 12AX7 is commonly found in the pre-amp stage of tube amplifiers and is especially associated with the emerging electric guitar sound of the 1950s.

Product Highlights

CORE is the Ray Tubes entry tier. Built new for audio, measured, matched, and covered by the Ray Tubes One Year Warranty.

• Designed and manufactured by a team with decades of experience
• Hand-selected specifically for use in audio applications
• Substantially more consistent performance than New Old Stock
• Unlike NOS and most other new production, covered by the Ray Tubes
  One Year Warranty

Sounds Characteristics 

The CORE 12AX7 delivers a clear and natural sound profile, detailed and expressive through the vocal range.

• The bass has an emphasis on clarity over depth, suited for music with a well-defined bass and less emphasis on the heavy low-end.
• The midrange frequencies offer excellent reproduction of vocals, especially female voices, with clear and prominent detail.
• The treble performance is clear without being overly prominent and remains fatigue-free over long listening sessions.
• The dynamics are well balanced, particularly for small to medium shifts. The soundstage offers clear positioning of instruments and is ideal for small to medium-sized systems.

Package Contents

• Available as a single tube ( RT-CO-12AX7-X1 ) or matched pair
  ( RT-CO-12AX7-X2 )
• User handbook featuring burn-in guidelines
• Certificate of authenticity and warranty