What is the difference between ECC82 and 12AU7?
ECC82 is the European numbering for the 12AU7 tube. ECC82 and 12AU7 are the same tubes. 12AU7 was very popular, and many variations were produced. We stock these 12AU7 variants for those who are looking to try something different in place of 12AU7 tubes.
What is an ECC82 tube?
More Details They are found less often in instrument tube amps but Ampeg is one manufacturer who has used them for years as drivers for their SVT bass guitar amps . Other common names for this tube are ECC82 and ECC802 and the European special-quality E82CC and E182CC .
What is the difference between ECC82 and Tung-Sol preamp tubes?
The counterpart to the European ECC82 preamp tube, the Tung-Sol 12AU7, can be utilized in any ECC82 or 12AU7 circuit. Famed for their consummate acoustics, Tung-Sol tubes are made by adhering to rigorous quality control standards and are committed to quality manufacturing.
What is the difference between a 12AU7 and a 5814A?
12AU7 was very popular and a number of variations were made. The 5814A is a military/industrial grade 12AU7 with low noise and high reliability spec. 5963 is a 12AU7 with special long life cathode meant for use in vacuum tube computers. ECC82 is the european numbering for 12AU7.
Is ECC82 the same as 12AU7?
The 12AU7 name is its American or “common” name while the ECC82 title is its European name and Mullard Phillips tube designation. There is no difference between the components of the two tubes and they are interchangeable.
Are 12AX7 and 12AU7 interchangeable?
Are 12AX7 and 12AU7 Interchangeable? Important: Always check your amps circuit/manual before swapping out a component to avoid damaging your amp. Technically, yes, you can physically interchange a 12AX7 tube for a 12AU7 tube in your amp without risk of major damage to your amp.
What is a 12AU7 tube used for?
The 12AU7 is a miniature medium-mu twin triode. This tube finds use as a phase-inverter/splitter in push-pull amplifier circuits in ac/dc radio equipment and in many diversified applications such as multivibrators or oscillators in industrial control devices.
What is the difference between 12AX7 and 12AT7?
Main Differences Between 12AX7 vs 12AT7 Tubes The main differences between 12AX7 vs 12AT7 are: The 12AX7 has a gain output of 100, whereas the 12AT7 has a gain output of 60. The 12AX7’s high gain can make it prone to clipping and distortion, whereas the 12AT7 can give you more headroom.
Which 12AX7 sounds best?
The best current production 12AX7 tubes for metal are: JJ ECC83S: If you like a darker rhythm sound, this tube can be great for that. They are more warm than bright and pretty aggressive. JJ ECC803S: This version that JJ has released is a more balanced sound.
Can I use 12AT7 instead of 12AU7?
The 12AX7, 12AT7, and 12AU7 all belong to the same family of nine contact, twin triode tubes. In many cases, these tubes are interchangeable and can easily be swapped.
Are ECC83 and 12AX7 the same?
The ECC83 Valve – also known as the 12AX7. The 12AX7 Valve (or 12AX7 vacuum Tube) is a small preamplifier valve which is identical to the ECC83 – same valve, just a different name. It has two identical triodes both of which have a high voltage gain. It is used in 99% of all guitar amplifiers.
Can I use 12AX7 instead of 12AT7?
The 12AX7 will give you a hotter signal into any stages that are cascaded to its output. If you have an amplifier designed to use them, then swapping to a 12AT7 will have an effect. You will still notice distortion, and the amp will still sound the same way, except you will have less gain on the same settings.
Can a 12AX7 be used as a power tube?
It’s a 12ax7, dual-triode, which can be used as a voltage amplifier, as in a pre-amp valve, or as a current amplifier, for in a power amp.
Do preamp tubes affect tone?
More to the point here, though, is the fact that the gain of the first preamp tube—often referred to as a “gain stage”—very directly impacts the tone that you achieve from the amp as a whole.
Do 12AX7 tubes need to be matched?
Preamp tubes are devices used in amplifiers to shape the tonal characteristics of a guitar’s sound….Why Preamp Tubes Don’t Need To Match.Tube TypeDo they need to match?12AX7No12AY7NoEF86NoEL34Yes1 more row
How often should you change tubes in amp?
You can expect a conventional amplifier tube to have a service life ranging up to 10,000 hours. Tubes with military specifications are built to last up to 100,000 hours.
Are ECC83 and 12AX7 the same?
The ECC83 Valve – also known as the 12AX7. The 12AX7 Valve (or 12AX7 vacuum Tube) is a small preamplifier valve which is identical to the ECC83 – same valve, just a different name. It has two identical triodes both of which have a high voltage gain. It is used in 99% of all guitar amplifiers.
Do 12AX7 tubes need to be matched?
Preamp tubes are devices used in amplifiers to shape the tonal characteristics of a guitar’s sound….Why Preamp Tubes Don’t Need To Match.Tube TypeDo they need to match?12AX7No12AY7NoEF86NoEL34Yes1 more row
Can I replace 12AX7 with 12AT7?
You can interchange a 12AX7 with 12AT7, 12AU7, 12AY7 or 5751 as they are all the same pin structure, however they will each give you a different result in your amp. Each of these tubes has a different gain factor, which means some will give higher gain and others lower gain.
Are 12AX7 and 12AX7A interchangeable?
no difference anyways. Correct. The 5751 has a lower mu than the 12AX7A so these are NOT equivalent. NEVER replace a 12AX7(A) and its’ equivalents numbers in a phono preamp unless you’re sure RIAA correction does not depend on its’ characteritic values.
What is the ECC82?
ECC82 is the European numbering for the 12AU7 tube. ECC82 and 12AU7 are the same tubes. 12AU7 was very popular, and many variations were produced. We stock these 12AU7 variants for those who are looking to try something different in place of 12AU7 tubes.
What is 5963 cathode?
5963 is a 12AU7 with long-life cathode meant for use in vacuum tube computers.
What is 5814A tube?
The 5814A tube is a military and industrial grade 12AU7 with low noise and high -reliability spec. The 5814A tubes were used in communications equipment, and are designed for long life and low microphonics.
The Best 12au7 tubes
Which 12au7/5814 tube won the right to be called the best and the worst?
CBS-Hytron 5814A – Engineering Samples
Once in a while, while going through a new shipment of tubes, I find some true treasures. This time it was an incredible find, the legendary CBS-Hytron 5814 tubes, but not just that, they were engineering samples from CBS-Hytron.
Favorite Tubes 12au7
Hi there, I’ve now listened and analyzed countless 12au7’s (and it’s equivalents) and thought I’d give my opinion on my current favorites.
What is a 12AU7 tube?
The 12AU7 (Fig 1) is a preamp tube that’s part of the same class that includes the 12AX7 and the 12AT7. Of these three, the 12AU7 provides the least amount of gain. Because of this it is rarely used in guitar preamps and is much more commonly found in the reverb section of the amplifier. An advantage of the lower gain is an increase in headroom, leading to less distortion and making the 12AU7 an excellent tube for amplifying a headphone amp or other hi-fi audio equipment.
How Long Do 12AU7 Tubes Last?
Some manufacturers claim their 12AU7 tubes have a life expectancy of more than ten thousand hours.
Is the 12AU7 the same as the ECC82?
If you find yourself in the market for a 12AU7, you will quickly discover the ECC82 tube (Fig 2), and this discovery can lead to some confusion. The confusion can stem from the fact that the 12AU7 and the ECC82 are the same tube with different names. The 12AU7 name is its American or “common” name while the ECC82 title is its European name and Mullard Phillips tube designation. There is no difference between the components of the two tubes and they are interchangeable.
What is a 12AU7?
A medium-gain dual/single triode with the lowest gain factor amongst all commonly used preamplifier tubes, the 12AU7 has several names for identical variants. 12AU7 is used for this lowest medium-gain preamp tube in the US with its European variant known as ECC82. The 12AU7 continues to be a preamp vacuum tube available in a wide range of options in the market.
What is the 12AU7 tube?
If you want your guitar amp to perform beyond your expectations, then you don’t need to look beyond Electro-Harmonix 12AU7. This top-quality 12AU7 EH vacuum tube from Electro-Harmonix carries on the legacy of vintage tone, analog sound, and soulful harmonics. In addition, the EH 12AU7 vacuum tube comes across as an advanced medium-Mu twin triode ideal for using in speaker driver- and preamps circuitries.
What is the lowest gain tube?
Of all the tubes you’ll find in the market, the 12AU7 has the lowest amplification factor (20) hence the lowest gain (approximately 17). Owing to its extremely low-gain factor, the 12AU7 finds more extensive application as a driver for the Micro Tube Spring Reverb (a transformerless standalone unit for heightening spacious boom to line-level signals) and less as a bass preamp. However, the 12AU7 is frequently used in the guitar amp’s phase inverter position owing to its excellent acoustic fidelity.
What is a 12AU7 gold pin?
Consequently, the gold-pin ECC82/12AU7 tube reproduces balanced acoustics across the entire frequency response scale with dynamic sound and low microphones. Additionally, the extensive plate coupled with the hum-canceling spirally wounded filament imparts to this tube extra drive so essential for extremely demanding auditory experiences. As a result, this JJ 12AU7 gold-pin tube effortlessly spans all realms regardless of whether it entails caressed audiophile listening or the severity of musical instruments’ notes reproduction.
What is a 12AU7 preamp?
The JJ Electronics 12AU7 preamp vacuum tube is the North American counterpart of the versatile European ECC 82 preamp tube. Designed along the same lines as the iconic 12AX 7 JJ vacuum tube, the JJ 12AU7 is one of the most heavy-duty tubes you’ll come across. However, putting things in perspective, this 12AU7/ECC82 tube from JJ is a medium-gain dual-triode crafted with meticulous care for durability.
Where is the 12AU7 tube made?
The 12AU7 is a dual triode preamp tube manufactured in Russia guaranteed to sound excellent from the start, even before burn-in. So you can take it for granted that your amp will give off tauter bass, airier mids, cooler highs, and detailed treble with sparkling transparency.
Is the Tung-Sol 12AU7 a vacuum tube?
Modeled on an incredibly durable military-grade vacuum tube, the all-new reissue Tung-Sol 12AU7 comes with superior features for offering extraordinary audio output. Since it is a military-grade preamp tube, it can hold its own and remain intact even during a catastrophic nuclear explosion. This is a quality medium-Mu twin triode supremely compatible for setting up inside speaker driver and preamp circuits.
Do 5963 tubes work?
5963 tubes will work, however I do not care for the way they sound.
Does the RCA 5963 add sound?
I tried the RCA 5963 I have and it works with no sound quality change as it’s used on a Phono preamp as a “buffer tube” on a cathode follower configuration, so it really doesn’t add anything to the sound.
