Are JJ power tubes any good?
Are JJ power tubes any good?
JJ tubes are now my go-to. They’re inexpensive and reliable. The tone is what I would call “neutral” – not too warm, not too bright, not to hot, not too mellow – tubes that do their job and don’t call attention to themselves. If you like your amp and your guitar, just put these in and play.
How long do JJ EL84 tubes last?
Now after about 20 minutes of playing, the volume drops down and the sound is dull. I can then play my Led Paul at the same volume as the Strat. I know from past experience that usually means that the power tube are wearing out. I estimate that I have somewhere between 100 to 120 hours on these tubes.
What tubes are compatible with EL84?
An interchangeable North American type is the 6BQ5 (the RETMA tube designation name for the EL84).
Are JJ tubes still being made?
They are based in Čadca, in the Kysuce region of Slovakia. Most of the products that JJ offers are audio receiving tubes. These vacuum tubes are mainly used for guitar and hi-fi amplifiers. In technical terms, JJ produces triodes, beam tetrodes and power pentodes….JJ Electronic.
| Type | Private company |
|---|---|
| Website | www.jj-electronic.com |
How long does a vacuum tube last?
Power tubes like EL34’s and KT88’s are good for about 2500 hours or more. But may go longer in an amplifier with a conservative design. Small signal tubes with numbers like 12AX7, 12AU7, and 6922, and rectifier tubes like 5AR4 may go 10,000 hours. So you get years and years of enjoyment.
How long do tubes last in years?
Tube Life Span Preamp Tubes are generally at their best 2 – 3 years. Power Tubes are generally at their best 1 – 1.5 years. Rectifier Tubes are generally at their best 3 – 5+ years.
Can you replace EL84 with 6L6?
Yes you can. The THD yellow jackets were designed specifically to do that going the other way. But it’s safer to go the other way with the bigger tubes. 6v6s are a bit interesting since they actually require less heater current then el84s.
Are JJ tubes made in Russia?
Since the western tube manufacturing giants, Philips, Mullard, Tung-Sol, RCA, Sylvania and others ceased their production decades ago, today we’re left with just a handful of manufacturers, based in Russia, China and JJ Tubes in the Slovak Republic – the tube industry ain’t what it used to be.
Who makes Tesla tubes?
Formed in 1994 with former TESLA equipment, Jan Jorgo started JJ manufacturing with just three tube types – EL84, EL34 and ECC83.
Are JJ tubes made in China?
They are based in Čadca, in the Kysuce region of Slovakia. Most of the products that JJ offers are audio receiving tubes.
What are disadvantages of vacuum tubes?
Vacuum Tubes: Disadvantages
- Bulky, hence less suitable for portable products.
- Higher operating voltages generally required.
- High power consumption; needs heater supply that generates waste heat and yields lower efficiency, notably for small-signal circuits.
- Glass tubes are fragile, compared to metal transistors.
How do you know when your power tubes need replacing?
A: These are the most common signs that tubes need replacement:
- Excessive noise (hiss, hum) including squealing or microphonic tubes.
- Loss of high end.
- A muddy bottom end; Sounds like there is too much bass and note clarity is lost.
- Erratic changes in the overall volume.
- The amp doesn’t work!
What is the difference between EL34 and EL84?
The EL34 is larger and it puts out two to three times the wattage as the EL84. More watts equals more volume, more headroom, and a better frequency response — even at low volumes. Lower bass frequencies require more power, and the higher wattage of the EL34 is better able to handle the full frequency spectrum.
What tubes do Orange amps use?
Times have moved on since the early OR series amplifiers with the modern equivalent, the Orange OR15 features EL84 power tubes.
Is the JJ EL84 a good tube?
The JJ Electronic EL84 is a solidly built EL84 / 6BQ5 with excellent tonal qualities. JJ’s rugged construction of this tube offers high reliability without any compromise to the sound. This tube has solid lows with warm bright mids and shimmery highs.
What is the best EL84 tube for bass?
The JJ Electronic EL84 is a solidly built EL84 / 6BQ5 with excellent tonal qualities. JJ’s rugged construction of this tube offers high reliability without any compromise to the sound.
What are the best EL84 tubes for distortion?
When pushed into distortion the Mullard EL84 tube has a softer, creamier overdrive that is more musical than other EL84 tubes and is the tube to pick if you want dirt. Electro Harmonix EL84-EH – For most applications this is a good bet. The sound of these tubes is very smooth when biased correctly. Tonally, it’s hard to go wrong.
Are these t-el84-jj-MP good for a Blues Junior?
Asked by Anonymous on May 31st, 2018. The Blues Junior comes stock with a pair of EL84’s and these would be an excellent choice for your amp. 1 answers Are these T-EL84-JJ-mp already burned in?
