Considered to be the best 12AX7 ever made in the US - these are the famous RCA 7025 that used to be in all of the great amps. We have a small stash of these rare NOS tubes available.

Jan 7, 2010 · 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.

Most of the lettering is gone, but is an authentic vintage RCA 7025 (Lowest Noise 12ax7) tube. These are chosen by many discriminating audiophiles and musicians, for their excellent sound quality, transparency, detail, openness, naturalness and musicality.

ULTRA-LOW-NOISE FREE NEW OLD STOCK! * The 12AX7A is the perfect fit for the Fender 5F6A, it is the original tube specified for the 5F6A. 12AX7A for the first tube, or if you want your HOLY-GRAIL of guitar amps to perform miracles with harmonics you never heard before out of it then splurge for item NOS RCA 7025 12AX7A PLATINUM MIC TUBE.

Get the best deals on Rca 7025 when you shop the largest online selection at eBay.com. Free shipping on many items | Browse your favorite brands | affordable prices.

Purchase Preferred Series 7025 preamp vacuum tubes in stock and ready to ship! Find reviews, data sheets and specs to upgrade your tube amplifier.

12AX7 Tube Reviews: See reviews of the best 12AX7 preamp tubes. Also known as a ECC83 and 7025.

12ax7 / ecc83 / 7025 RCA developed the 12AX7 tube in the 1940s for general purpose amplification. Today, 12AX7 is the most common preamp tube used in guitar and audio amp due to its high amplification factor (mu).

This is a very good 12AX7A / ECC83/7025 {BALDWIN/ECA} Vacuum Tube Tested Strong Gray PlateTube Halo Getter.

Oct 17, 2022 · Tight bottom end along with the sparkle, RCA 7025 are extremely dynamic sounding,,, these are some of the best input tubes for guitar amps available! NOS Short Grey plates in military boxes. $199.99 per tube. 7025=12ax7 special quality-low noise. All NOS tubes types for home audio and guitar amplifiers.