12AX7 Tube Reviews Chart - www.thetubestore.com

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12AX7 TUBE REVIEWS CHART

12AX7 comparison at a glance
Rated 0 - 5 where 0 is Unacceptable and 5 is Excellent
Grey rows represent discontinued and unavailable tubes.

Main 12AX7 / ECC83 / 7025 tube reviews page

We've compiled our findings into a chart that shows you rating scores for each vacuum tube's microphonics, noise, and musical detail/dynamics. This will help you narrow down the many options quickly, and get your tube amp performing great! When reading these results it's important to understand that the difference of 1 number increment is not typically dramatic. In many cases, the difference between 4 vs 5 is very hard to perceive. Overall, these 12AX7 preamp tubes are all great performer.
Tube Type	Microphonics	Noise(Hiss, Pop, Hum)	Musical Detail and Dynamics
Electro-Harmonix 12AX7EH	5	3	4
Gold Lion ECC83 / B759	4	5	5
JAN-GE 12AX7WA	4	5	5
JAN-GE 5751	5	5	4
JJ Electronic ECC83S	3	4	4
JJ Electronic ECC803S	4	4	4
JJ Electronic ECC83MG	4	5	4
JJ Electronic 5751	5	5	3
Mullard Reissue 12AX7	5	5	4
Mullard Reissue CV4004	5	5	4
Northern Electric 12AX7	4	5	5
Preferred Series 7025	5	5	5
RFT ECC83	5	4	5
Shuguang 12AX7A	3	4	3
Shuguang 12AX7B	4	4	3
Sovtek 12AX7WA	5	2	2
Sovtek 12AX7WB	5	2	2
Sovtek 12AX7LPS	3	4	5
Svetlana 12AX7	5	5	4
Tung-Sol 12AX7	5	4	5
Ei 12AX7 / ECC83	2 and 4	5	5
JAN-Philips 12AX7WA	4	4	5
JAN-Philips 5751	4	5	4
Sovtek 5751	2	5	4