6V6GT Beam Tetrode
A beam tetrode’s “beam confining electrode” (top left) is tied to the cathode and directs electron flow into a beam and onto the plate. The beam confining electrode is the tube’s fifth electrode. The heater wires are shoved up inside the cathode, which is placed inside Grid NO.
Subsequently, are 6L6 and 5881 tubes the same?
You can immediately notice that the 6L6 and 5881 are in the same family of valves. They are part of the general evolutionary process for this particular valve. So they are similar, but not identical tubes. In other words, there are no 6L6 tubes which are identical to the 5881 tube.
Also to know is, are 6V6 tubes good? This is generally a reliable tube. Although the tone is not really true to the 6V6 standard, it is still a good sounding tube. Its voice is a little stronger in the midrange with a little more aggressive overall voice. Power output is few watts lower than some others but the perceived volume is not radically different.
Considering this, can you swap 6V6 for 6L6?
Can I use a 6L6 instead of a 6v6? The general answer is no, for the most part, 6L6 and 6v6 tubes are not interchangeable as they don’t bias close enough. Amps are calibrated to use specific valves (6v6, 6L6, EL84, etc.) and are not always well suited to multiple valve usage without circuit modifications.
Can you swap EL84 for 6V6?
Yes, the socket change is a fairly major operation, but the 6V6s are pretty compatible with the EL84 voltage and output impedance.
How do you test a tube amp tube?
Put the tube into your guitar amplifier, tester, or other tube-using machine. Turn on the machine to activate the tubes, and look for an orange, red, or purple glow. If the heated filament inside the tube glows orange like a setting sun, it’s usually a sign that the tube is healthy.
How do you troubleshoot a tube amp?
How many watts is a 6V6 tube?
The data sheet information supplied by the tube manufacturers’ design centers, list the typical operation of an audio output stage for a single 6V6 as producing about 5 W of continuous power, and a push-pull pair about 14 W.
How much current does a 12AX7 draw?
| 12AX7 | |
|---|---|
| Typical class-A amplifier operation | |
| Amplification factor | 100 |
| Anode voltage | 250 V |
| Anode current | 1.2 mA |
What amps use 6V6 tubes?
Here are a few amps which use the 6V6 valve:
- Fender Deluxe Reverb.
- Fender 68 Custom DeLuxe reverb.
- Fender Champ.
- Marshall DSL15.
- Orange Rockverb 50.
- Laney Cub10.
What amps use EL34 tubes?
Common amps with EL34 tubes are:
- Marshall 1959 “Plexi”
- Marshall JCM 800.
- Orange Rockerverb.
- Hiwatt.
What amps use EL84 tubes?
EL84 tubes can be found on Vox AC30s and AC15s along with some smaller Marshall amps such as the DSL combo series. When pushed, EL84 amps can have plenty of bite, although some designs may feel a bit too harsh or stiff for certain players.
What are the symptoms of a bad output transformer in a tube amp?
Loose or dirty tube socket pins can cause all kinds of hard to diagnose intermittent problems including complete loss of signal, red plating due to loss of bias voltage, weird noises, static, crackle & pop, weakening or thinning of signal output, loss of tube heat, higher than normal plate voltage, zero voltage on the …
What is a 6V6 amp?
6V6 valves are synonymous with American amplifiers, with the likes of Fender, Tone King and Milkman using them in a variety of their small valve combos. Less powerful than their popular 6L6 counterparts, 6V6s lend themselves well to low-wattage amps and break up more easily at high volumes.