the really old garnets had 6an8's in the stinger.
everytime we repaired bto's or pro's in Gar's shop
we always put in 6an8. even in the newer amps.
warmer tones.
6jw8 tube?
12> a tube I've never heard of before. A 6jw8
Mundane little pentode-triode, general utility voltage amplification.
It is a late TV-era tube. Set makers wanted various combinations of tubes in one bottle to shave pennies out of the set cost. They also loved unique combinations when it meant they could lock-up the replacement market for that set.
How did it wind up in an instrument amp? When the tube-TV era ended, distributors were left sitting on crates of odd TV tubes they could never sell. 6AN8 always had a strong industrial market so they held that price on that, but things like 6JW8 were just a glut on the market. When they did get a customer looking for more than one pentode-triode, they offered a great price on 6JW8: not equivalent, but close enough for many chores. Any sharp guitar-amp designer could see the possibility, especially if it was several bucks cheaper and he was making more than a few amps.
However the 6JW8 pinout is NOT the same as the 6AN8 pinout. You have to change quite a few connections. Grids, cathodes, screen all moved. At $8 for NOS 6JW8, and probably no shortage, I'd stick with what works. NOS, even from the late TV era, is generally at least as good as modern production.
The pentode sure does look like the one in the 6AN8, except lower plate dissipation rating. It is a smooth sharp-cutoff, not remote-cutoff.
The triode is more like a 12AT7, Mu=60; the 6AN8's triode is a soft 12AU7 with Mu~20. In a voltage-amp, that gives less gain. As a cathode follower without a heavy load, the difference is small, though as mahuang says it may sound different when pushed to the limits.
A tube like this is often used, at least in hi-fi, as an output stage driver. Pentode gives high voltage gain. Triode makes a concertina phase-splitter. I could see it as a gain stage plus cathode follower to drive a Marshall-style tone stack. A vibrato system would also be easy. If the price were right, you could use it as a utility dual-triode. The triode-Mu of the pentode is not listed, but appears to be 40-50. Similar to 12AT7, but lower Rp and higher current ability.
And of course any tube can be a distortion circuit. I know nothing of this "Stinger" design. Steve's description makes sense, but I don't know if this is the 6AN8/6JW8 stage. This isn't a true remote-cutoff pentode, but as a distortion system it may be "remote enough" to do something interesting.
Mundane little pentode-triode, general utility voltage amplification.
It is a late TV-era tube. Set makers wanted various combinations of tubes in one bottle to shave pennies out of the set cost. They also loved unique combinations when it meant they could lock-up the replacement market for that set.
How did it wind up in an instrument amp? When the tube-TV era ended, distributors were left sitting on crates of odd TV tubes they could never sell. 6AN8 always had a strong industrial market so they held that price on that, but things like 6JW8 were just a glut on the market. When they did get a customer looking for more than one pentode-triode, they offered a great price on 6JW8: not equivalent, but close enough for many chores. Any sharp guitar-amp designer could see the possibility, especially if it was several bucks cheaper and he was making more than a few amps.
However the 6JW8 pinout is NOT the same as the 6AN8 pinout. You have to change quite a few connections. Grids, cathodes, screen all moved. At $8 for NOS 6JW8, and probably no shortage, I'd stick with what works. NOS, even from the late TV era, is generally at least as good as modern production.
The pentode sure does look like the one in the 6AN8, except lower plate dissipation rating. It is a smooth sharp-cutoff, not remote-cutoff.
The triode is more like a 12AT7, Mu=60; the 6AN8's triode is a soft 12AU7 with Mu~20. In a voltage-amp, that gives less gain. As a cathode follower without a heavy load, the difference is small, though as mahuang says it may sound different when pushed to the limits.
A tube like this is often used, at least in hi-fi, as an output stage driver. Pentode gives high voltage gain. Triode makes a concertina phase-splitter. I could see it as a gain stage plus cathode follower to drive a Marshall-style tone stack. A vibrato system would also be easy. If the price were right, you could use it as a utility dual-triode. The triode-Mu of the pentode is not listed, but appears to be 40-50. Similar to 12AT7, but lower Rp and higher current ability.
And of course any tube can be a distortion circuit. I know nothing of this "Stinger" design. Steve's description makes sense, but I don't know if this is the 6AN8/6JW8 stage. This isn't a true remote-cutoff pentode, but as a distortion system it may be "remote enough" to do something interesting.