Preamp Tube Gain Factors And Substitution Chart
12AX7 Family Tube Substitution. The 12AX7 family of dual-de preamp tubes consists of the 12AX7, 5751, 12AT7, 12AY7, 12AV7 & 12AU7. These are all pin compatible with one another, the only differences being the gain factor of each tube. A common substitution is to replace a 12AX7 with a 5751 or a 12AY7 to tame a preamp that tends to overdrive ...
Tube gurus and experts
Unfortunately, it's a common misconception that 12AX7, 12AU7, 12AT7 are basically the same tube with differing levels of "gain." This misconception arises from the fact that they use the same basing. In fact, they differ from one another in some important ways. The AU7 has substantially lower plate resistance than the AX7, and will tend to …
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Preamp Tube FAQ: 12AX7, 12AT7, and 12AU7
In answer to our first Preamp Tube FAQ, we can say that the 12AX7 is, by far, the most common type of Preamp Tube used in guitar amplifiers. The 12AX7 has the highest gain value, and it is, therefore, the one most preamps are designed to use.
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Chubster Series. Two Channels with 40 watts of EL34 power, five 12AX7 preamp tubes, housed in a extra deep open-back enclosure and fitted with a Celestion 70/80 speaker. Rich and fat low end, and spongy sweet mids and highs for an overall pleasing tone. Like most Rivera amplifiers, features include two fully independent …
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12AX7 Compatible Tubes: Appropriate Substitutes
Improve your audio equipment with suitable 12AX7 compatible tubes. Our article explores performance differences and substitutes.
A brief history of 12ax7 tubes
A brief history of 12ax7 tubes. The 12ax7 tube is arguably the most popular audio vacuum tube that has ever been created. It's popularity is driven by use in many Hi-Fi tube amplifiers and especially guitar amplifiers, where it's pushed really hard and burns out fairly quickly. Introduced in May of 1947, the tube gained almost …
12AX7 vs 12AT7: Which Tube is Better?
This guide will thoroughly compare 12AX7 vs 12AT7 to help you decide which tube is going to make your guitar sound the best.
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Tone Is In The Details: The Best 12AX7 Datasheet
The 12AX7 is a miniature dual de vacuum tube that has been used in a variety of audio equipment since its introduction in the 1940s. This tube has become a staple in guitar amplifiers, hi-fi preamplifiers, and various other audio devices due to its high gain, low noise, and versatility. The 12AX7 datasheet provides detailed.
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How to Build a Tube Preamp with a 12AX7: Complete …
This preamp schematic utilizes a 12ax7 vacuum tube, which is a high-gain dual de tube, to amplify the signal and provide the desired tone. The 12ax7 tube preamp schematic consists of various components such as resistors, capacitors, inductors, and tubes. Each component plays a crucial role in shaping the sound and amplifying the signal.
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The Chinese 8 and 9 generation 12ax7 and JJ 12ax7's ( which are darker) will hold up better in the cathode follower and phase inverter section of the circuit due to the higher voltages being applied to the plates of the tubes.
12 Best 12AX7 Tubes in 2024 (with Videos)
In this article, we share the best 12AX7 tubes at each price point. We also give some additional tips about what to look for in order to choose the right product for you.
12AX7, Tube 12AX7; Röhre 12AX7 ID3730, Double de
Tube 12AX7 or Röhre 12AX7 ID3730, Double de, Noval, 9 pin miniature (USA pico-9) B9A and Audio Frequency shown. Radio tubes are valves.
ECC83 Vs 12AX7: Comparing Iconic Vacuum …
Discover the similarities and differences between ECC83 and 12AX7 tubes. Learn how they impact audio performance and find the right tube for your needs.
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12AX7 Substitution
12AX7 Substitution. TL;DR Yes, you can swap a 12AX7 with 12AT7, 12AU7, 12AY7, or 5751 tubes. They give you more headroom (i.e. distorts less), and the tone will be different. 12AT7, 12AU7, 12AY7, and 5751 tubes are related to 12AX7. These tubes were designed for different purposes than 12AX7, but they share the same pinout and filament voltage.
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12AX7 @ The Valve Museum
The 12AX7 is a high impedance amplifier de and equivalent to the Mullard ECC83 where full details can be found. Colomor imported and distributed foreign valves. The anodes are folded and stitch on one side. This flange provides additional heat sinking and a point to attach the support. The central column is a support for the getter holder.
12AX7 footprint & symbol by Tronal | SnapMagic Search
Download schematic symbols, PCB footprints, 3D Models, pinout & datasheet for the 12AX7 by Tronal. TUNGSOL 12AX7 NEW PRD PREAMP TB. Exports to OrCAD, Allegro, Altium, PADS, Eagle, KiCad, Diptrace & Pulsonix.
12Ax7A vs. 12Ax7
Comparison between 12Ax7A vs 12Ax7 including their specifications, key differences and find out which tube amp is the best for you!
Psvane 12AX7 questions
Hey boys and ! I have a question regarding Psvane 12AX7's.. Are their "Art Series" much better than their standard 12AX7? Are they worth the 3x greater cost? Also wondering what you-all who have tried them, think of the Electro-Harmonix 7025… Good, bad or..? Asking 'cause I recently...
6N2P-EV vs 12AX7
Can someone speak to similarities and differences between 6N2P-EV and 12ax7, given that: Both are wired for their correct pin out @6.3V in the same circuit and the power transformer has adequate current for either. (I believe 6N2P requires 40ma or so of additional current over a 12ax7) Some...
12AX7 Comparison of Current Made Tubes
A Comparison of Current Production 12AX7 Tubes. RCA and Sylvania first introduced the 12AX7 to the world in the late 1940s. Today, it is by far the most common preamp tube used for electric guitar amplification and there is an almost overwhelming supply of current production options to choose from. The purpose of this comparison is simply to ...
TubeDepot.com | 12AX7A / ECC83 RCA
These desirable 12AX7 are arguably the best sounding US made tubes available. If you are looking for the best tone for your gear, then the RCA 12AX7 is the tube to get. These are getting extremely hard to find. Our stock is guaranteed NOS - never used and in …
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