2010年1月7日 · 7025 was the designation used for a heavy duty version of the 12AX7. Some people refer to this as "military grade" which is a misnomer -- because for the most part, the US military specified heavy duty tubes. Today, manufacturers are essentially using these three designations interchangeably.

GE 12ax7/7025 short plate tube in really nice condition (a 7025 is a premium select version of a 12ax7). Play tested in vintage Fender amp and sounds great with no noise.

Another common name for the 12AX7 tube is ECC83 and for premium versions, 7025 and ECC803. Today, a look at almost any guitar tube amp, be it Fender, Marshall, Vox, or any other, will prove the 12AX7 / ECC83 / 7025 tubes are here to stay. (View our complete selection of 12AX7 vacuum tubes) Review Notes - how we conducted the review.

The 7025 is the more dependable, ruggedized low noise hi-fi make of the 12AX7A. Well suited for any position, these tubes have a nice high end, not too treble-y but with just enough bite to get through the top end, warm & forgiving mids with open, airy and aloof low bass.

1960-1970's GE NOS 12AX7 tested and noise tested $149.99 per tube. Warm, punchy and clear and sound excellent when driven into distortion,,,excellent for guitar amps where low noise and low microphonics are required!

Offering this vintage GE 7025 preamp tube with 4th week of 1963 date code. Excellent working condition and cosmetically outstanding. Nice option for your prized 1960s Fender amplifier. No microphonics or undesirable noise.

3 天之前 · Nice NOS GE tube. Tests excellent. The 7025 is a premium 12AX7. I find that these 7025's are always very well balanced between the triode sections. Nice tube! No shorts/leakage/gas.

Another common name for the 12AX7 tube is ECC83 and for premium versions the 7025 and ECC803 audio tubes. Originally, the 12AX7 / ECC83 vacuum tube was introduced to be a superior option for lower noise and microphonics over the 6SL7 tube that was commonly used in …

The GE 12AX7A is a quality tube perfect for your application. Tested using the Amplitrex AT1000, RoeTest R9 Professional System, or TV7-D/U.

This listing is for a perfectly balanced, 1978 GE 7025/12ax7 branded for Fender with short plates and halo getter...It tested well in the NOS range, and in my Super Champ 'twas nothing short of super, and exhibited extremely low noise/microphonics...The GE 7025's never cease to amaze, always bold and solid, yet sweet and lovely, and this one ...