12AX7 / ECC83 / 5751

• The 12AX7EH provides high gain with ultra low noise and detailed, musical tone that rivals the most desirable NOS types.

EH12AX7 - PAAR (2 pieces) Grade 10

• All systems with with identical emission
• The 12AX7EH provides high gain with ultra low noise and detailed, musical tone that rivals the most desirable NOS types.

TT-Selection: Balanced

• The 12AX7EH provides high gain with ultra low noise and detailed, musical tone that rivals the most desirable NOS types.

Premium gold pin version of 12AX7. High gain preamplifier tube with ultra low noise and detailed musical tone.

TT-Selection: V1 (low noise)

• The 12AX7EH provides high gain with ultra low noise and detailed, musical tone that rivals the most desirable NOS types.

The Electro-Harmonix 7025EH has a mid-range that gives clarity and definition to the sound and a smooth top end for warmth and balance. With these characteristics, along with the exceptionally low noise and low microphonics, the Electro-Harmonix 7025EH will work equally well in vintage and modern high-gain guitar amplifiers, as well as sensitive phono preamps.

Sweet and warm sounding preamp tube with high gain. We recommend this tube for guitar/bass amps

TT-Selection: Balanced Gain. Sweet and warm sounding preamp tube with high gain.

All JJ preamp tubes are selected within a close tolerance and handtested for best sound and quality.

TT-Selection: BALANCED

All JJ preamp tubes are selected within a close tolerance and handtested for best sound and quality. Furthermore all pins are gold plated to achieve best electrical contact.

JJ12AX7 GOLD - PAIR (2 pieces) Grade 11

• All systems with with identical emission

All JJ preamp tubes are selected within a close tolerance and handtested for best sound and quality. Furthermore all pins are gold plated to achieve best electrical contact.

JJ12AX7 GOLD - PAIR (2 pieces) Grade 10

• All systems with with identical emission

All JJ preamp tubes are selected within a close tolerance and handtested for best sound and quality. Furthermore all pins are gold plated to achieve best electrical contact.

TT-Selection: V1
All JJ preamp tubes are selected within a close tolerance and handtested for best sound and quality.

TT-Selection: V1. Sweet and warm sounding preamp tube with high gain.

This tube is recommend to tame the gain of an amp and make it sound "sweeter". The 5751 has only a gain of 70 instead of 100 like the typical 12AX7/ECC83 tube type and can be used as a drop in replacement for 12AX7 / ECC83 tubes.

Sounds similar to the "normal" JJ 12AX7, but the overall sound is fuller and more powerfull with bigger bass. Handselected gold version.

Mullard 12AX7 / ECC83 Reissue, Made in Russia

LPS = Long Plate Spiral Heater

Sounds pretty good in the input section of "modern" Fender amps with more overdrive but is also very popular among the Marshall users.

The Sovtek 12AX7WA is a defacto standard in 12AX7 tubes for many years yet because of its high dependability and its low noise floor.

Slightly more gain than the Sovtek 12AX7WA and also slighlty darker in sound but still with a very low noise floor and a high dependability.

The Sovtek 12AX7WC has a little bit more gain than the Sovtek 12AX7WB and  the 12AX7WA. The noise floor is still pretty low compared with other 12AX7 tubes and the dependabiliyt very high.

Sovtek's alternative to NOS 5751 tubes. This tube has a gain of around 70 and is often used to tame the overdrive characteristics of an amp. It can be used instead of an 12AX7 tube.