Home > 12AX7 / ECC83 Tube Types Reviewed
Reviews performed with a Mesa Boogie Mark IV thru 2x12 Celestion speakers with SED 6L6GC power tubes. Tubes were listened to with both clean tone and overdrive channels using a US made 1993 Fender Strat.
EH 12AX7 - The spiral wound filament makes this a very quiet tube, perfect for modern high-gain. Crispy highs and great frequency response throughout the spectrum. All around great choice for all styles of music.
Ei (Standard) - Great, warm tone. Headroom and action! These tubes are great for both guitar and hi-fi. Excellent response through all frequencies. Clarity and joy, especially if you order with the microphonics test, for all systems. Also, come in gold pin version.
Ei 12AX7EG - Coming Soon!
JJ / Tesla ECC83 - great for vintage amps and clean tone players. A flat response that doesn’t drastically affect any one frequency.
JJ / Tesla ECC803s ‘high gain’ - Hotter and fatter than the regular JJ, this tube gives more headroom once in the circuit. Creamy tones and great low end.
Sino 12AX7 - good tone at an affordable price.
Sovtek 12AX7 Versions
12AX7WA / 7025 - lower gain than other 12AX7s. Flat response and saturated overdrive.
Tung-Sol 12AX7 new production - Beefy, clean and quiet. clean mid and treble response with plenty of headroom. Lush overtones, especially when overdriven.
GE 12AX7 NOS - very quiet and tame medium gain tube. These were very well constructed back in the day and will provide hours and hours of vintage tone.
Sylvania 12AX7 NOS - Old-school warmth and tone with an affordable price...“Its like butta baby!”
RCA 12AX7 NOS - Great gain, perfect clarity and frequency response. Awesome! Our favorite American NOS 12AX7.
Telefunken Smooth Plate ECC83 - Premium quality performance in every way. Quiet tone exuberance for every setting. |
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