12AX7 (also known as ECC83) is a miniature dual-triode 6AV6 vacuum tube with high voltage gain. Developed around 1946 by RCA engineers in Camden, New...

manufactured in USSR, Russia and China with characteristics similar to the 12AX7. The most significant difference between the two is that 6N2P has its two...

Sylvania supply was exhausted (per James Brown, "Tone-Talk", Ep. 17), and five 12AX7 Tubes in the preamplifier staging (with one as a phase inverter). A defining...

amps; the Slant 6V, which offers 6L6 or 6V6 power tube options also has 12AX7 and 12AT7 tubes, was praised as "an amazingly useful and versatile amp"...

very commonly used low-mu 12AU7 and high-mu 12AX7. The 12AT7 has somewhat lower voltage gain than the 12AX7, but higher transconductance and plate current...

but the 1958 model 5F1 featured an 8". The 5E1 and 5F1 circuits used a 12AX7 dual triode in the preamplifier to provide two stages of voltage amplification...

10-watt amplifier utilising a 6AV6 (from 1956 a 6AT6) preamplifier tube, 12AX7 phase inverter tube, a pair of 6V6GT power amplifier tubes, and one 5Y3GT...

two triode tubes while taking up half as much space and costing less. The 12AX7 is a dual "high mu" (high voltage gain) triode in a miniature enclosure...

or 50 Watt (2x7591), tube rectified, EF86-12AX7 cathode follower. Employs an EF86 preamp tube feeding a 12AX7 phase inverter. Released January 2008 SoHo...

Two 12AX7 preamp tubes and one 12AX7 phase inverter. Rocket; four EL84 output tubes and a 5AR4 rectifier tube. Two 12AX7 preamp tubes and one 12AX7 phase...

sections in one envelope are used, usually the noval types 12AT7, 12AU7, or 12AX7 or equivalents, less usually the octal 6SN7. The earliest mass usage of...

circuitry of the Fender Bassman but had an all-aluminum chassis, and a 12AX7 valve as the first in the chain (while the Bassman had a 12AY7). In addition...

fetron in place of the input stage 12AX7 (V1), and included a switch for configuring the amp for either Fetron or 12AX7 operation. The reason for using a...

Blues with one fifteen-inch speaker or two ten-inch speakers. They use 12AX7 preamp tubes, EL84 power tubes, and have spring reverb tanks. From 1994...

amplifiers. The 5751 is a modified version of the 12AX7 and, having a gain factor of 70-80 (as opposed to the 12AX7's 100), is used to "soften up a harsh modern...

two 12AX7 preamp tubes and a 12AU7 dual triode as its power section, and the 50W Night Train 50 (NT50H) in 2011, a two channel head with four 12AX7 preamp...

cardioid polar pattern, dating from 1997. Use of a vacuum tube, (an ECC83 / 12AX7), for which spares are readily available, resulted in low-level distortion...

original first-generation AC30 used a GZ34 tube rectifier, three ECC83s (12AX7) for the Normal channel and the tremolo/vibrato oscillator/modulator circuits...

often used in guitar amplification and include versions of the popular 12AX7, EL84, EL34, and 6L6 vacuum tubes. Many of the vacuum-tube amplifiers in...

however, the ECC82 is only specified as an audio frequency device. ECC83/12AX7 (6057, M8137, B339) – High-mu dual triode for use as a high-gain AF amplifier...

rectifier, 2 6V6-GT power tubes operating in push-pull mode, and a 12AY7 and a 12AX7 in the preamp. The output is rated at about 15 watts. The Tweed Deluxe originally...

continued to be manufactured in Russia, Slovakia (JJ Electronic), and China. 12AX7 - includes a comparison of similar twin-triode designs 12AT7 "www.thetubestore...

depicted above. The typical flashed getter used in small vacuum tubes (seen in 12AX7 tube, top) consists of a ring-shaped structure made from a long strip of...

of the 6L6GC type. They use six preamp tubes, consisting of four 7025/12AX7 types and two 12AT7 types. All Twin Reverbs feature a solid-state rectifier...

distortion pedal. Such effects units can use a preamp valve such as the 12AX7 in a power-valve circuit configuration (as in the Stephenson's Stage Hog)...

cathode bias design, and a cathodyne phase inverter, using half of the 12AX7 tube and allowing a third gain stage on the other half. The first 4x10 Bassman...

A Virtual Valve Amplifier (VVA) is software algorithm designed and sold by Diamond Cut Productions, Inc. for simulating the sound of various valve amplifier...

is known as the '68 Custom Princeton Reverb. Preamp tubes: one 7025, two 12AX7, one 12AT7 Output tubes: two 6V6GT, fixed-bias Rectifier: 5AR4 (blackface...

triodes are similar to 12AX7 and one of them is similar to 5751. 6C10 high-mu triple triode, all three being similar to 12AX7, used for audio amplifiers...

amplifier is typical of its day, with a 5Y3 rectifier tube, one 12AX7 preamp tube, one 12AX7 for phase inversion, a 6SN7 additional gain stage, four 6V6 power...