12AX7 / 7025 Tube Reviews Chart - www.thetubestore.com

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**12AX7 comparison at a glance**
Rated 0 - 5 where 0 is Unacceptable and 5 is Excellent
Grey rows represent discontinued and unavailable tubes.
Manufacturer	Model	Microphonics	Noise(Hiss, Pop, Hum)	Musical Detail and Dynamics
Electro-Harmonix	12AX7	5	3	4
Gold Lion	ECC83 / B759	4	5	5
JAN-GE	12AX7WA	4	5	5
JAN-GE	5751	5	5	4
JJ Electronic	12AX7 / ECC83-S	3	4	4
JJ Electronic	ECC803-S	4	4	4
JJ Electronic	ECC83-MG	4	5	4
JJ Electronic	5751	5	5	3
Mullard Reissue	12AX7	5	5	4
Mullard Reissue	CV4004 / 12AX7	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	12AX7-WA	5	2	2
Sovtek	12AX7-WB	5	2	2
Sovtek	12AX7-LPS	3	4	5
Sovtek	5751	2	5	4
Svetlana	12AX7	5	5	4
Tung-Sol	12AX7	5	4	5
Ei	12AX7 / ECC83	2 and 4	5	5
JAN-Philips	12AX7-WA	4	4	5
JAN-Philips	5751	4	5	4

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